Tseng Min Hao(L)/Hsieh Pei Shan of Chinese Taipei compete during the mixed doubles match against Seo Seung Jae/Chae Yu Jing of South Korea in the group stage at Sudirman Cup 2019 in Nanning, south China's Guangxi Zhuang Autonomous Region on May 22, 2019. (Xinhua/Li Jundong)