RIO DE JANEIRO, BRAZIL - AUGUST 14: Wan Ho Son of Republic of Korea in action during his Badminton Mens Singles match against Artem Pochtarov of Ukraine on Day 9 of the Rio 2016 Olympic Games at Riocentro - Pavilion 4 on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Laurence Griffiths/Getty Images)
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