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NANNING, CHINA - MAY 22: Akane Yamaguchi of Japan competes in the Women's Singles match against Pornpawee Chochuwong of Thailand during day four of the Sudirman Cup at Guangxi Sports Center on May 22, 2019 in Nanning, China. (Photo by Shi Tang/Getty Images)

NANNING, CHINA - MAY 22: Akane Yamaguchi of Japan competes in the Women's Singles match against Pornpawee Chochuwong of Thailand during day four of the Sudirman Cup at Guangxi Sports Center on May 22, 2019 in Nanning, China. (Photo by Shi Tang/Getty Images)

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China's Chen Yufei celebrates after defeating Japan's Akane Yamaguchi during their women's singles final match at the 2019 Sudirman Cup world badminton championships in Nanning in China's southern Guangxi region on May 26, 2019. (Photo by WANG ZHAO / AFP) (Photo credit should read WANG ZHAO/AFP/Getty Images)

China's Chen Yufei celebrates after defeating Japan's Akane Yamaguchi during their women's singles final match at the 2019 Sudirman Cup world badminton championships in Nanning in China's southern Guangxi region on May 26, 2019. (Photo by WANG ZHAO / AFP)        (Photo credit should read WANG ZHAO/AFP/Getty Images)