Li Earns hat-trick of wins against injured Azarenka

China's Li Na made it a hat-trick of White Group victories, overpowering back-injury victim Victoria Azarenka 6-2, 6-1 on Friday to march through to the semi-finals of the WTA Championship. Li......

Injured Sharapova out of WTA Championship

World No 3 Maria Sharapova withdrew on Monday from the end-of-season WTA Championship in Istanbul due to the shoulder injury that also kept her out of the US Open. The 26-year-old Russian has not......