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GUANGZHOU, CHINA - DECEMBER 15: Dechapol Puavaranukroh and Sapsiree Taerattanachai (L) of Thailand compete against Zheng Siwei and Huang Yaqiong of China during their mixed doubles semi-finals match on day 4 of the HSBC BWF World Tour Finals at Tianhe Gymnasium on December 15, 2018 in Guangzhou, China. (Photo by Zhe Ji/Getty Images)

GUANGZHOU, CHINA - DECEMBER 15:   Dechapol Puavaranukroh and Sapsiree Taerattanachai (L) of Thailand compete against Zheng Siwei and Huang Yaqiong of China during their mixed doubles semi-finals match on day 4 of the HSBC BWF World Tour Finals at Tianhe Gymnasium on December 15, 2018 in Guangzhou, China.   (Photo by Zhe Ji/Getty Images)