
Caroline Wozniacki of Denmark returns the ball during the women's singles quarterfinal against Jelena Ostapenko of Latvia at the 2017 French Open Tennis Tournament in Paris, France on June 6, 2017. Jelena Ostapenko won 2-1.(Xinhua/Chen Yichen)

Caroline Wozniacki of Denmark returns the ball during the women's singles quarterfinal against Jelena Ostapenko of Latvia at the 2017 French Open Tennis Tournament in Paris, France on June 6, 2017. Jelena Ostapenko won 2-1.(Xinhua/Chen Yichen)