![Kim Clijsters of Belgium returns the ball to Vera Zvonareva of Russia during their WTA Tour Championships tennis match in Doha October 29, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock Kim Clijsters of Belgium returns the ball to Vera Zvonareva of Russia during their WTA Tour Championships tennis match in Doha October 29, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock](https://c8.alamy.com/comp/2E6EG0T/kim-clijsters-of-belgium-returns-the-ball-to-vera-zvonareva-of-russia-during-their-wta-tour-championships-tennis-match-in-doha-october-29-2010-reutersfadi-al-assaad-qatar-tags-sport-tennis-2E6EG0T.jpg)
Kim Clijsters of Belgium returns the ball to Vera Zvonareva of Russia during their WTA Tour Championships tennis match in Doha October 29, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock
![Francesca Schiavone of Italy serves to Caroline Wozniacki of Denmark during their WTA Tour Championships tennis match in Doha October 28, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock Photo - Alamy Francesca Schiavone of Italy serves to Caroline Wozniacki of Denmark during their WTA Tour Championships tennis match in Doha October 28, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock Photo - Alamy](https://c8.alamy.com/comp/2CYM3P5/francesca-schiavone-of-italy-serves-to-caroline-wozniacki-of-denmark-during-their-wta-tour-championships-tennis-match-in-doha-october-28-2010-reutersfadi-al-assaad-qatar-tags-sport-tennis-2CYM3P5.jpg)
Francesca Schiavone of Italy serves to Caroline Wozniacki of Denmark during their WTA Tour Championships tennis match in Doha October 28, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock Photo - Alamy
![Elena Dementieva of Russia returns a shot to Francesca Schiavone of Italy during their WTA Tour Championships tennis match in Doha October 29, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock Elena Dementieva of Russia returns a shot to Francesca Schiavone of Italy during their WTA Tour Championships tennis match in Doha October 29, 2010. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT TENNIS Stock](https://c8.alamy.com/comp/2E63X2X/elena-dementieva-of-russia-returns-a-shot-to-francesca-schiavone-of-italy-during-their-wta-tour-championships-tennis-match-in-doha-october-29-2010-reutersfadi-al-assaad-qatar-tags-sport-tennis-2E63X2X.jpg)