China's Fan Zhendong/Xu Xin (L) compete during the men's doubles semifinal match against Japan's Niwa Koki/Yoshimura Maharu at the 2017 World Table Tennis Championships in Dusseldorf, Germany, June 3, 2017. Fan Zhendong/Xu Xin won 4-0 to advance to the final. (Xinhua/Tao Xiyi)
