![FILE--Retired Chinese tennis star Li Na poses during a brief retirement ceremony during the 2014 WTA Wuhan Open tennis tournament in Wuhan city, cen Stock Photo - Alamy FILE--Retired Chinese tennis star Li Na poses during a brief retirement ceremony during the 2014 WTA Wuhan Open tennis tournament in Wuhan city, cen Stock Photo - Alamy](https://c8.alamy.com/comp/W8J3YH/file-retired-chinese-tennis-star-li-na-poses-during-a-brief-retirement-ceremony-during-the-2014-wta-wuhan-open-tennis-tournament-in-wuhan-city-cen-W8J3YH.jpg)
FILE--Retired Chinese tennis star Li Na poses during a brief retirement ceremony during the 2014 WTA Wuhan Open tennis tournament in Wuhan city, cen Stock Photo - Alamy
![2012 ATP Mens Madrid Open Tennis Spain May 11th. 11.05.2012 Madrid, Spain, Stock Photo, Picture And Rights Managed Image. Pic. APU-AP-11274097 | agefotostock 2012 ATP Mens Madrid Open Tennis Spain May 11th. 11.05.2012 Madrid, Spain, Stock Photo, Picture And Rights Managed Image. Pic. APU-AP-11274097 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/911665a3100732c8af5a4a1fef7b913e/apu-ap-11274097.jpg)
2012 ATP Mens Madrid Open Tennis Spain May 11th. 11.05.2012 Madrid, Spain, Stock Photo, Picture And Rights Managed Image. Pic. APU-AP-11274097 | agefotostock
![Li Na beats Petra Kvitova 2-0 at WTA championships semifinal(5/5) - Headlines, features, photo and videos from ecns.cn Li Na beats Petra Kvitova 2-0 at WTA championships semifinal(5/5) - Headlines, features, photo and videos from ecns.cn](http://www.ecns.cn/visual/hd/2013/10-27/U491P886T15D26936F104DT20131027120536.jpg)
Li Na beats Petra Kvitova 2-0 at WTA championships semifinal(5/5) - Headlines, features, photo and videos from ecns.cn
![My body is begging me to stop': Li Na confirms retirement because of recurring knee injuries | South China Morning Post My body is begging me to stop': Li Na confirms retirement because of recurring knee injuries | South China Morning Post](https://cdn1.i-scmp.com/sites/default/files/styles/768x768/public/2014/09/19/li_na_retires_tennis_ny187.jpg?itok=OnG0tnVl)
My body is begging me to stop': Li Na confirms retirement because of recurring knee injuries | South China Morning Post
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