
Alexander Zverev of German celebrates after winning the men's singles semifinal match against Richard Gasquet of France in the Gerry Weber Open 2017 in Halle, Germany, on June 24, 2017. (Xinhua/Joachim Bywaletz)

Alexander Zverev of German celebrates after winning the men's singles semifinal match against Richard Gasquet of France in the Gerry Weber Open 2017 in Halle, Germany, on June 24, 2017. (Xinhua/Joachim Bywaletz)