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