Caption: BEIJING - OCTOBER 07: Maria Sharapova of Russia returns a shot against Peng Shuai of China in her third round match during...

...on October 2, 2009 in 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...

Jelena Jankovic of Serbia hits a return against Maria Sharapova of Russia during the women's singles final in the Pan Pacific Open tennis tournament in...

American teen phenom Melanie Oudin acknowledges the crowd after eliminating Maria Sharapova at the US Open

...Billie Jean King National Tennis Center September 5, 2009 in New York (R) Russian tennis player Maria Sharapova reacts while playing against Melanie Oudin of the US in the third round of the US...

Melanie Oudin of the US pumps her fist against Maria Sharapova of Russia during their 3rd round US Open match at the USTA Billie Jean King National...

NEW YORK - SEPTEMBER 05: Maria Sharapova of Russia reacts to a point during her match against Melanie Oudin of the United States...

Melanie Oudin of the US celebrates her 3-6, 6-4, 7-5 victory over Maria Sharapova of Russia in the 3rd round of the US Open at the USTA Billie Jean King...

NEW YORK - SEPTEMBER 05: Melanie Oudin of the United States returns a shot against Maria Sharapova of Russia during day six of the 2009 U.S. Open at the USTA Billie Jean...

Maria Sharapova of Russia returns to Melanie Oudin of the United States during the third round of the...

Maria Sharapova, of Russia, serves to Christina McHale, of the United States, during the second round of the...

Russian tennis player Maria Sharapova celebrates after wining against US Christina McHale, during day four of the 2009 US Open at...

Aug 23, 2009; Toronto, ON, Canada; Maria Sharapova (RUS) serves against Elena Dementieva (RUS) (not pictured) during their finals match of the Rogers Cup...

Elena Dementieva of Russia serves during her victory over compatriot Maria Sharapova in the final of the Rogers Cup in Toronto on August 23, 2009. Dementieva took the...

TORONTO, ON - AUGUST 23: Elena Dementieva of Russia celebrates her win over Maria Sharapova of Russia during the final of the Rogers Cup at the Rexall Center on August 23...