In pics: 2019 ITTF Men's World Cup in Chengdu

Niwa Koki of Japan returns tha ball during the men's singles quarterfinal match against Harimoto Tomokazu of Japan at the 2019 ITTF Men's World Cup in Chengdu, southwest China's Sichuan province, Nov. 30, 2019. (Xinhua/Wang Dongzhen)