
Angelique Kerber of Germany hits a return to Samantha Stosur of Australia during their semifinal match at the WTA Hong Kong Open tennis tournament in Hong Kong, Saturday, Oct. 17, 2015. Angelique Kerber won 2-0. (Xinhua/Lo Ping Fai)

Angelique Kerber of Germany hits a return to Samantha Stosur of Australia during their semifinal match at the WTA Hong Kong Open tennis tournament in Hong Kong, Saturday, Oct. 17, 2015. Angelique Kerber won 2-0. (Xinhua/Lo Ping Fai)