![Tennis player Anna Chakvetadze, from Russia, returns the ball against Jelena Jankovic, from Serbia, during the Sony Ericsson Championships match in Madrid, Thursday Nov. 8, 2007. (AP Photo/Daniel Sastre Stock Photo - Alamy Tennis player Anna Chakvetadze, from Russia, returns the ball against Jelena Jankovic, from Serbia, during the Sony Ericsson Championships match in Madrid, Thursday Nov. 8, 2007. (AP Photo/Daniel Sastre Stock Photo - Alamy](https://l450v.alamy.com/450v/2pawmg6/tennis-player-anna-chakvetadze-from-russia-returns-the-ball-against-jelena-jankovic-from-serbia-during-the-sony-ericsson-championships-match-in-madrid-thursday-nov-8-2007-ap-photodaniel-sastre-2pawmg6.jpg)
Tennis player Anna Chakvetadze, from Russia, returns the ball against Jelena Jankovic, from Serbia, during the Sony Ericsson Championships match in Madrid, Thursday Nov. 8, 2007. (AP Photo/Daniel Sastre Stock Photo - Alamy
![Australian Open tennis 25/1/99 Action Images Pic : Action Images / Stuart Franklin Mary Pierce of France in action against Russia's anna Kournikova Stock Photo - Alamy Australian Open tennis 25/1/99 Action Images Pic : Action Images / Stuart Franklin Mary Pierce of France in action against Russia's anna Kournikova Stock Photo - Alamy](https://c8.alamy.com/comp/2EEM7WR/australian-open-tennis-25199-action-images-pic-action-images-stuart-franklin-mary-pierce-of-france-in-action-against-russias-anna-kournikova-2EEM7WR.jpg)
Australian Open tennis 25/1/99 Action Images Pic : Action Images / Stuart Franklin Mary Pierce of France in action against Russia's anna Kournikova Stock Photo - Alamy
![Ana Ivanovic of Serbia serves to Anna Tatishvili of Georgia at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT TENNIS Stock Photo - Alamy Ana Ivanovic of Serbia serves to Anna Tatishvili of Georgia at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT TENNIS Stock Photo - Alamy](https://c8.alamy.com/comp/2CYXA09/ana-ivanovic-of-serbia-serves-to-anna-tatishvili-of-georgia-at-the-us-open-tennis-championships-in-new-york-august-27-2013-reutersray-stubblebine-united-states-tags-sport-tennis-2CYXA09.jpg)
Ana Ivanovic of Serbia serves to Anna Tatishvili of Georgia at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT TENNIS Stock Photo - Alamy
![Tennis player Anna Chakvetadze, from Russia, returns the ball against Jelena Jankovic, from Serbia, during the Sony Ericsson Championships match in Madrid, Thursday Nov. 8, 2007. (AP Photo/Daniel Sastre Stock Photo - Alamy Tennis player Anna Chakvetadze, from Russia, returns the ball against Jelena Jankovic, from Serbia, during the Sony Ericsson Championships match in Madrid, Thursday Nov. 8, 2007. (AP Photo/Daniel Sastre Stock Photo - Alamy](https://c8.alamy.com/comp/2PAWM92/tennis-player-anna-chakvetadze-from-russia-celebrates-after-beating-jelena-jankovic-from-serbia-during-the-sony-ericsson-championships-match-in-madrid-thursday-nov-8-2007-chakvetadze-won-6-4-0-6-6-3-ap-photodaniel-sastre-2PAWM92.jpg)
Tennis player Anna Chakvetadze, from Russia, returns the ball against Jelena Jankovic, from Serbia, during the Sony Ericsson Championships match in Madrid, Thursday Nov. 8, 2007. (AP Photo/Daniel Sastre Stock Photo - Alamy
![Russian tennis player Anna Kournikova practices in Pattaya 150 km (62 miles) east of Bangkok on November 7, 2003. Kournikova is here on a three-day visit to promote Thailand tourism. REUTERS/Sukree Sukplang Russian tennis player Anna Kournikova practices in Pattaya 150 km (62 miles) east of Bangkok on November 7, 2003. Kournikova is here on a three-day visit to promote Thailand tourism. REUTERS/Sukree Sukplang](https://c8.alamy.com/comp/2D4GJNR/russian-tennis-player-anna-kournikova-practices-in-pattaya-150-km-62-miles-east-of-bangkok-on-november-7-2003-kournikova-is-here-on-a-three-day-visit-to-promote-thailand-tourism-reuterssukree-sukplang-reuters-ss-2D4GJNR.jpg)