
Marin Cilic (R) of Croatia greets Konstantin Kravchuk of Russia after the men's singles 2nd round match at the French Open Tennis Tournament 2017 in Paris, France, on June 1, 2017. (Xinhua/Chen Yichen)

Marin Cilic (R) of Croatia greets Konstantin Kravchuk of Russia after the men's singles 2nd round match at the French Open Tennis Tournament 2017 in Paris, France, on June 1, 2017. (Xinhua/Chen Yichen)