In 1934, Takenokoshi was named manager for the Japan national team for the 1934 Far Eastern Championship Games in Manila. In 1936, he served as assistant coach under manager Shigeyoshi Suzuki for 1936 Summer Olympics in Berlin. 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" () in Japan. In 2016, this team was selected Japan Football Hall of Fame. He also managed Japan from 1938 to 1940.