
Xu Xin of China competes during the men's singles match against his compatriot Lin Gaoyuan at the 2017 World Table Tennis Championships in Dusseldorf, Germany, June 4, 2017. (Xinhua/Luo Huanhuan)

Xu Xin of China competes during the men's singles match against his compatriot Lin Gaoyuan at the 2017 World Table Tennis Championships in Dusseldorf, Germany, June 4, 2017. (Xinhua/Luo Huanhuan)