Hwang Sun-woo wins South Korea’s first back-to-back medals in the 200-meter freestyle South Korean swimming sensation Hwang Sun-woo has won bronze in the men’s 200-meter freestyle at the World Championships in a new South Korean record .Hwang is the first South Korean swimmer to win back-to-back medals at the World Championships .Hwang Sun-woo breaks Korean record in 200m freestyle…first medal at 스포츠토토존 back-to-back world championships South Korean swimming sensation Hwang Sun-woo has won a bronze medal in the men’s 200-meter freestyle at the World Championships in a new South Korean record .Hwang is the first South Korean swimmer to win back-to-back medals at the World Championships.