
Petra Kvitova of the Czech Republic serves to Carla Suarez Navarro of Spain during their first round of women's singles match at the 2017 Rogers Cup in Toronto, Canada, August 7, 2017. Petra Kvitova won 2-0. (Xinhua/Zou Zheng)

Petra Kvitova of the Czech Republic serves to Carla Suarez Navarro of Spain during their first round of women's singles match at the 2017 Rogers Cup in Toronto, Canada, August 7, 2017. Petra Kvitova won 2-0. (Xinhua/Zou Zheng)