Nadia Petrova
Encyclopedia
Nadezhda Viktorovna Petrova is a Russian
Russians
The Russian people are an East Slavic ethnic group native to Russia, speaking the Russian language and primarily living in Russia and neighboring countries....

 professional tennis player.

Overall, she has won 28 WTA Titles, ten in singles and eighteen in doubles. In singles, Petrova has reached a career high ranking of World No. 3 in May 2006 and has reached the semi-finals of the French Open in 2003 and 2005. In doubles, she won the year-ending Sony Ericsson Championships in 2004 with Meghann Shaughnessy
Meghann Shaughnessy
Meghann Shaughnessy is an American professional tennis player. She achieved a career-high singles ranking of #11 in 2001, and has won six WTA Tour singles titles...

. , Petrova is ranked World No. 33 in singles and World No. 13 in doubles.

Early life

Petrova was born in Moscow. Her parents were both very athletic – her father Viktor was a leading hammer thrower, while her mother Nadezhda Ilyina
Nadezhda Ilyina
Nadezhda Ilyina is a Soviet athlete who competed mainly in the 400 metres.Ilyina trained at Dynamo in Moscow. She competed for Soviet Union in the 1976 Summer Olympics held in Montreal, Canada in the 4 x 400 metres where she won the bronze medal with her team mates Inta Kļimoviča, Lyudmila...

 won a bronze medal at the 1976 Montreal Olympics in the 400 meter relay. Both her parents are still athletics coaches. As a child, Nadia did a lot of travelling around the world with her parents. She eventually settled in Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

, where she trained with Mohammed Seif and her parents. Petrova states hard courts as her favourite surface, however, she has been most successful on clay courts. She is currently coached by Vladimir Platenik

Playing Style

Petrova is an all-court aggressive player who is capable of hitting winners off both wings, but particularly off her back-hand and which she is capable of hitting flat and with slice. Petrova's serve is considered her biggest asset. In 2009 she hit the second most aces on the tour with 306, just behind Serena Williams
Serena Williams
Serena Jameka Williams is an American professional tennis player and a former world no. 1. The Women's Tennis Association has ranked her world no. 1 in singles on five separate occasions. She became the world no. 1 for the first time on July 8, 2002 and regained this ranking for the fifth time on...

 and won over 72% of her service games. As an accomplished doubles player, Petrova's volleying skills are considered exceptional and she is not afraid to come into the net to finish off points. Petrova's main weakness is her movement around the court as she is often slow to retrieve balls and can sometimes struggle to defend well during rallies. Also, her forehand is sometimes erratic and can produce many unforced errors. Petrova states hard courts as her preferred surface, however, she has been most successful on clay courts where she can dictate play easier.

Early career

As a junior, Petrova won the 1998 French Open
1998 French Open
List of the 1998 French Open champions:-Men's singles: Carlos Moyá def. Àlex Corretja, 6–3, 7–5, 6–3*It was Moyá's 2nd title of the year, and his 5th overall. It was his 1st career Grand Slam title.-Women's singles:...

, beating Jelena Dokić
Jelena Dokic
Jelena Dokić is an Australian female professional tennis player.During the height of her career, she played for Serbia and Montenegro and reached a career-high ranking of World No. 4 on 19 August 2002. After several family-related difficulties , she slowly slipped down the rankings in 2006...

 in the final. The same year she finished runner-up at the Orange Bowl
Orange Bowl (tennis)
The Orange Bowl is an annual college football bowl game. Orange Bowl may also refer to:* Miami Orange Bowl, a demolished stadium formerly in Miami, Florida* One of two tennis tournaments, one for juniors and the other for youth...

 to Elena Dementieva
Elena Dementieva
Elena Viatcheslavovna Dementieva is a retired Russian professional tennis player. Dementieva is most notable for winning the singles gold medal at the 2008 Olympics in Beijing. She won 16 WTA singles titles and reached the finals of the 2004 French Open and 2004 US Open. Dementieva achieved a...

 and she also finished runner-up at the junior 1999 US Open to Lina Krasnoroutskaya
Lina Krasnoroutskaya
Lina Vladimirovna Krasnoroutskaya is a former Junior World Number 1 tennis player. In addition to gaining the coveted top spot, Lina won the US Open Junior title...

. In May 1998, she played her first WTA tournament at the J&S Cup as a wildcard entrant. She also received a wildcard for her home event in Moscow, the Kremlin Cup
Kremlin Cup
The Kremlin Cup is a professional tennis tournament played on indoor hard courts. It is currently part of the ATP World Tour 250 series of the ATP Tour and is a Premier Tournament on the WTA Tour...

, where she picked up her first top twenty win over Iva Majoli
Iva Majoli
Iva Majoli Marić is a former professional tennis player from Croatia. She upset Martina Hingis to win the women's singles title at the French Open in 1997. Majoli also won eight singles titles and one women's doubles title during her career.-Career:Majoli turned professional in 1991 at the age...

. By the end of 1999, Petrova had reached the top 100.

In 2000, she reached the third round of the Australian Open
2000 Australian Open
The 2000 Australian Open was a tennis tournament played on outdoor hard courts from 17 through to 30 January.-Singles players:Men's SinglesWomen's Singles-Former champions:...

 and the quarterfinals of the Ericsson Open, beating Julie Halard-Decugis
Julie Halard-Decugis
Julie Halard-Decugis is a former professional female tennis player.Halard-Decugis lived in La Baule, France during the initial stages of her career and later moved to Pully, Switzerland...

 for her first top ten win before losing to Lindsay Davenport
Lindsay Davenport
Lindsay Ann Davenport is a former World No. 1 American professional tennis player. She has won three Grand Slam singles tournaments and an Olympic gold medal in singles. In 2005, TENNIS Magazine ranked her as the 29th-best player of the preceding forty years...

. She finished the season at No. 50. She reached the fourth round of both French Open
2001 French Open
The 2001 French Open was the second Grand Slam event of 2001 and the 100th edition of the French Open. It took place at the Stade Roland Garros in Paris, France, from late May through early June, 2001.-Men's Singles:...

 and the US Open in 2001 and her ranking hit a high of No. 38 during the season. However, her 2002 season was marred by injuries causing her ranking to drop out of the top 100.

2003–2004: First Grand Slam Semi-Final and Top 10 Ranking

At the 2003 Australian Open
2003 Australian Open
The 2003 Australian Open was a tennis tournament held in 2003. It was the first Grand Slam event of the 2003 ATP Tour and the 2003 WTA Tour. It was the 91st edition of the event.-Men's Singles: Andre Agassi def...

, Petrova defeated Gréta Arn
Gréta Arn
Gréta Arn is a professional tennis player from Hungary, and the current Hungarian No. 1. Arn turned professional in 1997....

 6–2, 6–1 and then defeated 21st seed Ai Sugiyama
Ai Sugiyama
is a retired Japanese professional tennis player. She reached No. 1 in women's doubles on the WTA Tour. Her career-high singles ranking was No. 8, achieved on February 9, 2004. She turned professional in 1992...

 6–4, 6–4 in the second round. Petrova then lost in three sets to World No. 15 Patty Schnyder
Patty Schnyder
Patty Schnyder is a retired Swiss professional tennis player. She played on the WTA tour from 1993 to 2011 and is a former World No. 7. She defeated several World No...

 6–2, 4–6, 6–3 in the third round.

Petrova was ranked World No. 76 going into the 2003 French Open
2003 French Open
The 2003 French Open was the second Grand Slam event of 2003 and the 102nd edition of the French Open. It took place at the Stade Roland Garros in Paris, France, from May 26 through June 8, 2003.-Men's singles:...

. In the first round she beat the three-time champion and World No. 12 Monica Seles
Monica Seles
Monica Seles is a former world no. 1 professional tennis player and a member of the International Tennis Hall of Fame. She was born in Novi Sad, Serbia, former Yugoslavia to Hungarian parents. She became a naturalized United States citizen in 1994 and also received Hungarian citizenship in June 2007...

 6–4, 6–0. She then defeated Silvija Talaja
Silvija Talaja
Silvija Talaja is a former Croatian professional tennis player.Her most successful year was 2000, when she won two WTA tournaments and received career-high ranking of number 18...

 6–1, 6–1 and Marissa Irvin
Marissa Irvin
Marissa Irvin is an American former tennis player. She reached her highest singles ranking on August 12, 2002, when she became No. 51 in the world. Her best result at a Grand Slam was the third round of the French Open, which she achieved three straight years from 2003 to 2005...

 6–1, 6–1 to reach the fourth round. Here, Petrova stunned 7th seed Jennifer Capriati
Jennifer Capriati
Jennifer Marie Capriati is a former world number one ranked professional tennis player, and the winner of three women's singles championships in Grand Slam tournaments. Capriati made her professional debut in 1990 at the age of 14 when she reached the finals of the hard court tournament in Boca...

 6–3, 4–6, 6–3. In the quarter-finals, Petrova won again in three sets over 21st seed Vera Zvonareva
Vera Zvonareva
Vera Zvonareva is a professional tennis player from Russia. She was introduced to tennis at the age of six and turned professional in 2000. Her career high is World No. 2 by the WTA, and she is currently ranked as the World No. 7. Zvonarёva has won twelve WTA Tour singles titles and reached the...

 6–1, 4–6, 6–3 to reach her first ever Grand Slam Semi-Final. Petrova faced World No. 2 Kim Clijsters
Kim Clijsters
Kim Antonie Lode Clijsters is a Belgian professional tennis player. As of 7 November 2011, Clijsters is ranked No. 13 in singles. Clijsters is a former World No. 1 in both singles and doubles....

 and despite having a set point in the first set, Petrova was beaton in straight sets 7–5, 6–1. Despite this, Petrova's ranking increased to World No. 30.

Petrova reached the semi-finals of S'Hertogenbosch, defeating Elena Dementieva
Elena Dementieva
Elena Viatcheslavovna Dementieva is a retired Russian professional tennis player. Dementieva is most notable for winning the singles gold medal at the 2008 Olympics in Beijing. She won 16 WTA singles titles and reached the finals of the 2004 French Open and 2004 US Open. Dementieva achieved a...

 en-route but lost to World No. 3 Justine Henin in three sets. At the 2003 Wimbledon Championships
2003 Wimbledon Championships
List of the 2003 Wimbledon Champions:-Men's Singles: Roger Federer def. Mark Philippoussis, 7–6, 6–2, 7–6*It was Federer's 5th title of the year, and his 9th overall. It was his 1st career Grand Slam title. He became the first Swiss male player to win a Grand Slam singles...

, Petrova was seeded 29th and made it to the third round before losing to Venus Williams
Venus Williams
Venus Ebony Starr Williams is an American professional tennis player who is a former World No. 1 and is ranked World No. 101 as of 10 October 2011 in singles and World No. 20 in doubles as of 2011. She has been ranked World No. 1 in singles by the Women's Tennis Association on three separate...

 6–1, 6–2.

Petrova was seeded 19th at the 2003 US Open and defeated 14th seed Amanda Coetzer
Amanda Coetzer
Amanda Coetzer is a former professional tennis player from South Africa.Coetzer turned professional in 1988 and retired in 2004...

 6–0, 6–1 in the third round. In the fourth round, Petrova lost to 3rd seed Lindsay Davenport
Lindsay Davenport
Lindsay Ann Davenport is a former World No. 1 American professional tennis player. She has won three Grand Slam singles tournaments and an Olympic gold medal in singles. In 2005, TENNIS Magazine ranked her as the 29th-best player of the preceding forty years...

 6–0, 6–7(6), 6–2. Petrova continued her success by reaching the semi-finals of Zurich, beating World No. 8 and US Open finalist before losing to Henin 6–4, 6–4.

The following week in Linz, Petrova beat Paola Suárez
Paola Suárez
Paola Suárez was a top 10 tennis player in the early 2000s. She gained prominence in 2004 by reaching the finals of nine straight WTA doubles tournaments, and by reaching the singles semifinals of the French Open tournament, held in Paris."La Negra" Suárez began playing professional tennis at the...

 and Patty Schnyder
Patty Schnyder
Patty Schnyder is a retired Swiss professional tennis player. She played on the WTA tour from 1993 to 2011 and is a former World No. 7. She defeated several World No...

 to reach her first Sony Ericsson WTA Tour final. However she fell to Ai Sugiyama
Ai Sugiyama
is a retired Japanese professional tennis player. She reached No. 1 in women's doubles on the WTA Tour. Her career-high singles ranking was No. 8, achieved on February 9, 2004. She turned professional in 1992...

 7–5, 6–4.

Petrova ended 2003 ranked World No. 12 with a 45–23 singles record.

Petrova reached her second WTA final at Gold Coast, losing once again to Ai Sugiyama
Ai Sugiyama
is a retired Japanese professional tennis player. She reached No. 1 in women's doubles on the WTA Tour. Her career-high singles ranking was No. 8, achieved on February 9, 2004. She turned professional in 1992...

 1–6, 6–1, 6–4. She was upset in the first round of the Australian Open
2004 Australian Open
The 2004 Australian Open was a Grand Slam tournament held in Melbourne, Australia 19 January to 1 February, 2004.-Men's Singles: Roger Federer def. Marat Safin, 7–6, 6–4, 6–2...

 to Anikó Kapros
Aniko Kapros
Anikó Kapros is a former professional tennis player from Hungary. Kapros won the Junior's singles title at the Australian Open in 2000...

, losing 6–3, 6–3.

In March 2004, she hit the top ten at No. 9 after reaching the semifinals of the Tier 1 NASDAQ-100 Open in Miami. She reached the semifinals at the Bausch & Lomb Championships
Bausch & Lomb Championships
The MPS Group Championships was a women's tennis tournament held in Ponte Vedra Beach, Florida, United States. The Sony Ericsson WTA Tour event was an International series tournament played on outdoor green clay courts from 1980 to 2010.-History:...

, beating second-seeded Serena Williams before losing to Lindsay Davenport
Lindsay Davenport
Lindsay Ann Davenport is a former World No. 1 American professional tennis player. She has won three Grand Slam singles tournaments and an Olympic gold medal in singles. In 2005, TENNIS Magazine ranked her as the 29th-best player of the preceding forty years...

. After this, her ranking elevated to a career high of No. 7. However, she failed to defend her semifinal points from the 2003 French Open, losing to Marlene Weingärtner
Marlene Weingärtner
Marlene Weingärtner is a former German professional tennis player. Weingärtner retired in late 2005 after suffering several first round losses due to ongoing physical problems....

 in the third round 6–3, 6–2.

At the US Open, she pulled off the biggest win of her career by defeating World No. 1 and defending champion Justine Henin 6–3, 6–2 in the fourth round. It was Petrova's first victory over a world No. 1. She lost in the quarterfinals to eventual champion Svetlana Kuznetsova
Svetlana Kuznetsova
Svetlana Aleksandrovna Kuznetsova ; born June 27, 1985) is a Russian professional tennis player and as of October 10, 2011 ranked No. 21 in the WTA singles and No. 90 in the doubles ranking. Kuznetsova has appeared in four singles Grand Slam finals, winning two, and has also appeared in six doubles...

 7–6, 6–3.

Petrova reached the semi-finals of Linz, losing to Elena Bovina
Elena Bovina
Elena Olegovna Bovina is a Russian professional female tennis player. On April 4, 2005 Bovina reached her career-high singles ranking: World No. 14....

 in three sets. She also reached the semi-finals of Philadelphia, losing to Vera Zvonareva
Vera Zvonareva
Vera Zvonareva is a professional tennis player from Russia. She was introduced to tennis at the age of six and turned professional in 2000. Her career high is World No. 2 by the WTA, and she is currently ranked as the World No. 7. Zvonarёva has won twelve WTA Tour singles titles and reached the...

.

Petrova finished the year ranked World No. 12 with a 40–25 singles record.

2005: First Career Title and Top 10 Finish

Petrova reached the fourth round of the Australian Open
2005 Australian Open
The 2005 Australian Open was a Grand Slam tennis tournament held in Melbourne, Australia from 17 until 30 January 2005.-Men's Singles: Marat Safin def. Lleyton Hewitt, 1–6, 6–3, 6–4, 6–4...

, losing to the eventual champion Serena Williams
Serena Williams
Serena Jameka Williams is an American professional tennis player and a former world no. 1. The Women's Tennis Association has ranked her world no. 1 in singles on five separate occasions. She became the world no. 1 for the first time on July 8, 2002 and regained this ranking for the fifth time on...

, 6–1, 3–6, 6–3. She reached her third career final at the Qatar Total German Open in May, beating Mary Pierce
Mary Pierce
Mary Pierce is a French-American tennis professional playing on the Women's Tennis Association tour. She is a citizen of France, Canada, and the United States but plays for France in team competitions and the Olympics.Pierce has won four Grand Slam titles, two in singles and two in doubles...

, Amélie Mauresmo
Amélie Mauresmo
Amélie Simone Mauresmo ; is a French former professional tennis player, and a former World No. 1. Mauresmo won two Grand Slam singles titles at the Australian Open and at Wimbledon....

 and Jelena Janković
Jelena Janković
Jelena Janković is a former world no. 1 professional tennis player from Serbia. She reached the final of the 2008 US Open and won the 2007 Wimbledon Mixed Doubles title. Janković is ranked world no...

, before losing to Justine Henin. Her ranking rose to No. 9, where she stayed for the next two years before dropping out in May 2007.

At the French Open
2005 French Open
The 2005 French Open was the 104th edition of the tournament. Rafael Nadal, seeded fourth in his first French Open, was a strong favorite after winning the Rome and Monte Carlo Masters, with Guillermo Coria, a 2004 finalist and runner-up in Monaco, calling Nadal the best clay-court player in the...

, Petrova reached her second Grand Slam Semi-Final but lost to Henin 6–2, 6–3, but her ranking rose one place to No. 8. A few weeks later at Wimbledon, she reached the quarterfinals before losing to Maria Sharapova
Maria Sharapova
Maria Yuryevna Sharapova ,. is a Russian professional tennis player and a former world no. 1. A US resident since 1994, Sharapova has won 24 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open...

 7–6, 6–3. After Wimbledon, she reached five straight quarterfinals at Los Angeles
JPMorgan Chase Open
The LA Women's Tennis Championships presented by Herbalife is a Premier-level tennis tournament on the WTA Tour held in Carson, California, a suburb of Los Angeles. The tournament is played on outdoor hard courts and is a part of the US Open Series....

, Toronto
Canada Masters
The Canada Masters , currently sponsored as the Rogers Cup, is an annual tennis tournament held in Canada. The men's competition is a Masters 1000 event on the Association of Tennis Professionals tour. The women's competition is a Premier 5 tournament on the Women's Tennis Association tour...

, the US Open, Luxembourg
Fortis Championships Luxembourg
The BGL Luxembourg Open is a tennis tournament held in Luxembourg City, Luxembourg. Held since 1991, the tournament was an exhibition event until 1995. After that, it became a WTA Tier III tournament, which it remained until 2004. In 2005, it was promoted to Tier II, marking the first such...

, and Filderstadt
Porsche Tennis Grand Prix
The Porsche Tennis Grand Prix is a tennis tournament held in Stuttgart, Germany . Held since 1978, the tournament is the oldest women's indoor tournament in Europe. Currently it is a Tier II tournament on the WTA Tour. The singles champion also receives a Porsche 911 Carrera sports car in addition...

.

Petrova finally won her first title at the Generali Ladies Linz
Generali Ladies Linz
The Generali Ladies Linz is a tennis tournament held in Linz, Austria. Held since 1987, this WTA Tour event is a Tier II-tournament and is played on indoor hardcourts...

 held in Linz
Linz
Linz is the third-largest city of Austria and capital of the state of Upper Austria . It is located in the north centre of Austria, approximately south of the Czech border, on both sides of the river Danube. The population of the city is , and that of the Greater Linz conurbation is about...

, Austria. She beat Patty Schnyder
Patty Schnyder
Patty Schnyder is a retired Swiss professional tennis player. She played on the WTA tour from 1993 to 2011 and is a former World No. 7. She defeated several World No...

 in the final.

Her successful season meant she qualified for the Sony Ericsson Championships
2005 WTA Tour Championships
The 2005 Sony Ericsson Championships were held at the Staples Center in Los Angeles, United States from 8 November to 13 November 2005.-Singles: Amélie Mauresmo def. Mary Pierce, 5–7, 7–6, 6–4-Doubles:...

 in Los Angeles. She ended 2005 ranked World No. 9, her first top ten finish.

2006: Top 3 Ranking

At the Australian Open
2006 Australian Open
The 2006 Australian Open was played between 16 and 29 January 2006.- Leadup :Several leading men's players declined to attend the Open due to injury, including Andre Agassi, Rafael Nadal and defending champion Marat Safin....

, Petrova was seeded 6th and defeated Sophie Ferguson
Sophie Ferguson
Sophie Ferguson is an Australian professional tennis player.Ferguson's best performance at a Grand Slam tournament was at the 2005 Australian Open, where she lost in the second round to Nadia Petrova, 4–6, 6–0, 6–1...

, Martina Müller, Maria Elena Camerin
Maria Elena Camerin
Maria Elena Camerin is a professional female tennis player from Italy.On 11 October 2004, Camerin reached her career-high singles ranking: World No...

 and Elena Vesnina
Elena Vesnina
Elena Sergeevna Vesnina is a professional female tennis player from Russia. Her career high rank was #22, achieved on 12 October 2009...

 on her way to her first quarterfinal at the Australian Open. She lost to fourth-seeded Maria Sharapova
Maria Sharapova
Maria Yuryevna Sharapova ,. is a Russian professional tennis player and a former world no. 1. A US resident since 1994, Sharapova has won 24 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open...

 7–6(4), 6–4 in the quarterfinals.

At the Qatar Total Open
Qatar Total Open
The Qatar Ladies Open , known as the Qatar Total Open for sponsorship reasons, is tennis tournament held in Doha, Qatar. Held since 2001, this WTA Tour event was a Tier I-tournament in 2008, and was played on outdoor hardcourts. Total S.A. was the main tournament sponsor...

 held in Doha
Doha
Doha is the capital city of the state of Qatar. Located on the Persian Gulf, it had a population of 998,651 in 2008, and is also one of the municipalities of Qatar...

, Petrova picked up her first title of the year and second overall by beating second-ranked and top-seeded Amélie Mauresmo
Amélie Mauresmo
Amélie Simone Mauresmo ; is a French former professional tennis player, and a former World No. 1. Mauresmo won two Grand Slam singles titles at the Australian Open and at Wimbledon....

 6–3, 7–5 in the final. The victory took her ranking to No. 7. She followed it with a quarterfinal showing at the NASDAQ-100 Open, losing to Mauresmo 6–3, 6–1.

Petrova then began her run that would take her to three titles, winning fifteen straight matches. At the Bausch & Lomb Championships
Bausch & Lomb Championships
The MPS Group Championships was a women's tennis tournament held in Ponte Vedra Beach, Florida, United States. The Sony Ericsson WTA Tour event was an International series tournament played on outdoor green clay courts from 1980 to 2010.-History:...

, she defeated Francesca Schiavone
Francesca Schiavone
Francesca Schiavone is an Italian tennis player who turned professional in 1998. She won the 2010 French Open singles title, becoming the first Italian woman to win a Grand Slam event in singles. She was also runner-up at the 2011 French Open. As of 24 October 2011, Schiavone's ranking is World...

 in the final to pick up her third title in the past six months. One week later, she won her second straight title and fourth overall at the Family Circle Cup
Family Circle Cup
The Family Circle Cup is a WTA Tour affiliated professional tennis tournament for women, held every year since 1973. The tournament is currently played on the green clay courts at the Daniel Island Tennis Center in Charleston, South Carolina, USA...

 with a victory over Patty Schnyder
Patty Schnyder
Patty Schnyder is a retired Swiss professional tennis player. She played on the WTA tour from 1993 to 2011 and is a former World No. 7. She defeated several World No...

.

She next entered the Qatar Telecom German Open
Qatar Telecom German Open
The German Open, sponsored from 2006 through 2008 as the Qatar Telecom German Open, was a WTA Tour affiliated professional tennis tournament for women played in Berlin, Germany. Held since 1896, it was one of the oldest tournaments for women...

 in Berlin, defeating Justine Henin. With this win, she ascended to her career high of No. 3.

However, Petrova was defeated in the first round of the French Open by Akiko Morigami
Akiko Morigami
Akiko Morigami is a Japanese female tennis player. She turned professional in 1998. On August 15, 2005, Morigami reached her career-high singles ranking: World No. 41....

 6–2, 6–2. This may have been caused by an ankle injury Petrova suffered during training before the tournament. She then withdrew from Wimbledon and did not win a match in the U.S. Open Series, going 0–3. At the US Open, Petrova was upset in the third round by Tatiana Golovin
Tatiana Golovin
Tatiana Golovin is an inactive French professional tennis player. She is best known for her explosive forehand, which was said to be one of the best at the time. She notably won the 2004 French Open mixed doubles event with Richard Gasquet, and reached the singles quarterfinal at the 2006 U.S....

.

At the Stuttgart
Porsche Tennis Grand Prix
The Porsche Tennis Grand Prix is a tennis tournament held in Stuttgart, Germany . Held since 1978, the tournament is the oldest women's indoor tournament in Europe. Currently it is a Tier II tournament on the WTA Tour. The singles champion also receives a Porsche 911 Carrera sports car in addition...

, Petrova won her first tournament title since the Tier I Qatar Telecom German Open in May 2006. She then continued her return to form by reaching the final of the Kremlin Cup
Kremlin Cup
The Kremlin Cup is a professional tennis tournament played on indoor hard courts. It is currently part of the ATP World Tour 250 series of the ATP Tour and is a Premier Tournament on the WTA Tour...

 in Moscow, losing to Russian Anna Chakvetadze
Anna Chakvetadze
Anna Djambulilovna Chakvetadze is a Russian professional tennis player . On September 10, 2007, she reached her career-high professional singles ranking of World No. 5. She has won eight WTA Singles Titles and appeared in the 2007 US Open semifinals. As of July 4, 2011, Chakvetadze is ranked World...

.

At the Sony Ericsson Championships
2006 WTA Tour Championships
The 2006 Sony Ericsson Championships were held at the Madrid Arena in Madrid, Spain.-Singles: Justine Henin def. Amélie Mauresmo, 6–4, 6–3-Doubles:...

 in Madrid
Madrid
Madrid is the capital and largest city of Spain. The population of the city is roughly 3.3 million and the entire population of the Madrid metropolitan area is calculated to be 6.271 million. It is the third largest city in the European Union, after London and Berlin, and its metropolitan...

 in November 2006. Her lone victory was over top-ranked Amélie Mauresmo
Amélie Mauresmo
Amélie Simone Mauresmo ; is a French former professional tennis player, and a former World No. 1. Mauresmo won two Grand Slam singles titles at the Australian Open and at Wimbledon....

 6–2, 6–2. She finished the year at No. 6.

2007

At the Australian Open
Australian Open
The Australian Open is the only Grand Slam tennis tournament held in the southern hemisphere. The tournament was held for the first time in 1905 and was last contested on grass in 1987. Since 1972 the Australian Open has been held in Melbourne, Victoria. In 1988, the tournament became a hard court...

, she reached the third round before falling to Serena Williams
Serena Williams
Serena Jameka Williams is an American professional tennis player and a former world no. 1. The Women's Tennis Association has ranked her world no. 1 in singles on five separate occasions. She became the world no. 1 for the first time on July 8, 2002 and regained this ranking for the fifth time on...

, the eventual champion, after holding a 5–3 second set lead.

At the Open Gaz de France
Open Gaz de France
Open GDF Suez, formerly Open Gaz de France, is a Premier level tennis tournament on the WTA Tour held in Paris, France. Held since 1993, the tournament is played on indoor hardcourts....

 in Paris, Petrova picked up her seventh tour title and first of the season by beating Lucie Šafářová
Lucie Šafárová
Lucie Šafářová is a professional Czech tennis player. She was born in Brno.Šafářová has won four WTA tour singles titles and reached the quarterfinals of the 2007 Australian Open, upsetting defending champion Amélie Mauresmo en-route...

. Petrova reached the quarterfinals of the Sony Ericsson Open in Key Biscayne, Florida
Key Biscayne, Florida
Key Biscayne is a village in Miami-Dade County, Florida, United States on the island of Key Biscayne. The population was 10,507 at the 2000 census. As of 2004, the population estimated by the U.S. Census Bureau is 10,324....

, losing to Justine Henin. Petrova then reached the final in Amelia Island
Bausch & Lomb Championships
The MPS Group Championships was a women's tennis tournament held in Ponte Vedra Beach, Florida, United States. The Sony Ericsson WTA Tour event was an International series tournament played on outdoor green clay courts from 1980 to 2010.-History:...

, losing to Tatiana Golovin
Tatiana Golovin
Tatiana Golovin is an inactive French professional tennis player. She is best known for her explosive forehand, which was said to be one of the best at the time. She notably won the 2004 French Open mixed doubles event with Richard Gasquet, and reached the singles quarterfinal at the 2006 U.S....

.

She was the eleventh-seeded player at the French Open
2007 French Open
The 2007 French Open was held in Paris, France from 27 May through to 10 June 2007. Followed two weeks later, as usual, by Wimbledon in London, United Kingdom. Rafael Nadal became the first man to win the tournament 3 times consecutively since Björn Borg, 1978–81; and maintained his unbeaten run...

 but lost to Květa Peschke
Kveta Peschke
Květoslava Peschke, also known as Květa Peschkeová is a professional female tennis player from the Czech Republic. She plays mostly on the baseline, with her best shot being the forehand. Her favourite surfaces are hard court and carpet...

 7–5, 5–7, 6–0. After the loss, she claimed that the low back pain had been bothering her. It was her second consecutive first round loss at the French Open because of injury.

At Wimbledon, Petrova lost to Ana Ivanović
Ana Ivanovic
Ana Ivanović is a former world no. 1 Serbian tennis player. As of November 7, 2011, she is ranked 22th on the WTA rankings. She beat Dinara Safina to win the 2008 French Open and was the runner-up in singles at the 2007 French Open and the 2008 Australian Open...

 6–1, 2–6, 6–4 in the fourth round.

In the 2007 Fed Cup
2007 Fed Cup
The 2007 Fed Cup is the 45th edition of the most important tournament between national teams in women's tennis. 74 nations participated in the tournament...

 tie against the USA
United States Fed Cup team
The United States Fed Cup team is the most successful national team in Fed Cup competition. The team has won 17 titles and finished second a further 9 times, out of 44 participations.-History:...

 on July 14/15, Petrova played a pivotal role in securing the victory for her team. While losing on the first day against Venus Williams
Venus Williams
Venus Ebony Starr Williams is an American professional tennis player who is a former World No. 1 and is ranked World No. 101 as of 10 October 2011 in singles and World No. 20 in doubles as of 2011. She has been ranked World No. 1 in singles by the Women's Tennis Association on three separate...

, she won her singles match against Meilen Tu
Meilen Tu
Meilen Tu is a former American professional female tennis player...

 on the second day and then teamed with Elena Vesnina
Elena Vesnina
Elena Sergeevna Vesnina is a professional female tennis player from Russia. Her career high rank was #22, achieved on 12 October 2009...

 to beat Williams and Lisa Raymond
Lisa Raymond
Lisa Raymond is an American professional tennis player who has achieved notable success in doubles tennis. On June 12, 2000, she reached the world number one ranking in doubles...

 in the decisive doubles rubber.

At the JPMorgan Chase Open
JPMorgan Chase Open
The LA Women's Tennis Championships presented by Herbalife is a Premier-level tennis tournament on the WTA Tour held in Carson, California, a suburb of Los Angeles. The tournament is played on outdoor hard courts and is a part of the US Open Series....

, Petrova reached her third final of the year, losing to Ana Ivanović
Ana Ivanovic
Ana Ivanović is a former world no. 1 Serbian tennis player. As of November 7, 2011, she is ranked 22th on the WTA rankings. She beat Dinara Safina to win the 2008 French Open and was the runner-up in singles at the 2007 French Open and the 2008 Australian Open...

 in straight sets.

At the US Open
U.S. Open (tennis)
The US Open, formally the United States Open Tennis Championships, is a hardcourt tennis tournament which is the modern iteration of one of the oldest tennis championships in the world, the U.S. National Championship, which for men's singles was first contested in 1881...

, Petrova was seeded seventh but lost to Ágnes Szávay
Ágnes Szávay
Ágnes Szávay is a professional tennis player from Hungary. She is the country's highest ranked tennis player. She was the WTA Newcomer of the Year in 2007. She achieved her career high ranking of World No. 13 on April 14, 2008.- Background :...

 6–4, 6–4. The loss meant that she had not gone past the fourth round of any Grand Slam tournament all year, the first time since 2002.

She finished 2007 ranked No. 14, her lowest year-end ranking in five years.

2008

Petrova started her 2008 season on a two-match losing streak going into the Australian Open
Australian Open
The Australian Open is the only Grand Slam tennis tournament held in the southern hemisphere. The tournament was held for the first time in 1905 and was last contested on grass in 1987. Since 1972 the Australian Open has been held in Melbourne, Victoria. In 1988, the tournament became a hard court...

, losing in the first round in Gold Coast as the number 2 seed to Tathiana Garbin
Tathiana Garbin
Tathiana Garbin is an Italian tennis player. As of 17 May 2010, she is ranked World No. 56 in singles and No. 38 in doubles. Garbin is probably best known for her shocking defeat of the defending champion and the reigning World No. 1 Justine Henin in the second round of the 2004 French Open...

 5–7, 7–5, 6–3 and in Sydney 7–5, 6–3 to Sybille Bammer
Sybille Bammer
Sybille Bammer is a former professional female tennis player from Austria. Her career high ranking is No. 19, achieved on 17 December 2007....

. She still managed to reach the fourth round of the Australian Open though as the 14th seed with wins over Nicole Pratt
Nicole Pratt
Nicole Pratt is a retired professional female tennis player from Australia.She is the middle sibling of five children of cane farmers and was taught to play by her father, George, who was a top junior player. She attended school in Calen and received a tennis scholarship to the Australian...

, Anne Kremer
Anne Kremer
Anne Kremer is a professional female tennis player from Luxembourg. Her highest WTA Ranking has been World No...

 and Ekaterina Makarova
Ekaterina Makarova
Ekaterina Valeryevna Makarova is a professional Russian tennis player. She achieved her career high ranking of number 29 on June 6, 2011.-Career:...

 all in straight sets.. There she played Agnieszka Radwańska
Agnieszka Radwanska
Agnieszka Radwańska is a WTA Tour Polish tennis player.Her career high singles ranking is World No. 8, which she achieved on 22 February 2010. As of 24 October 2011, she is ranked World No. 8. In 2007, Radwańska became the first Polish player in history to claim a WTA Tour singles title when she...

 of Poland, who beat her 1–6, 7–5, 6–0. Petrova held a 6–1, 3–0 lead and looked on form for an easy victory. In the third set, she won just four points.

At the Open Gaz de France
Open Gaz de France
Open GDF Suez, formerly Open Gaz de France, is a Premier level tennis tournament on the WTA Tour held in Paris, France. Held since 1993, the tournament is played on indoor hardcourts....

 in Paris, Petrova was the defending champion and seeded 5th but lost in the first round to Kateryna Bondarenko
Kateryna Bondarenko
Kateryna Volodymyrivna Bondarenko is a professional female tennis player from Ukraine and a doubles champion at Australian Open 2008.The younger sister of professional tennis players Valeria and Alona Bondarenko, she was born in Kryvyi Rih, Ukraine, then part of the Soviet Union. She was...

 7–6(4), 3–6, 6–4. Petrova retired in her first–round match at the 2008 Qatar Total Open
2008 Qatar Total Open
The 2008 Qatar Ladies Open, known as the 2008 Qatar Total Open, for sponsorship reasons, was a tennis tournament played on outdoor hard courts. It was the 8th edition of the Qatar Total Open, and was part of the Tier I Series of the 2008 WTA Tour...

 against Anabel Medina Garrigues
Anabel Medina Garrigues
Ana Isabel Medina Garrigues , better known as Anabel Medina, is a Spanish female tennis player. She reached a career high WTA Tour ranking of No. 16 on 4 May 2009, and has won 11 singles titles and 14 doubles titles, including the 2008 French Open and 2009 French Open with Virginia Ruano Pascual...

 due to an upset stomach while trailing 2–6, 2–1. At Dubai
2008 Dubai Tennis Championships
The 2008 Barclays Dubai Tennis Championship was a tennis tournament played on outdoor hard courts. It was the 16th edition of the Dubai Tennis Championships, and was part of the International Series Gold of the 2008 ATP Tour, and of the Tier II Series of the 2008 WTA Tour...

, she lost 6–4, 6–4 to Katarina Srebotnik
Katarina Srebotnik
Katarina Srebotnik is a Slovenian professional tennis player. Srebotnik is right-handed, 1.80 m, weighs 65 kg and lives in Dubai. She reached a career-high ranking of No. 20 on the Sony Ericsson WTA Tour on August 7, 2006.Srebotnik won 4 singles titles on the WTA-tour and was a steady top 30...

.

Petrova's injuries continued to strike at her when she was forced to retire in the second round of Miami with a right quad strain while trailing 2–1 in the first set against Zheng Jie
Zheng Jie
Zheng Jie is a Chinese professional tennis player. Her career high ranking is World No. 15 which she achieved on May 18, 2009. As of August 15, 2011, Zheng is ranked World No. 65 in singles and World No. 20 in doubles....

.

At the 2008 German Open in Berlin, Petrova returned to action as the 16th seed and defeated Katarina Srebotnik
Katarina Srebotnik
Katarina Srebotnik is a Slovenian professional tennis player. Srebotnik is right-handed, 1.80 m, weighs 65 kg and lives in Dubai. She reached a career-high ranking of No. 20 on the Sony Ericsson WTA Tour on August 7, 2006.Srebotnik won 4 singles titles on the WTA-tour and was a steady top 30...

 7–6(5), 3–6, 7–6(2) in the first round before losing in the second round to Maria Kirilenko
Maria Kirilenko
Maria Yuryevna Kirilenko is a Russian professional tennis player. Kirilenko won her first WTA Tour title in 2005, defeating Anna-Lena Grönefeld in the China Open. Kirilenko reached no. 18, her career-high singles ranking, on the WTA tour in July 2008. She won the junior event at the 2002 Canadian...

 6–3, 6–3. Petrova was once again defeated by Kirilenko in the first round of Rome, but this time in three sets, 3–6, 7–5, 6–4. At her final warm-up tournament in Istanbul, Nadia was seeded third and got past Lilia Osterloh
Lilia Osterloh
Lilia Osterloh is a tennis player from the United States, who started a professional career in August 1997....

 6–1, 6–2 in the first round and Marta Domachowska
Marta Domachowska
Marta Domachowska is a Polish professional tennis player. She began playing at age 7. She reached the semi finals of Australian Open Junior Championships in 2003. Her racquet brand is Wilson. She speaks four languages: Polish, English, Spanish and Russian. Other than tennis, she enjoys sports such...

 6–2, 6–2 in the second round. She lost to Akgul Amanmuradova
Akgul Amanmuradova
Akgul Amanmuradova is a professional female tennis player from Uzbekistan.In 2005, she reached her first ever WTA singles final in Tashkent, the capital of her home country. In the final she lost to 16-year old Michaëlla Krajicek of the Netherlands...

 7–6(0), 1–6, 6–4 in the quarter-finals.

These losses put Petrova in poor stead going into the French Open
2009 French Open
The 2009 French Open was a tennis tournament played on outdoor clay courts. It was the 108th edition of the French Open, and the second Grand Slam event of the year...

. As the twenty-fifth seed, she beat Aravane Rezaï
Aravane Rezaï
Aravane Rezaï is an Iranian-French tennis player born in Saint-Étienne, France to Iranian parents. She is the current French No. 5 in women's tennis. Rezaï took up tennis after a childhood stint as her older brother's ball girl...

 and Alisa Kleybanova
Alisa Kleybanova
Alisa Mikhaelovna Kleybanova is a Russian professional tennis player. Her highest WTA world ranking to date is No. 20, achieved on February 21, 2010...

 in straight sets before being thrashed by Svetlana Kuznetsova
Svetlana Kuznetsova
Svetlana Aleksandrovna Kuznetsova ; born June 27, 1985) is a Russian professional tennis player and as of October 10, 2011 ranked No. 21 in the WTA singles and No. 90 in the doubles ranking. Kuznetsova has appeared in four singles Grand Slam finals, winning two, and has also appeared in six doubles...

 6–2, 6–1.

Petrova's grass season began at Eastbourne, where she reached her first final of the year showing good form. She was beaten in a close match by Pole Agnieszka Radwańska
Agnieszka Radwanska
Agnieszka Radwańska is a WTA Tour Polish tennis player.Her career high singles ranking is World No. 8, which she achieved on 22 February 2010. As of 24 October 2011, she is ranked World No. 8. In 2007, Radwańska became the first Polish player in history to claim a WTA Tour singles title when she...

 6–4, 6–7(11), 6–4.

At Wimbledon, Petrova was the number 21 seed and was on the right track after wins over Olga Govortsova
Olga Govortsova
Olga Govortsova is a professional Belarusian tennis player. As of May 10, 2010 her highest singles ranking on the WTA is World Number 35, which she achieved on June 23, 2008.-Career:...

 6–4, 6–4 and Mara Santangelo
Mara Santangelo
Mara Santangelo is a former professional female tennis player from Italy. She retired from the sport on 28 January 2011.-Tennis career:...

 6–4, 7–5. Petrova then pulled off an excellent win over the in-form teenager and 16th seed Victoria Azarenka
Victoria Azarenka
Victoria Azarenka is a Belarusian professional tennis player. Her career high and current ranking is world no. 3, which she first achieved on 12 September 2011. She became the highest-ranked Belarusian player ever, surpassing Natasha Zvereva by two spots....

 7–6(11), 7–6(4) in the third round. In the fourth round she faced unseeded Alla Kudrayatseva who just came off a win over 3rd seed Maria Sharapova; Petrova won 6–1, 6–4 to reach her second quarterfinal at Wimbledon. This was also the first time that Petrova had reached a Grand Slam quarterfinal since the 2006 Australian Open
2006 Australian Open
The 2006 Australian Open was played between 16 and 29 January 2006.- Leadup :Several leading men's players declined to attend the Open due to injury, including Andre Agassi, Rafael Nadal and defending champion Marat Safin....

. She lost a cracker two and a half hour marathon match against the fifth seed Elena Dementieva 6–1, 6–7(6), 6–3. Petrova rallied from 6–1, 5–2 down and saved match points throughout the second set but eventually lost the match in the third set. Her ranking improved to World No. 17 after the tournament.

Bouncing back from a first-round defeat at Stanford to Dominika Cibulková
Dominika Cibulková
Dominika Cibulková is a Slovak professional tennis player. She is also a former World Junior No. 3, achieving that ranking in May 2005. Her career-high ranking of World No. 12 was achieved on 6 July 2009...

, Petrova reached the quarterfinals at Los Angeles
2008 East West Bank Classic
The 2008 East West Bank Classic was a tennis tournament played on outdoor hard courts. It was the 35th edition of the East West Bank Classic, and was part of the Tier II Series of the 2008 WTA Tour. It took place at the Home Depot Center in Carson, near Los Angeles, California, United States, from...

, defeating 5th seed Vera Zvonareva
Vera Zvonareva
Vera Zvonareva is a professional tennis player from Russia. She was introduced to tennis at the age of six and turned professional in 2000. Her career high is World No. 2 by the WTA, and she is currently ranked as the World No. 7. Zvonarёva has won twelve WTA Tour singles titles and reached the...

 6–4, 7–5 en route before losing to Jelena Janković
Jelena Janković
Jelena Janković is a former world no. 1 professional tennis player from Serbia. She reached the final of the 2008 US Open and won the 2007 Wimbledon Mixed Doubles title. Janković is ranked world no...

 7–5, 6–4. At Montreal, she again suffered a surprise defeat to Cibulková in the third round, this time losing 7–6(2), 6–2.

Nadia then played in Cincinnati, as she did not gain entry into the Olympics because she was not in the top four ranked Russian players at the time. After easy wins over Galina Voskoboeva
Galina Voskoboeva
Galina Olegovna Voskoboeva is a professional Russian-born Kazakhstani tennis player. She reached her career-high singles rank of World No. 56 on October 10, 2011. Her career high in doubles is 31st, set at January 29, 2007.-Early life:...

, Julie Ditty
Julie Ditty
Julie Ditty is an American professional tennis player. Ditty did not have her true WTA breakthrough until 2007, when she reached the semifinals of the Bell Challenge, a result that took her into the top 100 for the first time in her career on November 5, 2007, at No. 91...

 and Lilia Osterloh
Lilia Osterloh
Lilia Osterloh is a tennis player from the United States, who started a professional career in August 1997....

, Petrova once again found herself up against Maria Kirilenko
Maria Kirilenko
Maria Yuryevna Kirilenko is a Russian professional tennis player. Kirilenko won her first WTA Tour title in 2005, defeating Anna-Lena Grönefeld in the China Open. Kirilenko reached no. 18, her career-high singles ranking, on the WTA tour in July 2008. She won the junior event at the 2002 Canadian...

 for a place in the final. This time though, Petrova was victorious, coming back from a set down to win 1–6, 6–2, 6–1. Petrova then thrashed Nathalie Dechy
Nathalie Dechy
Nathalie Dechy is a French former professional tour tennis player.Dechy is a three-time doubles Grand Slam champion, winning the 2006 US Open women's doubles title with Vera Zvonareva, the 2007 French Open mixed doubles title with Andy Ram, and the 2007 US Open women's doubles title with Dinara...

 6–2, 6–1 in the final to win her first title of the year and the eighth of her career.

Petrova was in good form heading into the final Grand Slam Tournament of the year at the US Open. Petrova was seeded 19th and beat Olivia Sanchez
Olivia Sanchez
Olivia Sanchez is a professional tennis player from France. She received a wildcard into the main draw of the 2007 French Open, but lost in 6–3, 4–6, 3–6, to Shenay Perry in the first round. As of June 9, 2008, Sanchez reached her highest singles ranking of World Number 90 on June 9, 2008, and is...

 6–2, 6–4 in the first round and Hsieh Su-wei
Hsieh Su-wei
Hsieh Su-wei is a Taiwanese professional female tennis player.  As of July 12, 2010 she is ranked 322nd in the WTA Tour singles rankings and is the fourth-highest ranked Taiwanese women's singles player. -2006–2007:...

 6–4, 6–2 in round two. Petrova was ousted 4–6, 6–4, 6–3 by the 16th seed Flavia Pennetta
Flavia Pennetta
Flavia Pennetta is an Italian professional tennis player. She became Italy's first top 10 female singles player on 17 August 2009 and also the first ever Italian Tennis player to be ranked No.1 in Doubles on 28 February 2011. As of 10 October 2011, Pennetta is ranked World No. 18 in singles and...

 in the third round.

Petrova bounced back to good form at the 2008 Commonwealth Bank Tennis Classic
2008 Commonwealth Bank Tennis Classic
The 2008 Commonwealth Bank Tennis Classic was a tennis tournament played on outdoor hard courts. It was the 14th edition of the Commonwealth Bank Tennis Classic, and was part of the Tier III Series of the 2008 WTA Tour. It took place at the Grand Hyatt Bali in Bali, Indonesia, from September 8...

. Seeded 4th, Nadia defeated fifth seed Francesca Schiavone
Francesca Schiavone
Francesca Schiavone is an Italian tennis player who turned professional in 1998. She won the 2010 French Open singles title, becoming the first Italian woman to win a Grand Slam event in singles. She was also runner-up at the 2011 French Open. As of 24 October 2011, Schiavone's ranking is World...

 6–4, 6–3 in the quarter-finals but she lost in the semi-finals to second seed and eventual champion Patty Schnyder
Patty Schnyder
Patty Schnyder is a retired Swiss professional tennis player. She played on the WTA tour from 1993 to 2011 and is a former World No. 7. She defeated several World No...

 7–5, 6–1.

At the 2008 Toray Pan Pacific Open
2008 Toray Pan Pacific Open
The 2008 Toray Pan Pacific Open was a tennis tournament played on outdoor hard courts. It was the 25th edition of the Toray Pan Pacific Open, and was part of the Tier I Series of the 2008 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan, from September 15 through September 21,...

, Petrova was unseeded but beat two top–ten players, Ana Ivanović
Ana Ivanovic
Ana Ivanović is a former world no. 1 Serbian tennis player. As of November 7, 2011, she is ranked 22th on the WTA rankings. She beat Dinara Safina to win the 2008 French Open and was the runner-up in singles at the 2007 French Open and the 2008 Australian Open...

, the second seed 6–1, 1–6, 6–2 in the second round and Agnieszka Radwańska
Agnieszka Radwanska
Agnieszka Radwańska is a WTA Tour Polish tennis player.Her career high singles ranking is World No. 8, which she achieved on 22 February 2010. As of 24 October 2011, she is ranked World No. 8. In 2007, Radwańska became the first Polish player in history to claim a WTA Tour singles title when she...

 6–3, 6–0 to reach the semifinals, where she lost 6–1, 6–0 to Dinara Safina
Dinara Safina
Dinara Mikhailovna Safina , born April 27, 1986 in Moscow, is a Russian professional tennis player of Tatar background. Safina's career high ranking is World No. 1....

, the eventual champion. At Stuttgart
2008 Porsche Tennis Grand Prix
The 2008 Porsche Tennis Grand Prix was a tennis tournament played on indoor hard courts. It was the 31st edition of the Porsche Tennis Grand Prix, and was part of the Tier II Series of the 2008 WTA Tour. It took place at the Porsche Arena in Stuttgart, Germany, from September 27 through October 5,...

, she reached her third final of the season, after an impressive run, beating Barbora Záhlavová-Strýcová, Patty Schnyder
Patty Schnyder
Patty Schnyder is a retired Swiss professional tennis player. She played on the WTA tour from 1993 to 2011 and is a former World No. 7. She defeated several World No...

, Li Na
Li Na (tennis)
Li Na , goes first before the equivalent of a first name in some other nations. Her name off court in China is Li Na. When listed on the , she is known as Na Li. However, in the match, the commentators call her Li Na, and when her full name is listed in text on court, it is also written as Li Na.;...

 and Victoria Azarenka
Victoria Azarenka
Victoria Azarenka is a Belarusian professional tennis player. Her career high and current ranking is world no. 3, which she first achieved on 12 September 2011. She became the highest-ranked Belarusian player ever, surpassing Natasha Zvereva by two spots....

 in straight sets but failed to win the title, this time losing to Jelena Janković, the World No. 2 6–4, 6–3. Despite not winning the title, Petrova's ranking moved back into the top 15 to World No. 14 as a result of reaching the final.

Petrova was a quarter-finalist at her home event, the 2008 Kremlin Cup
2008 Kremlin Cup
The 2008 Kremlin Cup was a tennis tournament played on indoor hard courts. It was the 19th edition of the Kremlin Cup, and was part of the International Series of the 2008 ATP Tour, and of the Tier I Series of the 2008 WTA Tour. It took place at the Olympic Stadium in Moscow, Russia, from October 6...

 in Moscow, beating teenager Caroline Wozniacki
Caroline Wozniacki
Caroline Wozniacki is a Danish professional tennis player. She is the current world no. 1 on the WTA Tour. As of 7 November 2011, she has held this position for 56 weeks...

 before losing to compatriot and third seed Elena Dementieva
Elena Dementieva
Elena Viatcheslavovna Dementieva is a retired Russian professional tennis player. Dementieva is most notable for winning the singles gold medal at the 2008 Olympics in Beijing. She won 16 WTA singles titles and reached the finals of the 2004 French Open and 2004 US Open. Dementieva achieved a...

 6–4, 4–6, 7–6(6). She was also a quarter–finalist at the Linz
2008 Generali Ladies Linz
The 2008 Generali Ladies Linz was a tennis tournament played on indoor hard courts. It was the 22nd edition of the Generali Ladies Linz, and was part of the Tier II Series of the 2008 WTA Tour. It took place in Linz, Austria, from October 20 through October 26, 2008.-Singles: Ana Ivanović def...

, losing 6–3, 6–2 to Radwańska.

At her final tournament of the season in Quebec City
2008 Bell Challenge
The 2008 Bell Challenge was a tennis tournament played on hard courts. It was the 16th edition of the Bell Challenge, and was part of the Tier III Series of the 2008 WTA Tour. It took place at the PEPS sport complex in Quebec City, Canada, from October 27 through November 2, 2008.-Singles: Nadia...

, she won her second title of the year beating lucky loser Angela Haynes
Angela Haynes
Angela Haynes is a professional tennis player from the United States. Haynes's top WTA singles ranking is World No. 95 which she attained in August, 2005. Angela is currently ranked World No. 158, race-singles World No. 260 and World No...

 6–3, 6–1 in the semifinals and Bethanie Mattek-Sands 4–6, 6–4, 6–1 in the final. This title also secured her status as the second alternate for the WTA Tour Championships should a player withdraw. This scenario did indeed happen, and Petrova came in replacing Serena Williams
Serena Williams
Serena Jameka Williams is an American professional tennis player and a former world no. 1. The Women's Tennis Association has ranked her world no. 1 in singles on five separate occasions. She became the world no. 1 for the first time on July 8, 2002 and regained this ranking for the fifth time on...

. She lost her only match to Dementieva 6–4, 4–6, 6–4.

Petrova finished the 2008 season ranked World No. 11.

2009

Petrova started 2009 playing at the 2009 Medibank International Sydney
2009 Medibank International Sydney
The 2009 Medibank International Sydney was a tennis tournament played on outdoor hard courts. It was the 42nd edition of the event known that year as the Medibank International Sydney, and was part of the ATP World Tour 250 series of the 2009 ATP World Tour, and of the WTA Premier tournaments of...

 where she was seeded seventh. She lost in the first round to Alizé Cornet
Alizé Cornet
Alizé Cornet is a French professional tennis player and the current French number three . She was born in Nice, Alpes-Maritimes, and has a career-high ranking of No. 11, achieved on 16 February 2009; as of 4 July 2011 she is ranked World No. 69...

 6–2, 6–4. Petrova was seeded tenth at the Australian Open
2009 Australian Open
The 2009 Australian Open was a tennis tournament played on outdoor hard courts. It was the 97th edition of the Australian Open, and the first Grand Slam event of the year. It took place at the Melbourne Park in Melbourne, Australia, from 19 January through 1 February 2009. The 2009 men's...

 in Melbourne. She lost to seventh–seeded Vera Zvonareva
Vera Zvonareva
Vera Zvonareva is a professional tennis player from Russia. She was introduced to tennis at the age of six and turned professional in 2000. Her career high is World No. 2 by the WTA, and she is currently ranked as the World No. 7. Zvonarёva has won twelve WTA Tour singles titles and reached the...

 in the fourth round 7–5, 6–4. However, this caused her ranking to move back into the top ten for the first time since early 2007 to World No. 10. She later reached World No. 9.

Petrova did not play in the Indian Wells
2009 BNP Paribas Open
The 2009 BNP Paribas Open was a tennis tournament played on outdoor hard courts. It was the 33rd edition of the event, known that year as the BNP Paribas Open, and was classified as an ATP World Tour Masters 1000 event on the 2009 ATP World Tour and a Premier Mandatory event on the 2009 WTA Tour...

, a Premier Mandatory event due to injury. In Miami
2009 Sony Ericsson Open - Women's Singles
Serena Williams was the defending champion, but lost in the final to Victoria Azarenka 6–3, 6–1.-Seeds:All seeds receive a bye into the second round.# Serena Williams # Dinara Safina # Jelena Janković ...

 Nadia entered as the no. 9 seed, but lost to world no. 54 Ekaterina Makarova
Ekaterina Makarova
Ekaterina Valeryevna Makarova is a professional Russian tennis player. She achieved her career high ranking of number 29 on June 6, 2011.-Career:...

 in the third round, 7–5, 6–1.

Petrova next headed to Ponte Vedra Beach
2009 MPS Group Championships
The 2009 MPS Group Championships was a tennis tournament played on outdoor clay courts. It was the 30th edition of the MPS Group Championships but first held in its new location, and was part of the International series of the 2009 WTA Tour...

 as the top seed where she defeated Olga Govortsova
Olga Govortsova
Olga Govortsova is a professional Belarusian tennis player. As of May 10, 2010 her highest singles ranking on the WTA is World Number 35, which she achieved on June 23, 2008.-Career:...

, Madison Keys
Madison Keys
Madison Keys is an American tennis player who, on July 13, 2009 at the age of 14, as a member of the Philadelphia Freedoms, beat reigning Wimbledon champion Serena Williams in women's singles by a score of 5–1. Keys earned her by beating Beatrice Capra in a wildcard playoff on Aug. 21, 2011.She...

 (who had just won her first ever main draw match) and Alona Bondarenko. She fell in the semi final to eventual finalist Aleksandra Wozniak
Aleksandra Wozniak
Aleksandra Wozniak is a Canadian professional tennis player. She turned professional in November 2005. Wozniak achieved a career-best ranking of no. 21 on June 22, 2009, making her the fourth-highest ranked Canadian singles player of all time. She has won one WTA and eight ITF tournaments...

, 6–4, 4–6, 6–2. Petrova fell in the second round at Charleston
2009 Family Circle Cup
The 2009 Family Circle Cup was a women's tennis event on the 2009 WTA Tour, which took place from April 13 to April 19. The event was hosted at the Family Circle Tennis Center, in Charleston, South Carolina, United States. It was the second and last event of the clay court season played on green clay...

 to Melinda Czink
Melinda Czink
Melinda Czink is a Hungarian professional female tennis player. On September 21, 2009 Czink reached her career-high singles ranking of World No. 37....

 in three sets 3–6, 6–4, 7–5. At the 2009 Porsche Tennis Grand Prix
2009 Porsche Tennis Grand Prix
The 2009 Porsche Tennis Grand Prix is a tennis tournament played on indoor clay courts. It is the 32nd edition of the Porsche Tennis Grand Prix, and is part of the Premier tournaments of the 2009 WTA Tour...

 in Stuttgard, Petrova was seeded sixth but lost in the second round to Flavia Pennetta
Flavia Pennetta
Flavia Pennetta is an Italian professional tennis player. She became Italy's first top 10 female singles player on 17 August 2009 and also the first ever Italian Tennis player to be ranked No.1 in Doubles on 28 February 2011. As of 10 October 2011, Pennetta is ranked World No. 18 in singles and...

 6–2, 6–2. She next went to the Rome Masters
Rome Masters
The Italian Open is an annual tennis tournament held in Rome, Italy. It is the most prestigious red clay tennis tournament in the world after the French Open, with the men's competition being an ATP World Tour Masters 1000 event on the Association of Tennis Professionals tour, and the women's...

 as the number eight seed where she had a first round bye before defeating giant killer Carla Suárez Navarro
Carla Suarez Navarro
Carla Suárez Navarro is a Spanish tennis player. She began playing for Spain in the 2008 Fed Cup. On May 18, 2009, she reached her career high ranking at World No. 22.-2008:...

. In the third round Petrova was ousted by María José Martínez Sánchez
María José Martínez Sánchez
María José Martínez Sánchez is a Spanish professional tennis player. In singles, she has won five WTA singles titles, the 2009 Copa Sony Ericsson Colsanitas, the 2009 Swedish Open, the Premier 5 event, 2010 Internazionali BNL d'Italia, the 2011 Gastein Ladies and the 2011 Hansol Korea Open. She...

 6–4, 6–7 (5) 6–4.
Petrova was seeded eleventh at the 2009 French Open
2009 French Open
The 2009 French Open was a tennis tournament played on outdoor clay courts. It was the 108th edition of the French Open, and the second Grand Slam event of the year...

 in Paris where she reached the semi-finals in 2003 and 2005. She defeated Lauren Embree
Lauren Embree
Lauren Embree is an American college and international tennis player.Born in Naples, Florida, Embree made her USTA Pro Circuit debut at the age of 16. As a junior, she has competed in the 2006 U.S...

 in the first round 6–1, 6–2. She lost in the second round to world no. 102 Maria Sharapova
Maria Sharapova
Maria Yuryevna Sharapova ,. is a Russian professional tennis player and a former world no. 1. A US resident since 1994, Sharapova has won 24 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open...

 by 6–2, 1–6, 8–6.

At the 2009 AEGON International
2009 AEGON International
The 2009 AEGON International is a combined men's and women's tennis tournament to be played on outdoor grass courts. It will be the 34th edition of the event for the women and the 1st edition for the men. It is classified as a WTA Premier tournament on the 2009 WTA Tour and as an ATP World Tour 250...

, Petrova was seeded seventh and defeated Ana Ivanović
Ana Ivanovic
Ana Ivanović is a former world no. 1 Serbian tennis player. As of November 7, 2011, she is ranked 22th on the WTA rankings. She beat Dinara Safina to win the 2008 French Open and was the runner-up in singles at the 2007 French Open and the 2008 Australian Open...

 in the first round in three sets 6–1, 4–6, 6–4 where she came back from a double break down in the final set to win. However, she was defeated in the second round by fellow Russian Vera Dushevina
Vera Dushevina
Vera Yevgenyevna Dushevina is a Russian professional female tennis player. She was born in Moscow but now resides in Khimki, Russia. In 2006, she privately amended the presentation of her surname so as to be more English language friendly, adopting Dushevina in place of Douchevina which is a...

 7–5, 0–1 where she was forced to retire due to a lower back injury after taking the first set.

Petrova's next tournament was Wimbledon, the third grand slam of the year where she was the tenth seed. She beat Anastasiya Yakimova
Anastasiya Yakimova
Anastasiya Yakimova is a female tennis player from Belarus. She made it to the third round of the 2007 Australian Open, defeating Ai Sugiyama of Japan, a seeded player, on the way in the second round.-2009:...

 in the first round 6–1. 6–1. Petrova won her second round match against Shahar Pe'er
Shahar Pe'er
Shahar Pe'er is an Israeli professional tennis player. Her career-high singles ranking is World No. 11, which she achieved on January 31, 2011 ....

  6–3, 6–2. She then came from a set down to beat Gisela Dulko
Gisela Dulko
Gisela Dulko is an Argentine female tennis player, who will, as of 4 July 2011, be ranked World No. 51 in singles and No. 4 in doubles. Although she enjoyed a modest success in singles, reaching No. 26 on November 21, 2005, and winning four WTA Tour titles, her speciality has been doubles, where...

 3–6, 6–3, 6–4. Petrova lost to #8 Victoria Azarenka
Victoria Azarenka
Victoria Azarenka is a Belarusian professional tennis player. Her career high and current ranking is world no. 3, which she first achieved on 12 September 2011. She became the highest-ranked Belarusian player ever, surpassing Natasha Zvereva by two spots....

, in three sets, in the fourth round.

Petrova began her 2009 US Open Series
2009 US Open Series
The sixth edition of the US Open Series , included ten hard court tournaments started on July 20 in Indianapolis and endend in New Haven, Connecticut on August 29. This edition has scheduled five separate men's tournaments, four women's tournaments, and the Pilot Pen Tennis Tournament hosted both a...

 campaign at Stanford
Bank of the West Classic
The Bank of the West Classic is a week-long tennis tournament on the WTA Tour held on the campus of Stanford University in Palo Alto, California, United States. The 2011 event will be held on July 25th to July 31st. Started in 1971, the tournament is the oldest women's-only tournament in the world...

 where she was seeded 5th. After defeating her doubles partner Bethanie Mattek-Sands in three sets in the first round, Petrova lost again to Sharapova 6–1, 6–2 in just over an hour. In Los Angeles
2009 LA Women's Tennis Championships
The 2009 LA Women's Tennis Championships was a tennis tournament played on outdoor hard courts. It was the 36th edition of the LA Women's Tennis Championships, and was part of the Premier Series of the 2009 WTA Tour...

, she was also seeded 5th but lost to 10th seed Flavia Pennetta
Flavia Pennetta
Flavia Pennetta is an Italian professional tennis player. She became Italy's first top 10 female singles player on 17 August 2009 and also the first ever Italian Tennis player to be ranked No.1 in Doubles on 28 February 2011. As of 10 October 2011, Pennetta is ranked World No. 18 in singles and...

 6–3, 6–3 in the third round. Petrova then headed to Cincinnati where she was the defending champion and the tenth seed. She was unable to defend her title, losing in the first round to Alona Bondarenko 6–2, 6–3. This caused her ranking to slip out of the top ten to World No.12. Petrova next played in Toronto
2009 Rogers Cup
The 2009 Canada Masters was a tennis tournament played on outdoor hard courts. It was the 120th edition of the Canada Masters, and was part of the ATP World Tour Masters 1000 of the 2009 ATP World Tour, and of the Premier 5 of the 2009 WTA Tour...

 as the tenth seed where her poor form continued as she fell again to Maria Sharapova
Maria Sharapova
Maria Yuryevna Sharapova ,. is a Russian professional tennis player and a former world no. 1. A US resident since 1994, Sharapova has won 24 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open...

 in the first round. Continuing her campaign on the 2009 US Open Series
2009 US Open Series
The sixth edition of the US Open Series , included ten hard court tournaments started on July 20 in Indianapolis and endend in New Haven, Connecticut on August 29. This edition has scheduled five separate men's tournaments, four women's tournaments, and the Pilot Pen Tennis Tournament hosted both a...

, she then received a wildcard as the 4th seed at the New Haven
2009 Pilot Pen Tennis
The 2009 Pilot Pen Tennis was a tennis tournament played on outdoor hard courts. It was the 41st edition of the Pilot Pen Tennis, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour, and of the Premier Series of the 2009 WTA Tour. It took place at the Cullman-Heyman Tennis...

 but again lost to compatriot Anna Chakvetadze
Anna Chakvetadze
Anna Djambulilovna Chakvetadze is a Russian professional tennis player . On September 10, 2007, she reached her career-high professional singles ranking of World No. 5. She has won eight WTA Singles Titles and appeared in the 2007 US Open semifinals. As of July 4, 2011, Chakvetadze is ranked World...

 in the first round.
Her next tournament was the final Grandslam of the year, the 2009 US Open
2009 US Open (tennis)
The 2009 US Open was a tennis tournament played on outdoor hard courts, held from August 31 to September 14, 2009 in the USTA Billie Jean King National Tennis Center at Flushing Meadows, New York City, United States. Originally, it was scheduled to end with the mens' singles final match on Sunday,...

. Petrova was the thirteenth seed and defeated Katarina Srebotnik
Katarina Srebotnik
Katarina Srebotnik is a Slovenian professional tennis player. Srebotnik is right-handed, 1.80 m, weighs 65 kg and lives in Dubai. She reached a career-high ranking of No. 20 on the Sony Ericsson WTA Tour on August 7, 2006.Srebotnik won 4 singles titles on the WTA-tour and was a steady top 30...

 and Julie Coin
Julie Coin
Julie Coin is a professional French tennis player. Coin recorded the largest victory of her career by defeating the world's #1 ranked female singles player, and #1 seed, Ana Ivanović at the 2008 US Open. Her career high singles ranking is World No. 60, achieved on 27 July 2009. Her career high...

 in the first and second round in straight sets. Petrova then got past World No. 22 Zheng Jie
Zheng Jie
Zheng Jie is a Chinese professional tennis player. Her career high ranking is World No. 15 which she achieved on May 18, 2009. As of August 15, 2011, Zheng is ranked World No. 65 in singles and World No. 20 in doubles....

, 6–4, 6–1. Petrova was defeated in the fourth round by unseeded American Melanie Oudin
Melanie Oudin
Melanie Oudin is an American tennis player and former World Junior No. 2. Her career high rank is World No. 31, which she achieved on April 19, 2010...

 1–6, 7–6(2), 6–3. However, her ranking improved one spot higher to World No. 12.

Petrova then headed to Quebec to defend her title at the 2009 Bell Challenge
2009 Bell Challenge
The 2009 Bell Challenge was a tennis tournament played on indoor carpet courts. It was the 17th edition of the Bell Challenge, and was part of the WTA International tournaments of the 2009 WTA Tour...

. Petrova was the top seed and advanced to the quarterfinals with wins over Carly Gullickson
Carly Gullickson
Carly Gullickson is an American professional tennis player. Her career-high WTA singles ranking is No. 123, which she reached on July 20, 2009. Her career high doubles ranking is No. 52, set at April 3, 2006. She is the daughter of former major league baseball player Bill Gullickson, and the...

 and Madison Brengle
Madison Brengle
Madison Brengle is an American professional tennis player.-Background:Brengle has won two ITF singles and three ITF doubles titles in her career, and has achieved a ranking on the women's WTA Tour of World Number 152 on April 18, 2011...

 in straight sets. Here, Petrova faced 5th seed Melinda Czink
Melinda Czink
Melinda Czink is a Hungarian professional female tennis player. On September 21, 2009 Czink reached her career-high singles ranking of World No. 37....

 and was a set down when she was forced to retire due to a viral illness. Czink would go on to win the title. However, Nadia quickly returned to action in Tokyo as the number 13 seed but continued a dismal season, losing in the second round to Magdaléna Rybáriková
Magdaléna Rybáriková
Magdaléna Rybáriková is a Slovak professional tennis player. On June 22, 2009, she achieved her career-high WTA singles ranking of 40th.-Biography:...

 6–2, 6–2. She slipped to World No. 17 as a result of this bad form.

Nadia then participated at China Open
2009 China Open (tennis)
The 2009 China Open was a tennis tournament played on outdoor hard courts. It was the 11th edition of the China Open, and was part of the ATP 500 Series of the 2009 ATP Tour, and of the Premier Series of the 2009 WTA Tour...

, a Premier Mandatory tournament, where she was the thirteenth seed. She beat her compatriot Alla Kudryavtseva
Alla Kudryavtseva
Alla Alexandrovna Kudryavtseva is a professional tennis player from Russia. She currently lives in Moscow, where she is coached by Nick Rybakov...

 6–1, 5–7, 6–2 in the first round and World No. 24 Daniela Hantuchová
Daniela Hantuchová
Daniela Hantuchová is a Slovak professional tennis player. She turned professional in 1999 and had her breakthrough year in 2002, when she won her first Tier I tournament and ended the year in the top 10.She is currently coached by Larri Passos...

 6–1, 2–6, 7–5 in the second round. She played one of her best matches in 2009 by beating Serena Williams
Serena Williams
Serena Jameka Williams is an American professional tennis player and a former world no. 1. The Women's Tennis Association has ranked her world no. 1 in singles on five separate occasions. She became the world no. 1 for the first time on July 8, 2002 and regained this ranking for the fifth time on...

 in a thriller three sets match, by 6–4, 3–6, 7–6(5), in the third round despite the fact that Williams was just about to snitch back the World No. 1 ranking from Dinara Safina
Dinara Safina
Dinara Mikhailovna Safina , born April 27, 1986 in Moscow, is a Russian professional tennis player of Tatar background. Safina's career high ranking is World No. 1....

 the following week due to the Russian's second round loss. Petrova then survived another three setter against Peng Shuai
Peng Shuai
Peng Shuai is a Chinese professional female tennis player. She won a gold medal at the 2010 Asian Games, defeating Akgul Amanmuradova in the final...

 (who earlier beat Jelena Janković
Jelena Janković
Jelena Janković is a former world no. 1 professional tennis player from Serbia. She reached the final of the 2008 US Open and won the 2007 Wimbledon Mixed Doubles title. Janković is ranked world no...

 and Maria Sharapova
Maria Sharapova
Maria Yuryevna Sharapova ,. is a Russian professional tennis player and a former world no. 1. A US resident since 1994, Sharapova has won 24 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open...

) in the quarterfinals. This was only Petrova's second semi-final of the year but she lost to the reigning French Open Champion, Svetlana Kuznetsova
Svetlana Kuznetsova
Svetlana Aleksandrovna Kuznetsova ; born June 27, 1985) is a Russian professional tennis player and as of October 10, 2011 ranked No. 21 in the WTA singles and No. 90 in the doubles ranking. Kuznetsova has appeared in four singles Grand Slam finals, winning two, and has also appeared in six doubles...

, by 6–1, 6–3.

Petrova then competed at Kremlin Cup
2009 Kremlin Cup
The 2009 Kremlin Cup was a tennis tournament played on indoor hard courts. It was the 19th edition of the Kremlin Cup, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour, and of the Premier Series of the 2009 WTA Tour...

 as the fifth seed. She defeated Yana Buchina 6–2, 6–0 in the first round but fell to Alona Bondarenko in the second round.

Petrova finished her poor year with a 30–21 singles record and she finished the year ranked World No. 20. It was by far her worst year on tour as she captured no titles for the first time since 2004. Her highlights of the year are reaching the semi-finals in Ponte Vedra Beach and Beijing and reaching the quarterfinals in Quebec City.

2010

Petrova's started her year at the Brisbane International
Brisbane International
The Brisbane International is a professional tennis tournament played on outdoor hard courts. It is currently part of the ATP World Tour 250 series of the Association of Tennis Professionals World Tour and of the WTA Premier tournaments of the Women's Tennis Association Tour...

 in Australia. After drawing comeback queen Justine Henin as the number two seed, Petrova lost in a close 5–7, 5–7 match. She then competed in the Medibank International Sydney but lost again in the opening round to 39 year-old Kimiko Date Krumm 3–6, 7–5, 4–6.

Seeded 19th at the 2010 Australian Open
2010 Australian Open
The 2010 Australian Open was a tennis tournament that took place in Melbourne Park in Melbourne, Australia, from 18 to 31 January. It was the 98th edition of the Australian Open, and the first Grand Slam event of the year....

, Petrova reached the third round by defeating Edina Gallovits
Edina Gallovits
Klaudia Edina Gallovits-Hall is a Romanian female tennis player of Hungarian descent on her father's side. She is currently ranked 75th in the world and her career highest ranking of No. 54 was achieved on April 28, 2008...

 6–3, 6–4 and Kaia Kanepi
Kaia Kanepi
Kaia Kanepi is an Estonian professional tennis player. Her career-high ranking is world no. 16 reached on 14 February 2011....

 6–4, 6–4. In the third round, Petrova caused a huge upset as she crushed the 15th seed Kim Clijsters
Kim Clijsters
Kim Antonie Lode Clijsters is a Belgian professional tennis player. As of 7 November 2011, Clijsters is ranked No. 13 in singles. Clijsters is a former World No. 1 in both singles and doubles....

 in a 52-minute onslaught, winning 6–0, 6–1. Clijsters was the bookmaker's second favourite to win the tournament. She followed that with another upset in the 4th round over 3rd seed Svetlana Kuznetsova
Svetlana Kuznetsova
Svetlana Aleksandrovna Kuznetsova ; born June 27, 1985) is a Russian professional tennis player and as of October 10, 2011 ranked No. 21 in the WTA singles and No. 90 in the doubles ranking. Kuznetsova has appeared in four singles Grand Slam finals, winning two, and has also appeared in six doubles...

 with a score of 6–3, 3–6, 6–1. This was the second time in Petrova's career that she had reached the Quarterfinals at the Australian Open. She fell to former World No. 1 Justine Henin 6–7, 5–7 in a tight match after leading 3–0 in the second set.

After a first round defeat to Stefanie Vögele in Dubai
2010 Dubai Tennis Championships – Women's Singles
Venus Williams was the defending champion and defended her title by defeating Victoria Azarenka 6-3, 7-5 in the finals.-Seeds:The top eight seeds receive a bye into the second round.# Caroline Wozniacki # Svetlana Kuznetsova ...

, Petrova next competed at the Premier Mandatory events in Indian Wells and Miami. At the 2010 BNP Paribas Open
2010 BNP Paribas Open
The 2010 BNP Paribas Open was a tennis tournament played at Indian Wells, California in March 2010. It was the 36th edition of the event, known this year as the BNP Paribas Open, and is classified as an ATP World Tour Masters 1000 event on the 2010 ATP World Tour and a Premier Mandatory event on...

 in Indian Wells, Petrova was seeded 16th. After receiving a bye to the second round, she dispatched Patty Schnyder
Patty Schnyder
Patty Schnyder is a retired Swiss professional tennis player. She played on the WTA tour from 1993 to 2011 and is a former World No. 7. She defeated several World No...

 6–3,5–7,6–4, and then Shuai Peng 6–1, 7–5, before losing in the fourth round to second seed Caroline Wozniacki
Caroline Wozniacki
Caroline Wozniacki is a Danish professional tennis player. She is the current world no. 1 on the WTA Tour. As of 7 November 2011, she has held this position for 56 weeks...

 6–3, 3–6, 6–0. At the 2010 Sony Ericsson Open
2010 Sony Ericsson Open
The 2010 Sony Ericsson Open , was a tennis tournament for men and women held from March 22 to April 4, 2010. It was the 26th edition of the Miami Masters event and is played on outdoor hard courts at the Tennis Center at Crandon Park in Key Biscayne, Florida, located near Miami...

 in Miami, Petrova was again seeded 16th but fell in the third round to 19th seed Daniela Hantuchová
Daniela Hantuchová
Daniela Hantuchová is a Slovak professional tennis player. She turned professional in 1999 and had her breakthrough year in 2002, when she won her first Tier I tournament and ended the year in the top 10.She is currently coached by Larri Passos...

 6–2, 6–4.

Petrova began her clay court season in Charleston
2010 Family Circle Cup – Singles
Sabine Lisicki was the defending champion but chose not to compete due to a left ankle injury.Samantha Stosur defeated Vera Zvonareva in the final .-Seeds:The top eight seeds receive a bye into the second round....

 and won her first two matches in straight sets against Vania King
Vania King
Vania King is a Taiwanese American female tennis player. King won both the 2010 Wimbledon Women's Doubles and 2010 US Open Women's Doubles titles with Kazakh partner Yaroslava Shvedova....

 and Aleksandra Wozniak
Aleksandra Wozniak
Aleksandra Wozniak is a Canadian professional tennis player. She turned professional in November 2005. Wozniak achieved a career-best ranking of no. 21 on June 22, 2009, making her the fourth-highest ranked Canadian singles player of all time. She has won one WTA and eight ITF tournaments...

 before losing to Wozniacki in the quarter-finals.

On European clay, Petrova was seeded 14th at the Italian Open
2010 Internazionali BNL d'Italia
The 2010 Internazionali BNL d'Italia was a tennis tournament, being played on outdoor clay courts at the Foro Italico in Rome, Italy. It was the 67th edition of the event and was classified as an ATP World Tour Masters 1000 event on the 2010 ATP World Tour and a Premier 5 event on the 2010 WTA Tour...

. She advanced to the quarter-finals by defeating Tathiana Garbin
Tathiana Garbin
Tathiana Garbin is an Italian tennis player. As of 17 May 2010, she is ranked World No. 56 in singles and No. 38 in doubles. Garbin is probably best known for her shocking defeat of the defending champion and the reigning World No. 1 Justine Henin in the second round of the 2004 French Open...

, Katarina Srebotnik
Katarina Srebotnik
Katarina Srebotnik is a Slovenian professional tennis player. Srebotnik is right-handed, 1.80 m, weighs 65 kg and lives in Dubai. She reached a career-high ranking of No. 20 on the Sony Ericsson WTA Tour on August 7, 2006.Srebotnik won 4 singles titles on the WTA-tour and was a steady top 30...

 and Alexandra Dulgheru
Alexandra Dulgheru
Alexandra Dulgheru is a Romanian professional tennis player. She achieved a singles career high of World No. 26 on April 11, 2011. Her career high in doubles was World No. 47 on March 21, 2011.She is coached by Gabriel Urpi.-Biography:...

 but lost here to World No. 58 Ana Ivanović
Ana Ivanovic
Ana Ivanović is a former world no. 1 Serbian tennis player. As of November 7, 2011, she is ranked 22th on the WTA rankings. She beat Dinara Safina to win the 2008 French Open and was the runner-up in singles at the 2007 French Open and the 2008 Australian Open...

 6–2, 7–5. Petrova was seeded 16th at the 2010 Mutua Madrileña Madrid Open
2010 Mutua Madrileña Madrid Open
The 2010 Madrid Masters was played on outdoor clay courts at the Park Manzanares in Madrid, Spain from May 7 – May 16. It was the 9th edition of the event on the ATP and 2nd on the WTA...

. where she beat Elena Vesnina
Elena Vesnina
Elena Sergeevna Vesnina is a professional female tennis player from Russia. Her career high rank was #22, achieved on 12 October 2009...

 4–6, 6–2, 6–3 and Anastasia Pavlyuchenkova
Anastasia Pavlyuchenkova
Anastasia Sergeyevna Pavlyuchenkova is a Russian professional tennis player and a multiple junior Grand Slam champion. Her career-high rank of World No. 13 was achieved on 4 July 2011. From July 2007 to September 2009 she was coached at the Mouratoglou Tennis Academy in France...

 6–2, 7–5 to advance to the third round. Here, Petrova had a fantastic win as she upset World No. 1 Serena Williams
Serena Williams
Serena Jameka Williams is an American professional tennis player and a former world no. 1. The Women's Tennis Association has ranked her world no. 1 in singles on five separate occasions. She became the world no. 1 for the first time on July 8, 2002 and regained this ranking for the fifth time on...

 4–6, 6–2, 6–3. However she fell to World No. 30 Lucie Šafářová
Lucie Šafárová
Lucie Šafářová is a professional Czech tennis player. She was born in Brno.Šafářová has won four WTA tour singles titles and reached the quarterfinals of the 2007 Australian Open, upsetting defending champion Amélie Mauresmo en-route...

 in the quarter-finals.

Petrova was seeded 19th at the 2010 French Open
2010 French Open
The 2010 French Open was a tennis tournament played on outdoor clay courts. It was the 109th edition of the French Open, and the second Grand Slam event of the year...

. She defeated Zhang Shuai
Zhang Shuai (tennis)
Zhang Shuai is a Chinese professional female tennis player. , she is the fourth-highest ranked women's singles player from China, at World number 90.-Career Summary:...

 6–0, 6–3 in the first round and the talented Ágnes Szávay
Ágnes Szávay
Ágnes Szávay is a professional tennis player from Hungary. She is the country's highest ranked tennis player. She was the WTA Newcomer of the Year in 2007. She achieved her career high ranking of World No. 13 on April 14, 2008.- Background :...

 6–1, 6–2 in the second round. In the third round, Petrova fell a set behind against the in-form 15th seed and recent Madrid champion Aravane Rezaï
Aravane Rezaï
Aravane Rezaï is an Iranian-French tennis player born in Saint-Étienne, France to Iranian parents. She is the current French No. 5 in women's tennis. Rezaï took up tennis after a childhood stint as her older brother's ball girl...

 before coming back to take the second set. In the third set, Petrova saved three match points as Rezaï served for the match at 5–4 before Petrova came back to serve for the match herself at 7–6 where she too held three match points. Rezaï, however, broke back and the match was abandoned due to bad light. The match was completed the following day where Petrova eventually won, causing the upset 6–7(2), 6–4, 10–8. She continued her success in the fourth round where she stunned the World No. 2 Venus Williams
Venus Williams
Venus Ebony Starr Williams is an American professional tennis player who is a former World No. 1 and is ranked World No. 101 as of 10 October 2011 in singles and World No. 20 in doubles as of 2011. She has been ranked World No. 1 in singles by the Women's Tennis Association on three separate...

 6–4, 6–3. Petrova led by a set in the quarter-final against fifth seed Elena Dementieva
Elena Dementieva
Elena Viatcheslavovna Dementieva is a retired Russian professional tennis player. Dementieva is most notable for winning the singles gold medal at the 2008 Olympics in Beijing. She won 16 WTA singles titles and reached the finals of the 2004 French Open and 2004 US Open. Dementieva achieved a...

 but required treatment twice by the trainer during the match and limped to the finish line with Dementieva winning 2–6, 6–2, 6–0. Despite this loss, Petrova's quarter-final run caused her ranking to increase to World No. 13.

Beginning the grass court season in Eastbourne, Petrova was unseeded and came back from a set down to win on a final set tie-break to beat Karolina Šprem
Karolina Šprem
Karolina Šprem was a Croatian tennis player.She has won eight titles all at the ITF level. She has not won any titles on the WTA Tour. Career highlight is a quarterfinal appearance at Wimbledon in 2004 where she defeated two-time champion, four-time finalist and then-world No...

 in the first round. In the second round, Petrova was heavily defeated 6–2, 6–0 by eventual champion Ekaterina Makarova
Ekaterina Makarova
Ekaterina Valeryevna Makarova is a professional Russian tennis player. She achieved her career high ranking of number 29 on June 6, 2011.-Career:...

. Petrova was seeded 12th at the 2010 Wimbledon Championships
2010 Wimbledon Championships
The 2010 Wimbledon Championships took place on the outdoor grass courts at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The tournament ran from Monday 21 June until Sunday 4 July 2010. It was the 124th staging of the Wimbledon Championships, and the third Grand...

. She defeated Tatjana Malek
Tatjana Malek
Tatjana Malek is a professional German tennis player. She achieved her highest singles ranking of World No. 64 on 14 September 2009. Her highest doubles ranking of World No. 73 came on 3 May 2010. Malek has won 8 ITF singles titles and 7 ITF doubles title but no WTA tour singles or doubles titles...

 6–4, 6–3 in the first round and Yung-Jan Chan 6–3, 6–4 in the second. Petrova then fell to 17th seed Justine Henin in the third round, 6–1 6–4. This caused her ranking to slip to World No. 19.

Petrova next played at the 2010 Mercury Insurance Open in San Diego in her first event of the 2010 US Open Series
2010 US Open Series
The seventh edition of the US Open Series , includes ten hard court tournaments that started on July 19, 2010 in Atlanta and will end in New Haven, Connecticut on August 29, 2010...

. Unseeded, she was defeated in three sets in the first round to World No. 32 Yaroslava Shvedova
Yaroslava Shvedova
Yaroslava Vyacheslavovna Shvedova is a Kazakhstani professional tennis player of Russian descent. She has achieved a career high ranking of No. 29 as of 21 June 2010. She has won 1 WTA singles title, 3 ITF Women's Circuit singles titles and 3 doubles titles, including the 2010 Wimbledon and US...

 5–7, 6–4, 6–1. Petrova was seeded 15th at the 2010 Western & Southern Financial Group Women's Open in Cincinnati but was forced to retire due to heat stress while trailing 7–6(4), 5–3 to Christina McHale
Christina McHale
Christina McHale is a professional American tennis player. Her highest WTA singles ranking is No. 45, and in doubles it is No. 171. McHale has beaten numerous top WTA tour players, including current world no...

.

Petrova was seeded 18th at the 2010 Rogers Cup
2010 Rogers Cup
The 2010 Canada Masters was a tennis tournament played on outdoor hard courts in Canada. It was the 121st edition of the Canada Masters, and was part of the ATP Masters Series of the 2010 ATP World Tour, and of the Premier Series of the 2010 WTA Tour...

 in Montreal and won a tough opener against Lucie Šafářová
Lucie Šafárová
Lucie Šafářová is a professional Czech tennis player. She was born in Brno.Šafářová has won four WTA tour singles titles and reached the quarterfinals of the 2007 Australian Open, upsetting defending champion Amélie Mauresmo en-route...

, 7–5, 4–6, 6–3. In the second round, Petrova faced former World No. 1 Dinara Safina
Dinara Safina
Dinara Mikhailovna Safina , born April 27, 1986 in Moscow, is a Russian professional tennis player of Tatar background. Safina's career high ranking is World No. 1....

 and despite serving 15 aces, she was defeated 7–5, 4–6, 6–4. Petrova is currently playing in her final event of the US Open Series in New Havan at the 2010 Pilot Pen Tennis
2010 Pilot Pen Tennis
The 2010 Pilot Pen Tennis was a tennis tournament played on outdoor hard courts. It was the 42nd edition of the Pilot Pen Tennis, and was part of the ATP World Tour 250 Series of the 2010 ATP World Tour, and of the Premier Series of the 2010 WTA Tour. It took place at the Cullman-Heyman Tennis...

 where she received a wild-card to play as the 8th seed. In the first round she came from a set down to beat Varvara Lepchenko
Varvara Lepchenko
Varvara Lepchenko is an American female professional tennis player. She reached her singles career high of no. 74 on November 15, 2010. She has won six ITF titles during her career.-Early life and junior career:...

 1–6, 7–5, 6–1. She then defeated her former doubles partner Bethanie Mattek-Sands 6–3, 6–2 to advance to the quarter-finals and then had an impressive 6–2, 6–1 victory over 2nd seed Samantha Stosur
Samantha Stosur
Samantha "Sam" Jane Stosur is an Australian professional tennis player. She won the 2011 US Open singles title and was a finalist at the 2010 French Open. Stosur is ranked World No. 6 and her career high in singles is World No. 4, achieved on 21 February 2011. She is a former world No...

 for her fourth top ten win of the season. She defeated Maria Kirilenko
Maria Kirilenko
Maria Yuryevna Kirilenko is a Russian professional tennis player. Kirilenko won her first WTA Tour title in 2005, defeating Anna-Lena Grönefeld in the China Open. Kirilenko reached no. 18, her career-high singles ranking, on the WTA tour in July 2008. She won the junior event at the 2002 Canadian...

 2–6 6–2 6–2 in her semi-final match, but was beaten by Caroline Wozniacki in the final 6–3, 3–6, 6–3.

Petrova was seeded 17th at the 2010 US Open
2010 US Open (tennis)
The 2010 US Open was a tennis tournament played on outdoor hard courts, held from August 30 to September 13, 2010 in the USTA Billie Jean King National Tennis Center at Flushing Meadows, Queens, New York City, United States....

, the final Grand Slam of the year. Despite her recent final appearance in New Havan, Petrova suffered a shock first round defeat in the hands of a tough opponent in World No. 38 Andrea Petkovic
Andrea Petkovic
Andrea Petkovic is a professional German tennis player of Serbian origin. She is the highest ranked German tennis player. She lives in Griesheim near Darmstadt, Germany....

 2–6, 6–4, 6–7(4). However, partnering with Liezel Huber
Liezel Huber
Liezel Huber is a professional tennis player who competes for, resides in, and is a naturalized citizen of the United States. Huber has won four Grand Slam titles in women's doubles with partner Cara Black, one with Lisa Raymond, and two mixed doubles titles with Bob Bryan.  On November 12, 2007,...

, she had her best run in a grandslam by reaching the final where they faced Yaroslava Shvedova
Yaroslava Shvedova
Yaroslava Vyacheslavovna Shvedova is a Kazakhstani professional tennis player of Russian descent. She has achieved a career high ranking of No. 29 as of 21 June 2010. She has won 1 WTA singles title, 3 ITF Women's Circuit singles titles and 3 doubles titles, including the 2010 Wimbledon and US...

 and Vania King
Vania King
Vania King is a Taiwanese American female tennis player. King won both the 2010 Wimbledon Women's Doubles and 2010 US Open Women's Doubles titles with Kazakh partner Yaroslava Shvedova....

. Despite having a championship point, they eventually lost by 2–6, 6–4, 7–6(4) in the final, after the match got postponed due to rain.

Petrova bounced back in singles at the 2010 Hansol Korea Open
2010 Hansol Korea Open
The 2010 Hansol Korea Open was a tennis tournament played on outdoor hard courts. It was the 7th edition of the Hansol Korea Open, and was part of the WTA International tournaments of the 2010 WTA Tour...

 in Seoul. As the top seed, Petrova's first round opponent, was the World No. 41 Jarmila Groth who had captured her first WTA title the previous week in Guangzhou. However, Petrova came through comfortably 6–3, 6–2. She then defeated Vania King
Vania King
Vania King is a Taiwanese American female tennis player. King won both the 2010 Wimbledon Women's Doubles and 2010 US Open Women's Doubles titles with Kazakh partner Yaroslava Shvedova....

 6–3, 6–4 to advance to the quarter-finals where she thrashed Belgian Kirsten Flipkens
Kirsten Flipkens
Kirsten Flipkens is a professional female Belgian tennis player since 2003. Her career high rank for singles is No. 59 . She won 10 ITF Singles titles, and 1 ITF Doubles title....

 6–2, 6–1. She then fell to Klára Zakopalová.

Petrova was the 15th seed at the 2010 Toray Pan Pacific Open
2010 Toray Pan Pacific Open
The 2010 Toray Pan Pacific Open was a tennis tournament played on outdoor hard courts. It was the 27th edition of the Toray Pan Pacific Open, and was part of the Premier Series of the 2010 WTA Tour...

, but fell to Roberta Vinci
Roberta Vinci
Roberta Vinci is an Italian tennis player. As of 29 August 2011, Vinci is ranked World No. 20, on the WTA Tour Rankings. Vinci has won thirteen WTA Tour titles, six in singles and seven in doubles....

 in the first round.
Nadia ended her cooperation with her coach Vladimir Platenik. She finished the 2010 season ranked World No. 15.

2011

As the 3rd seed, Petrova fell to Petra Kvitová
Petra Kvitová
Petra Kvitová is a Czech professional tennis player. She has won seven WTA singles titles. As of 31 October 2011, she is ranked World No. 2. Kvitová won the 2011 Wimbledon Championships and the 2011 WTA Tour Championships singles titles...

 7–6(3) 6–3 in the first round of the 2011 Brisbane International
2011 Brisbane International
The 2011 Brisbane International was a joint ATP and WTA tennis tournament, played on outdoor hard courts. It was the 3rd edition of the tournament and took place at the Queensland Tennis Centre in Tennyson, Brisbane. It was held from 2 to 9 January...

. She also fell in the first round of the 2011 Medibank International Sydney
2011 Medibank International Sydney
The 2011 Medibank International Sydney was a tennis tournament played on outdoor hard courts. It was the 119th edition of the Medibank International Sydney, and part of the ATP World Tour 250 series of the 2011 ATP World Tour, and of the WTA Premier tournaments of the 2011 WTA Tour...

, this time to Barbora Záhlavová-Strýcová 6–2 6–2. At the Australian Open, Petrova defeated Ksenia Pervak
Ksenia Pervak
Ksenia Yuryevna Pervak is a professional left-handed Russian tennis player. Her highest WTA singles ranking is 37th, which she reached on 19 September 2011...

 of Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

 6–2 6–1. In the second round, she faced wildcard Alicia Molik
Alicia Molik
Alicia Molik is a Australian professional female tennis player. She reached a career high singles rank of number 8 and also won a bronze medal for Australia at the 2004 Athens Olympics. Molik also reached a career high doubles ranking of number 6, and won two grand slam doubles titles, at the...

 6–4 6–1. Her third round match against Ekaterina Makarova
Ekaterina Makarova
Ekaterina Valeryevna Makarova is a professional Russian tennis player. She achieved her career high ranking of number 29 on June 6, 2011.-Career:...

 resulted in a tough three setter where she lost 2–6 6–3 8–6. For the 2011 French Open
2011 French Open
The 2011 French Open was a tennis tournament played on outdoor clay courts. It was the 110th edition of the French Open, and the second Grand Slam event of the year...

 Petrova was seeded 26th, and lost in the first round 6–7 (5–7), 6–3, 6–4, to Anastasia Rodionova of Australia. Petrova then reached the 4th round of the 2011 Wimbledon Championships
2011 Wimbledon Championships
The 2011 Wimbledon Championships took place at the All England Lawn Tennis and Croquet Club in Wimbledon, London, England, from 20 June to 3 July 2011. It was the 125th edition of the championships, and the third Grand Slam tournament of the year. It was played on grass courts and was part of the...

, falling to Victoria Azarenka
Victoria Azarenka
Victoria Azarenka is a Belarusian professional tennis player. Her career high and current ranking is world no. 3, which she first achieved on 12 September 2011. She became the highest-ranked Belarusian player ever, surpassing Natasha Zvereva by two spots....

. Following Wimbledon, Petrova won the inaugural 2011 Citi Open
2011 Citi Open
The 2011 Citi Open was a tennis tournament played on outdoor hard courts. It was the 1st edition of the Citi Open, and was a part of the WTA International tournaments of the 2011 WTA Tour...

, beating Shahar Pe'er
Shahar Pe'er
Shahar Pe'er is an Israeli professional tennis player. Her career-high singles ranking is World No. 11, which she achieved on January 31, 2011 ....

 for her first title since 2008 . at cincinnati she lost to Andrea Petkovic
Andrea Petkovic
Andrea Petkovic is a professional German tennis player of Serbian origin. She is the highest ranked German tennis player. She lives in Griesheim near Darmstadt, Germany....

 7–5, 6–1 in the quarters.

Doubles

Petrova has also had success in doubles, reaching a career high of No. 3 in the doubles rankings. She has eighteen doubles titles, eight of them with Meghann Shaughnessy
Meghann Shaughnessy
Meghann Shaughnessy is an American professional tennis player. She achieved a career-high singles ranking of #11 in 2001, and has won six WTA Tour singles titles...

 including the prestigious year-ending WTA Tour Championships
WTA Tour Championships
The WTA Tour Championships is a tennis tournament played annually at the end of the season for the top-ranked players on the Women's Tennis Association tour. The month, city and number of players has changed since the first edition in 1972...

 in 2004, where they beat Cara Black
Cara Black
Cara Black is a professional female tennis player from Zimbabwe. She has won 7 singles titles and 63 women's doubles titles. She has won all four Grand Slam mixed doubles titles and three of the four Grand Slam titles in women's doubles. She is currently ranked World No. 28 in women's doubles...

 and Rennae Stubbs
Rennae Stubbs
Rennae Stubbs is an Australian tennis player. She has won several Grand Slam doubles titles and represented Australia at four successive Olympic Games; Atlanta 1996, Sydney 2000, Athens 2004 and Beijing 2008....

 in the final. She also has victories at the Tier I events in Moscow
Kremlin Cup
The Kremlin Cup is a professional tennis tournament played on indoor hard courts. It is currently part of the ATP World Tour 250 series of the ATP Tour and is a Premier Tournament on the WTA Tour...

, Key Biscayne
Miami Masters
The Miami Masters is an annual tennis tournament for men and women held in Key Biscayne, Miami, Florida. It is an ATP World Tour Masters 1000 event on the men's tour and a Premier Mandatory event on the women's tour and is played on hard courts at the Tennis Center at Crandon Park...

, Berlin
Qatar Telecom German Open
The German Open, sponsored from 2006 through 2008 as the Qatar Telecom German Open, was a WTA Tour affiliated professional tennis tournament for women played in Berlin, Germany. Held since 1896, it was one of the oldest tournaments for women...

, Rome
Rome Masters
The Italian Open is an annual tennis tournament held in Rome, Italy. It is the most prestigious red clay tennis tournament in the world after the French Open, with the men's competition being an ATP World Tour Masters 1000 event on the Association of Tennis Professionals tour, and the women's...

, and Montreal
Canada Masters
The Canada Masters , currently sponsored as the Rogers Cup, is an annual tennis tournament held in Canada. The men's competition is a Masters 1000 event on the Association of Tennis Professionals tour. The women's competition is a Premier 5 tournament on the Women's Tennis Association tour...

, with all but the Montreal title being with Meghann Shaughnessy
Meghann Shaughnessy
Meghann Shaughnessy is an American professional tennis player. She achieved a career-high singles ranking of #11 in 2001, and has won six WTA Tour singles titles...

 and the aforementioned other one being with Martina Navrátilová. In 2002 and 2003, she also reached the finals of three Tier I events with Jelena Dokić
Jelena Dokic
Jelena Dokić is an Australian female professional tennis player.During the height of her career, she played for Serbia and Montenegro and reached a career-high ranking of World No. 4 on 19 August 2002. After several family-related difficulties , she slowly slipped down the rankings in 2006...

. In 2010, Petrova is partnered with a top 10 doubles player Samantha Stosur
Samantha Stosur
Samantha "Sam" Jane Stosur is an Australian professional tennis player. She won the 2011 US Open singles title and was a finalist at the 2010 French Open. Stosur is ranked World No. 6 and her career high in singles is World No. 4, achieved on 21 February 2011. She is a former world No...

 and Liezel Huber
Liezel Huber
Liezel Huber is a professional tennis player who competes for, resides in, and is a naturalized citizen of the United States. Huber has won four Grand Slam titles in women's doubles with partner Cara Black, one with Lisa Raymond, and two mixed doubles titles with Bob Bryan.  On November 12, 2007,...

. In 2011, Petrova partnered with Liezel Huber and Anastasia Rodionova.

Singles


To prevent confusion and double counting, information in this table is updated only once a tournament or the player's participation in the tournament has concluded. This table is current through the conclusion of the 2010 French Open
2010 French Open
The 2010 French Open was a tennis tournament played on outdoor clay courts. It was the 109th edition of the French Open, and the second Grand Slam event of the year...

.
Tournament1996
1996 WTA Tour
The WTA Tour is the elite tour for professional women's tennis organised by the Women's Tennis Association . The WTA Tour includes the four Grand Slam tournaments, the WTA Tour Championships and the WTA Tier I, Tier II, Tier III and Tier IV events...

1997
1997 WTA Tour
The WTA Tour is the elite tour for professional women's tennis organised by the Women's Tennis Association . The WTA Tour includes the four Grand Slam tournaments, the WTA Tour Championships and the WTA Tier I, Tier II, Tier III and Tier IV events...

1998
1998 WTA Tour
The WTA Tour is the elite tour for professional women's tennis organised by the Women's Tennis Association . The WTA Tour includes the four Grand Slam tournaments, the WTA Tour Championships and the WTA Tier I, Tier II, Tier III and Tier IV events...

1999
1999 WTA Tour
The WTA Tour is the elite tour for professional women's tennis organised by the Women's Tennis Association . The WTA Tour includes the four Grand Slam tournaments, the WTA Tour Championships and the WTA Tier I, Tier II, Tier III and Tier IV events...

2000
2000 WTA Tour
The 2000 Sanex WTA Tour was the 28th season since the founding of the Women's Tennis Association. It commenced on January 3, 2000, and concluded on November 13, 2000, after 58 events. For this season, a new event was added: the State Farm Classic in Scottsdale, Arizona, U.S...

2001
2001 WTA Tour
The WTA Tour is the elite tour for professional women's tennis organised by the Women's Tennis Association . The WTA Tour includes the four Grand Slam tournaments, the WTA Tour Championships and the WTA Tier I, Tier II, Tier III, Tier IV and Tier V events...

2002
2002 WTA Tour
The 2002 Sanex WTA Tour was the 30th season since the founding of the Women's Tennis Association. It commenced on December 31, 2001, and concluded on November 11, 2002, after 64 events....

2003
2003 WTA Tour
The WTA Tour is the elite tour for professional women's tennis organised by the Women's Tennis Association . The WTA Tour includes the four Grand Slam tournaments, the WTA Tour Championships and the WTA Tier I, Tier II, Tier III, Tier IV and Tier V events...

2004
2004 WTA Tour
The 2004 WTA Tour was the 32nd season since the founding of the Women's Tennis Association. It commenced on January 5, 2004, and concluded on November 13, 2004, after 60 events....

200520062007
2007 WTA Tour
The 2007 Sony Ericsson WTA Tour was the 35th season since the founding of the Women's Tennis Association. It commenced on January 1, 2007, and concluded on November 11, 2007 after 61 events. Two new events were added to the schedule for the 2007 season: the Barcelona KIA and Gastein Ladies. It also...

2008
2008 WTA Tour
The 2008 Sony Ericsson WTA Tour was the 36th season since the founding of the Women's Tennis Association. It commenced on December 31, 2007, and concluded on November 9, 2008 after 59 events.The season was characterised by its frequent changes in the No...

2009
2009 WTA Tour
The 2009 Sony Ericsson WTA Tour was the 37th season since the founding of the Women's Tennis Association. It commenced on January 5, 2009, and concluded on November 8, 2009 after 56 events....

2010
2010 WTA Tour
The Women's Tennis Association Tour is the elite professional tennis circuit organized by the WTA. The 2010 WTA Tour calendar comprises the Grand Slam tournaments , the WTA Premier tournaments , the WTA International tournaments, the Fed Cup , and the year-end...

2011
2011 WTA Tour
The WTA Tour is the elite tour for women's professional tennis organized by the Women's Tennis Association . The 2011 WTA Tour includes the Grand Slam tournaments , the WTA Premier tournaments, the WTA International tournaments, the Fed Cup , the Commonwealth Bank Tournament of Champions, and the WTA...

Career
Win-Loss
Grand Slam Tournaments
Australian Open
Australian Open
The Australian Open is the only Grand Slam tennis tournament held in the southern hemisphere. The tournament was held for the first time in 1905 and was last contested on grass in 1987. Since 1972 the Australian Open has been held in Melbourne, Victoria. In 1988, the tournament became a hard court...

A A A 1R 3R 2R A 3R 1R 4R QF 3R 4R 4R QF
2010 Australian Open – Women's Singles
Serena Williams defended her title after winning 6–4, 3–6, 6–2 against Justine Henin in the final.-Seeds:# Serena Williams # Dinara Safina ...

3R
2011 Australian Open – Women's Singles
Serena Williams was the defending champion, but could not defend her title due to a foot injury sustained in the middle of the 2010 season.Kim Clijsters won her first Australian Open title and fourth Grand Slam overall by beating Li Na 3–6, 6–3, 6–3 in the final match...

26–12
French Open A A A LQ 1R 4R A SF 3R SF 1R 1R 3R 2R
2009 French Open – Women's Singles
Ana Ivanović was the defending champion, but lost in the fourth round to Victoria Azarenka.Svetlana Kuznetsova won in the final 6–4, 6–2, against Dinara Safina in 74 minutes. It was the third all-Russian final in Grand Slam history, and the first since 2004...

QF
2010 French Open – Women's Singles
Svetlana Kuznetsova was the defending champion, but lost in the third round to Maria Kirilenko.Francesca Schiavone defeated Samantha Stosur 6–4, 7–6 in the final and became the first Italian woman to win a Grand Slam tournament.-Seeds:...

1R 22–11
Wimbledon
The Championships, Wimbledon
The Championships, Wimbledon, or simply Wimbledon , is the oldest tennis tournament in the world, considered by many to be the most prestigious. It has been held at the All England Club in Wimbledon, London since 1877. It is one of the four Grand Slam tennis tournaments, the other three Majors...

A A A 2R
1999 Wimbledon Championships - Women's Singles
Jana Novotná was the defending champion, but lost in the quarterfinals to Lindsay Davenport. Davenport ended up defeating Steffi Graf, 6–4, 7–5, in the final to win without losing a set in the entire tournament....

2R
2000 Wimbledon Championships - Women's Singles
Venus Williams defeated Lindsay Davenport 6-3 7-6 in the final to win the Ladies' Singles title at the 2000 Wimbledon Championships.See also:-Seeds:...

4R
2001 Wimbledon Championships - Women's Singles
Venus Williams was the defending champion, and she successfully defended her title, defeating Justine Henin in the final, 6–1, 3–6, 6–0.This tournament saw a second first round loss for World No. 1 Martina Hingis, who previously fell in the first round in 1999. This time she fell to World No...

A 3R
2003 Wimbledon Championships - Women's Singles
Serena Williams defeated Venus Williams 4-6 6-4 6-2 in the final to win the Ladies' Singles title at the 2003 Wimbledon Championships.See also:-Seeds:...

4R
2004 Wimbledon Championships - Women's Singles
Serena Williams was the two-time defending champion, but she was defeated by 17-year-old Maria Sharapova in the final, 6–1, 6–4. This victory was hailed by the media as "the most stunning upset in memory". With this win, Sharapova, who would later became a future World No. 1, entered the Top Ten...

QF
2005 Wimbledon Championships - Women's Singles
Maria Sharapova was the defending champion, but she was defeated by Venus Williams in the semifinals.Williams won the title, defeating compatriot and World No...

A 4R
2007 Wimbledon Championships - Women's Singles
Amélie Mauresmo was the defending champion but was knocked out in the fourth round by Nicole Vaidišová.23rd seed Venus Williams defeated Marion Bartoli in the final, 6–4, 6–1...

QF
2008 Wimbledon Championships - Women's Singles
Venus Williams was the defending champion, and won in the final 7–5, 6–4, against her sister Serena Williams.-Seeds:# Ana Ivanović # Jelena Janković # Maria Sharapova ...

4R 3R 4R 29–11
US Open A A LQ LQ
1999 US Open - Women's Singles
Lindsay Davenport was the defending champion, but she was defeated in the semifinals by Serena Williams. Williams then went on to win in the final, defeating World No. 1 Martina Hingis...

2R
2000 US Open - Women's Singles
Serena Williams was the defending champion, but she lost in the quarterfinals against Lindsay Davenport.Venus Williams won in the final 6–4, 7–5 against Lindsay Davenport.-Seeds:# Martina Hingis # Lindsay Davenport ...

2R
2001 US Open - Women's Singles
Venus Williams was the defending champion, and successfully defended her title defeating her sister Serena Williams in the final. The all-Williams final drew a larger audience drew a larger television audience than the Notre Dame-Nebraska college football game being broadcast at the same...

1R
2002 US Open - Women's Singles
Venus Williams was the defending champion, but she was defeated by her sister Serena in the final, 6–4, 6–2. This was Serena's third consecutive Grand Slam title.-Seeds:# Serena Williams # Venus Williams ...

4R
2003 US Open - Women's Singles
The women's singles competition at the 2003 US Open started on Monday, August 25, 2003 in New York City. Serena Williams was the champion in 2002; however, she did not participate in 2003 because of injury. Justine Henin-Hardenne was the Champion defeating Kim Clijsters in the final, 7-5, 6-1...

QF
2004 US Open - Women's Singles
Justine Henin-Hardenne was the defending champion, but she was eliminated in the fourth round by Nadia Petrova.Svetlana Kuznetsova was the title, defeating compatriot Elena Dementieva in the final. She became the third Russian woman, after Anastasia Myskina and Maria Sharapova , to win a Grand Slam...

QF 3R 3R 3R 4R
2009 US Open - Women's Singles
Serena Williams was the defending champion, but lost in the semifinals to Kim Clijsters.Clijsters won in the final, defeating Caroline Wozniacki to win her 2nd US Open title...

1R 3R 24–12
Win-Loss 0–0 0–0 0–0 1–2 4–4 8–4 0–1 12–4 9–4 16–4 6–3 7–4 11–4 10–4 10–4 5–3 99–45

External links

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