![China's Yan Zi returns the ball to Emilie Loit of France during the French Open tennis tournament at Roland Garros stadium in Paris May 26, 2008. REUTERS/Regis Duvignau (FRANCE Stock Photo - Alamy China's Yan Zi returns the ball to Emilie Loit of France during the French Open tennis tournament at Roland Garros stadium in Paris May 26, 2008. REUTERS/Regis Duvignau (FRANCE Stock Photo - Alamy](https://c8.alamy.com/comp/2E8E3EH/chinas-yan-zi-returns-the-ball-to-emilie-loit-of-france-during-the-french-open-tennis-tournament-at-roland-garros-stadium-in-paris-may-26-2008-reutersregis-duvignau-france-2E8E3EH.jpg)
China's Yan Zi returns the ball to Emilie Loit of France during the French Open tennis tournament at Roland Garros stadium in Paris May 26, 2008. REUTERS/Regis Duvignau (FRANCE Stock Photo - Alamy
![Yan Zi of China reacts during her Fed Cup world group play-offs tennis match against Tamaryn Hendler of Belgium in Knokke July 15, 2007. REUTERS/Sebastien Pirlet (BELGIUM Stock Photo - Alamy Yan Zi of China reacts during her Fed Cup world group play-offs tennis match against Tamaryn Hendler of Belgium in Knokke July 15, 2007. REUTERS/Sebastien Pirlet (BELGIUM Stock Photo - Alamy](https://c8.alamy.com/comp/2E8F9FD/yan-zi-of-china-reacts-during-her-fed-cup-world-group-play-offs-tennis-match-against-tamaryn-hendler-of-belgium-in-knokke-july-15-2007-reuterssebastien-pirlet-belgium-2E8F9FD.jpg)
Yan Zi of China reacts during her Fed Cup world group play-offs tennis match against Tamaryn Hendler of Belgium in Knokke July 15, 2007. REUTERS/Sebastien Pirlet (BELGIUM Stock Photo - Alamy
![China's Zheng Jie (L) and Yan Zi hug as they celebrate after beating Taiwan to win the women's doubles tennis final at the 15th Asian Games in Doha December 14, 2006. REUTERS/Jason China's Zheng Jie (L) and Yan Zi hug as they celebrate after beating Taiwan to win the women's doubles tennis final at the 15th Asian Games in Doha December 14, 2006. REUTERS/Jason](https://c8.alamy.com/comp/2E8GGHM/chinas-zheng-jie-l-and-yan-zi-hug-as-they-celebrate-after-beating-taiwan-to-win-the-womens-doubles-tennis-final-at-the-15th-asian-games-in-doha-december-14-2006-reutersjason-reed-qatar-2E8GGHM.jpg)
China's Zheng Jie (L) and Yan Zi hug as they celebrate after beating Taiwan to win the women's doubles tennis final at the 15th Asian Games in Doha December 14, 2006. REUTERS/Jason
![Chinese grand slam doubles champion Yan Zi comes out of retirement to help organise Hong Kong Tennis Open | South China Morning Post Chinese grand slam doubles champion Yan Zi comes out of retirement to help organise Hong Kong Tennis Open | South China Morning Post](https://img.i-scmp.com/cdn-cgi/image/fit=contain,width=425,format=auto/sites/default/files/styles/768x768/public/2015/09/19/0489f37179366a200c848b1ce55b0c4b.jpg?itok=xViWW8Jy)
Chinese grand slam doubles champion Yan Zi comes out of retirement to help organise Hong Kong Tennis Open | South China Morning Post
![Chinese tennis pro Zi Yan returns a ball during her second round match against French Amelie Mauresmo at the Qatar Telecom German Open at the Steffi-Graf-Stadium in Berlin, Germany, 09 May 2007. Chinese tennis pro Zi Yan returns a ball during her second round match against French Amelie Mauresmo at the Qatar Telecom German Open at the Steffi-Graf-Stadium in Berlin, Germany, 09 May 2007.](https://c8.alamy.com/comp/DAWXDE/chinese-tennis-pro-zi-yan-returns-a-ball-during-her-second-round-match-DAWXDE.jpg)
Chinese tennis pro Zi Yan returns a ball during her second round match against French Amelie Mauresmo at the Qatar Telecom German Open at the Steffi-Graf-Stadium in Berlin, Germany, 09 May 2007.
![Yung-Jan Chan of Taiwan reacts during her tennis match against Zi Yan of China at the Women's PTT Bangkok Open in Bangkok October 13, 2007. REUTERS/Chaiwat Subprasom (THAILAND Stock Photo - Alamy Yung-Jan Chan of Taiwan reacts during her tennis match against Zi Yan of China at the Women's PTT Bangkok Open in Bangkok October 13, 2007. REUTERS/Chaiwat Subprasom (THAILAND Stock Photo - Alamy](https://c8.alamy.com/comp/2E7YBP6/yung-jan-chan-of-taiwan-reacts-during-her-tennis-match-against-zi-yan-of-china-at-the-womens-ptt-bangkok-open-in-bangkok-october-13-2007-reuterschaiwat-subprasom-thailand-2E7YBP6.jpg)
Yung-Jan Chan of Taiwan reacts during her tennis match against Zi Yan of China at the Women's PTT Bangkok Open in Bangkok October 13, 2007. REUTERS/Chaiwat Subprasom (THAILAND Stock Photo - Alamy
![Tennis Server ATP/WTA Pro Tennis Showcase - 2007 Roger Cup (Women's) - Toronto, Canada - Yan Zi / Marion Bartoli Tennis Server ATP/WTA Pro Tennis Showcase - 2007 Roger Cup (Women's) - Toronto, Canada - Yan Zi / Marion Bartoli](http://www2.tennisserver.com/images/photofeed/2007/rogers-cup/070817/Zi-Bartoli/IMG_0412.jpg)