(190329) -- DOHA, March 29, 2019 (Xinhua) -- South Korea's Jeoung Youngsik reacts during the men's singles first round match against China's Liang Jingkun at 2019 ITTF Qatar Open in Doha on March 28, 2019. Jeoung Youngsik lost 2-4. (Xinhua/Nikku)