Jeoung Youngsik of South Korea reacts during the Men's group semi-final match against Timo Boll of Germany during at the 2018 World Team Table Tennis Championships in Halmstad, Sweden, May 5, 2018. Jeoung Youngsik lost the game with 1-3, and team Germany won the match with 3-2. (Xinhua/Ye Pingfan)