Video PlayerClose

Petra Kvitova (L) of Czech Republic greets Caroline Wozniacki of Denmark after their women's singles third round match at the China Open tennis tournament in Beijing on Oct. 5, 2017. Petra Kvitova won 2-0. (Xinhua/Ju Huanzong)

Petra Kvitova (L) of Czech Republic greets Caroline Wozniacki of Denmark after their women's singles third round match at the China Open tennis tournament in Beijing on Oct. 5, 2017. Petra Kvitova won 2-0. (Xinhua/Ju Huanzong)