Jang Woojin (R) of South Korea and Cha Hyo Sim of the Democratic People's Republic of Korea (DPRK) pose on the awarding ceremony after the mix doubles final match against Wang Chuqin/Sun Yingsha of China at 2018 ITTF World Tour Korea Open in Daejeon, South Korea, July 21, 2018. Jang Woojin/Cha Hyo Sim won 3-1 and claimed the title. (Xinhua/Wang Jingqiang)