
Lee Sangsu (R) of South Korea shakes hands with Zhang Jike of China after their men's singles third round match at the 2017 World Table Tennis Championships in Dusseldorf, Germany, on June 2, 2017. Lee Sangsu won 4-1. (Xinhua/Tao Xiyi)

Lee Sangsu (R) of South Korea shakes hands with Zhang Jike of China after their men's singles third round match at the 2017 World Table Tennis Championships in Dusseldorf, Germany, on June 2, 2017. Lee Sangsu won 4-1. (Xinhua/Tao Xiyi)