In May 1934, when Ukon was aKeio University student, he was selectedJapan national team for1934 Far Eastern Championship Games inManila. At this competition, on 15 May, he debuted againstPhilippines. In 1936, he was also selected Japan for1936 Summer Olympics inBerlin and scored a goal againstSweden. Japan completed a come-from-behind victory against Sweden. The first victory in Olympics for the Japan and the historic victory over one of the powerhouses became later known as "Miracle of Berlin" (ベルリンの奇跡) in Japan. In 2016, this team was selectedJapan Football Hall of Fame. He played 5 games and scored 1 goal for Japan until 1940.[3]
