HANGZHOU, China – South Korean fencer Oh Sang-uk claimed the gold medal in the men’s individual sabre at the 19th Asian Games in China, ending a decadelong Asiad reign by his compatriot Gu Bon-gil. Oh beat Gu 15-7 in the all-Korean gold medal match held at Hangzhou Dianzi University Gymnasium in Hangzhou, revenging the Gu-Oh showdown held five years ago. It is Oh’s first Asian Games title and the country’s se…