1952-05-19 Yoshio Shirai w pts 15 Dado Marino, Korakuen Stadium, Tokyo, Japan - WORLD
1952-05-19 Yoshio Shirai w pts 15 Dado Marino, Korakuen Stadium, Tokyo, Japan - WORLD. Referee: Kuniharu Hayashi. Scorecards: 149-145, 146-139, 149-146. Although not a classic the fight was grimly contested, with Shirai (111¾) making the most of his height and reach advantages and never allowing Marino (112) time to settle. There were no knockdowns.
By his victory, Shirai became the first Japanese-born fighter to win a world title, thus opening the door for a whole raft of future champions.