
Agnieszka Radwanska of Poland serves 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 serves 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)