In May 1934, when Tatsuhara was a Waseda University student, he was selected the Japan national team for Far Eastern Championship Games in Manila. At this competition, on May 13, he debuted against Dutch East Indies. In 1936, he was also selected Japan for 1936 Summer Olympics in Berlin. Japan completed a come-from-behind victory first game 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" () in Japan. In 2016, this team was selected Japan Football Hall of Fame. He played 4 games for Japan until 1936.