Ma Long of China returns to Choe Il of Democratic People's Republic of Korea (DPRK) at the fifth round of Men's group match during the 2018 World Team Table Tennis Championships in Halmstad, Sweden, May 2, 2018. Ma won the game with 3-0, and team China won the match with 3-0. (Xinhua/Ye Pingfan)

Xu Xin of China serves to Kang Wi Hun of Democratic People's Republic of Korea (DPRK) at the fifth round of Men's group match during the 2018 World Team Table Tennis Championships in Halmstad, Sweden, May 2, 2018. Xu won the game with 3-0, and team China won the match with 3-0. (Xinhua/Ye Pingfan)

Poh S. F. Ethan of Singapore returns to Mizutani Jun of Japan at the fifth round of Men's group match during the 2018 World Team Table Tennis Championships in Halmstad, Sweden, May 2, 2018. Harimoto won the game with 3-0, and team Japan won the match with 3-0. (Xinhua/Ye Pingfan)