Seeds

1.   Roger Federer
   Roger Federer
   Roger Federer is a Swiss professional tennis player who held the ATP no. 1 position for a record 237 consecutive weeks, and 285 weeks overall. As of 28 November 2011, he is ranked World No. 3 by the Association of Tennis Professionals . Federer has won a men's record 16 Grand Slam singles titles...
   
    (Champion)
2.   Rafael Nadal
   Rafael Nadal
   Rafael "Rafa" Nadal Parera is a Spanish professional tennis player and a former World No. 1. , he is ranked No. 2 by the Association of Tennis Professionals...
   
    (Semifinals)
3.   Novak Djokovic
   Novak Djokovic
   Novak Djokovic is a Serbian professional tennis player who has been ranked world no. 1 by the Association of Tennis Professionals since 4 July 2011. He has won four Grand Slam singles titles: the 2008 and 2011 Australian Open, the 2011 Wimbledon Championships, and the 2011 US Open...
   
    (Round Robin)
4.   Nikolay Davydenko
   Nikolay Davydenko
   Nikolay Vladimirovich Davydenko is a Ukrainian-Russian tennis player. Davydenko's best result in a Grand Slam tournament has been reaching the semifinals, which he has done on four occasions: twice each at the French Open and the U.S. Open. His biggest achievement to date was winning the 2009 ATP...
   
    (Round Robin)

5.   Andy Roddick
   Andy Roddick
   Andrew Stephen "Andy" Roddick is an American professional tennis player and a former World No. 1. He is currently the second highest-ranked American player, behind Mardy Fish....
   
    (Semifinals)
   
6.   David Ferrer
   David Ferrer
   David Ferrer Ern is a Spanish professional tennis player who lives in Valencia, Spain who is currently no. 5 in the ATP Rankings and the second-highest ranked Spaniard behind world no. 2 Rafael Nadal. He turned professional in 2000...
   
    (Final)
   
7.   Fernando González
   Fernando González
   ----Fernando Francisco González Ciuffardi is a professional tennis player from Chile. He is known for having one of the hardest forehands on the circuit. In Spanish he is called El Bombardero de La Reina and Mano de Piedra...
   
    (Round Robin)
   
8.   Richard Gasquet
   Richard Gasquet
   Richard Gasquet is a French professional tennis player. He won the mixed doubles Grand Slam title at the 2004 French Open, partnering Tatiana Golovin. His highest ranking in singles is #7. His best achievements in tennis are reaching the semi-finals of Wimbledon in 2007 and later that year...
   
    (Round Robin)
   
   

   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.
   

   Gold 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.
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