...KARIM JAAFAR/AFP/Getty Images) Venus Williams of the US returns the ball to Serbia's Jelena Jankovic during their WTA Championships semi-final tennis match at the Khalifa International Tennis and Squash Complex...

Dinara Safina of Russia serves shortly before retiring from her singles tennis match against Serbia's Jelena Jankovic on the second day of the 4.55 million dollar WTA Championships at the Khalifa International...

...Svetlana Kuznetsova of Russia, Elena Dementieva of Russia, Victoria Azarenka of Belarus, Dinara Safina of Russia, Jelena Jankovic of Serbia, Caroline Wozniacki of Denmark and Venus William of United States line up during the...

...Bangkok, Thailand. (Photo by Mark Dadswell/Getty Images) TOKYO - OCTOBER 03: Maria Sharapova of Russia and Jelena Jankovic of Serbia meet at the net after the final match during day seven of the Toray...

Jelena Jankovic of Serbia hits a return against Maria Sharapova of Russia during the women's singles final...

Yaroslava Shvedova of Kazakhstan celebrates after defeating five seed Jelena Jankovic of Serbia during their 2nd round US Open match at the USTA Billie Jean King National...

Jelena Jankovic of Serbia returns a shot to Roberta Vinci of Italy during their first round US Open...

CINCINNATI - AUGUST 16: Dinara Safina of Russia serves to Jelena Jankovic of Serbia during the finals of the Western & Southern Financial Group Women's Open on August...

Aug 20, 2009; Toronto, ON, Canada; Kim Clijsters (BEL) hits a forehand against Jelena Jankovic (SRB) (not pictured) during their match at the Rogers Cup at the Rexall Centre. Jankovic beat...

CINCINNATI - AUGUST 16: Dinara Safina of Russia serves to Jelena Jankovic of Serbia during the finals of the Western & Southern Financial Group Women's Open on August...

Zoom Gallery: 2007 U.S. Open Tennis Week 2

High res photos of week 2 of the 2007 Tennis U.S. Open.

CINCINNATI - AUGUST 16: Jelena Jankovic of Serbia poses with the trophy after defeating Dinara Safina of Russia in the finals of...

...JUNE 27: Melanie Oudin of USA celebrates during the women's singles third round match against Jelena Jankovic of Serbia on Day Six of the Wimbledon Lawn Tennis Championships at the All England Lawn...

Serbia's Jelena Jankovic is pictured as she plays against Melanie Oudin of the US in a Women's Singles...

...JUNE 27: Melanie Oudin of USA celebrates during the women's singles third round match against Jelena Jankovic of Serbia on Day Six of the Wimbledon Lawn Tennis Championships at the All England Lawn...