
Lee Sangsu (R) of South Korea celebrates scoring during the men's singles third round match against Zhang Jike of China at the 2017 World Table Tennis Championships in Dusseldorf, Germany, on June 2, 2017. Lee Sangsu won 4-1. (Xinhua/Luo Huanhuan)

Lee Sangsu (R) of South Korea celebrates scoring during the men's singles third round match against Zhang Jike of China at the 2017 World Table Tennis Championships in Dusseldorf, Germany, on June 2, 2017. Lee Sangsu won 4-1. (Xinhua/Luo Huanhuan)