
Agnieszka Radwanska of Poland hits a return during the women's singles first round match against Jelena Jankovic of Serbia at the Championship Wimbledon 2017 in London, Britain, on July 4, 2017. Radwanska won 2-0. (Xinhua/Jin Yu)

Agnieszka Radwanska of Poland hits a return during the women's singles first round match against Jelena Jankovic of Serbia at the Championship Wimbledon 2017 in London, Britain, on July 4, 2017. Radwanska won 2-0. (Xinhua/Jin Yu)