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Vladimir Ivanov(L)/Ivan Sozonov of Russia compete during the men's doubles match against Kittinupong Kedren/Nipitphon Phuangphuapet of Thailand in the group match between Russia and Thailand at TOTAL BWF Sudirman Cup 2019 held in Nanning, south China's Guangxi Zhuang Autonomous Region, May 21, 2019. (Xinhua/Liu Xu)