
Tsvetana Pironkova of Bulgaria returns the ball to Elina Svitolina of Ukraine during the women's singles 2nd round match at the French Open Tennis Tournament 2017 in Paris, France on June 1, 2017. (Xinhua/Chen Yichen)

Tsvetana Pironkova of Bulgaria returns the ball to Elina Svitolina of Ukraine during the women's singles 2nd round match at the French Open Tennis Tournament 2017 in Paris, France on June 1, 2017. (Xinhua/Chen Yichen)