
Karolina Pliskova of Czech Republic serves during the women's singles semifinal against Simona Halep of Romania at the 2017 French Open Tennis Tournament in Paris, France on June 8, 2017. Simona Halep won 2-1. (Xinhua/Chen Yichen)

Karolina Pliskova of Czech Republic serves during the women's singles semifinal against Simona Halep of Romania at the 2017 French Open Tennis Tournament in Paris, France on June 8, 2017. Simona Halep won 2-1. (Xinhua/Chen Yichen)