Russia's Dinara Safina attends a press conference held after she withdrew from her singles tennis match against Jelena Jankovic of Serbia 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. Safina pulled out of the WTA Championship and surrendered the year-end world number one ranking to Serena Williams as a result. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Russia's Dinara Safina attends a press conference held after she withdrew from her singles tennis match against Jelena Jankovic of Serbia 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. Safina pulled out of the WTA Championship and surrendered the year-end world number one ranking to Serena Williams as a result. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Russia's Dinara Safina speaks during a press conference held after she with withdrew from her singles tennis match against Jelena Jankovic of Serbia 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. Safina pulled out of the WTA Championship and surrendered the year-end world number one ranking to Serena Williams as a result. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Dinara Safina of Russia returns the ball 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 Tennis and Squash Complex in Doha, Qatar on October 28, 2009. Safina pulled out of the WTA Championship and surrendered the year-end world number one ranking to Serena Williams as a result. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Dinara Safina of Russia returns the ball 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 Tennis and Squash Complex in Doha, Qatar on October 28, 2009. Safina pulled out of the WTA Championship and surrendered the year-end world number one ranking to Serena Williams as a result. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Dinara Safina of Russia returns the ball 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 Tennis and Squash Complex in Doha, Qatar on October 28, 2009. Safina pulled out of the WTA Championship and surrendered the year-end world number one ranking to Serena Williams as a result. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

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 Tennis and Squash Complex in Doha, Qatar on October 28, 2009. Safina pulled out of WTA Championship, losing a world number one spot. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Dinara Safina of Russia serves to 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 PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Dinara Safina of Russia returns the ball shortly before she retired 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 Tennis and Squash Complex in Doha, Qatar on October 28, 2009. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

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 Tennis and Squash Complex in Doha, Qatar on October 28, 2009. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Russia's Dinara Safina attends the draw for the WTA Championships at the Museum of Islamic Art in the Qatari capital Doha on October 25, 2009. The 1.55-million-dollar championship willl take place in Doha between October 27 and November 1. Serena Williams has been displaced at the top of the women's game by Safina who has yet to capture a major. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Russia's Dinara Safina attends the draw for the WTA Championships at the Museum of Islamic Art in the Qatari capital Doha on October 25, 2009. The 1.55-million-dollar championship willl take place in Doha between October 27 and November 1. Serena Williams has been displaced at the top of the women's game by Safina who has yet to capture a major. AFP PHOTO/KARIM JAAFAR (Photo credit should read KARIM JAAFAR/AFP/Getty Images)

Top seed Dinara Safina of Russia reacts after losing a point during the second round match against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/LI XIN (Photo credit should read li xin/AFP/Getty Images)

Top seed Dinara Safina of Russia reacts after losing a point during the second round match against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/LI XIN (Photo credit should read li xin/AFP/Getty Images)

Top seed Dinara Safina of Russia reacts after losing a point during the second round match against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/LI XIN (Photo credit should read li xin/AFP/Getty Images)

Zhang Shuai of China serves to top seed Dinara Safina of Russia during second round match, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/LI XIN (Photo credit should read li xin/AFP/Getty Images)

Zhang Shuai of China waves to her fans after beating top seed Dinara Safina of Russia during the second round match at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO / LI Xin (Photo credit should read li xin/AFP/Getty Images)

Zhang Shuai of China returns a shot against top seed Dinara Safina of Russia during the second round match, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Zhang Shuai of China returns a shot against top seed Dinara Safina of Russia during the second round match, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Zhang Shuai of China returns a shot against top seed Dinara Safina of Russia during the second round match, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Top seed Dinara Safina of Russia shows her dejection after losing a point during the second round match against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Top seed Dinara Safina of Russia returns a shot against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Top seed Dinara Safina (L) of Russia wipes sweat off her face as her coach talks to her during the second round match against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Top seed Dinara Safina of Russia reacts after losing a point against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Top seed Dinara Safina of Russia reacts after losing a point against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5, 7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Zhang Shuai of China returns a shot against top seed Dinara Safina of Russia during the second round match at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Zhang Shuai of China waves to her fans after beating top seed Dinara Safina of Russia during the second round match at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Zhang Shuai of China waves to her fans after beating top seed Dinara Safina of Russia during the second round match at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Zhang Shuai of China celebrates after beating top seed Dinara Safina of Russia during the second round match at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Top seed Dinara Safina of Russia reacts after losing a point against Zhang Shuai of China, at the China Open in Beijing on October 5, 2009. Zhang beat Safina 7-5,7-6. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)