Players

1.   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...
   
    (Round Robin)
2.   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...
   
    (Round Robin, withdrew due to a left ankle sprain)
3.   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...
   
    (Champion)
4.   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....
   
    (Final)

5.   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.;...
   
    (Round Robin)
   
6.   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...
   
    (Semifinals)
   
7.   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...
   
    (Semifinals)
   
8.   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...
   
    (Round Robin)
   
   

   Alternates

   1.   Marion Bartoli
      Marion Bartoli
      Marion Bartoli is a French professional tennis player and the current French no. 1. She has won seven Women's Tennis Association singles titles and three doubles titles. She was also a runner-up at the 2007 Wimbledon Championships....
      
       (Replaced Sharapova, Round Robin)
   
   
   
   
   
   2.   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....
      
       (Not Used)
      
      

      Finals

      Red Group

      Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head records; 4) In three-players-ties, percentage of sets won, or of games won; 5) Steering Committee decision.
      

      White Group

      Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head records; 4) In three-players-ties, percentage of sets won, or of games won; 5) Steering Committee decision.
      The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.