Yanina Wickmayer of Belgium hits a return against Kimiko Date Krumm of Japan during WTA Bali Open Tennis Tournament round robin at Nusa Dua, Bali, Indonesia, Wednesday, Nov. 4, 2009. Wickmayer won...

Serena Williams of the US returns to her sister Venus during their WTA Championships final tennis match at the Khalifa International Tennis and Squash Complex in Doha on November 1...

...Williams of the US eyes the ball before returning it to Denmark's Caroline Wozniacki during their WTA Championships semi-final tennis match at the Khalifa International Tennis and Squash Complex in Doha on October...

...the U.S hits a ball to Svetlana Kuznetsova of Russia (out of camera range) during their WTA Tour Championships tennis match in Doha on October 29, 2009. AFP PHOTO/STR (Photo credit should read...

...tennis match against Serbia's Jelena Jankovic on the second day of the 4.55 million dollar WTA Championships at the Khalifa International Tennis and Squash Complex in Doha, Qatar on October 28, 2009. AFP...

...sister Venus during their Maroon Group match on the second day of the 4.55 million dollar WTA Championships at the Khalifa International Tennis and Squash Complex in Doha, Qatar on October 28, 2009. Russia...

Venus Williams of the US returns the ball to Russia's Elena Dementieva during their WTA Tour Championships tennis match in Doha on October 27, 2009. AFP PHOTO/KARIM JAAFAR (Photo credit should...

...of Denmark and Venus William of United States line up during the draw for the Sony Ericsson WTA Championships at the Museum of Islamic Art on October 25, 2009 in Doha, Qatar. The Championships willl...

Aravane Rezai of France wears Balinese traditional outfit as she holds her trophy after she won in WTA Bali Open tennis tournament at Nusa Dua, Bali, Indonesia, Sunday, Nov. 8, 2009..(AP Photo/Firdia Lisnawati...

Aravane Rezai of France returns a shot against Marion Bartoli during the finals of the WTA Bali Open tennis tournament at Nusa Dua, on the Indonesian tourists island of Bali, on Sunday, Nov...

Aravane Rezai of France hold up her trophy after she won in WTA Bali Open tennis tournament, beating Marion Bartoli of France at Nusa Dua, Bali, Indonesia, Sunday, Nov. 8...

Marion Bartoli of France receives treatment on her injured thigh during her WTA Bali Open tennis tournament final match against Aravane Rezai of France at Nusa Dua, Bali, Indonesia, Sunday...

...Bartoli of France reacts as she plays against Aravane Rezai of France during the finals of the WTA Bali Open tennis tournament at Nusa Dua, on the Indonesian tourists island of Bali, on Sunday, Nov...

Marion Bartoli of France receives treatment on her injured thigh during her WTA Bali Open tennis tournament final match against Aravane Rezai of France at Nusa Dua, Bali, Indonesia, Sunday...

...of France cries as she talks with a medical official after her thigh gets injured during her WTA Bali Open tennis tournament final match against Aravane Rezai of France at Nusa Dua, Bali, Indonesia, Sunday...