Hiroki Horiike TKO7 Yoon Tak... On Saturday at Tokyo’s iconic Korakuen Hall, junior welterweight Hiroki Horiike retained his OPBF regional title by stopping Yoon Tak (7-3-1) of South Korea. From the opening bell, Horiike (9-0) imposed his conditions on the bout, dictating the tempo with accurate combinations and control of distance. He also had realized the punishment the South Korean challenger was receiving, and declared the TKO in favor of Horiike.