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NANNING, CHINA - MAY 23: Heo Kwang Hee of Korea competes in the Men's Singles match against Kantaphon Wangcharoen of Thailand during day five of the Sudirman Cup at Guangxi Sports Center on May 23, 2019 in Nanning, China. (Photo by Shi Tang/Getty Images)

NANNING, CHINA - MAY 23: Heo Kwang Hee of Korea competes in the Men's Singles match against Kantaphon Wangcharoen of Thailand during day five of the Sudirman Cup at Guangxi Sports Center on May 23, 2019 in Nanning, China. (Photo by Shi Tang/Getty Images)

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Jeon Hyeok-jin of South Korea hits a return against Lee Chong Wei of Malaysia during their men's singles quarter-final match at the Malaysia Open Badminton Superseries in Kuching, Sarawak on April 7, 2017. / AFP PHOTO / Mohd RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images)

Jeon Hyeok-jin of South Korea hits a return against Lee Chong Wei of Malaysia during their men's singles quarter-final match at the Malaysia Open Badminton Superseries in Kuching, Sarawak on April 7, 2017. / AFP PHOTO / Mohd RASFAN        (Photo credit should read MOHD RASFAN/AFP/Getty Images)