{"title":"Ryūsei Matsumoto","name":"Ryūsei Matsumoto","sport":"boxing","image":null,"description":"Japanese boxer (born 1998)","qid":"Q130726622","pv":890,"nickname":null,"born":"1998-05-14","died":null,"birthplace":"Takasago, Hyōgo, Japan","iso":"JP","country":"Japonya","height":160,"reach":156,"stance":"Southpaw","division":"minimumweight","divisions":["Mini-flyweight"],"team":null,"org":null,"grap":null,"legend":false,"champ":true,"record":{"wins":9,"losses":0,"draws":0,"nc":0,"ko":4,"sub":0,"dec":5,"total":9,"lossesByKo":0,"lossesBySub":0,"lossesByDec":0,"streak":{"type":"W","n":9},"bestStreak":9,"firstFight":"2023-02-04","lastFight":"2026-09-27","firstLossTo":null,"titleFights":4,"titlesWon":5},"otherRecord":null,"fights":[{"result":"W","record":"9–0","opponent":"Russell Acosta Silveira","method":"UD","kind":"DEC","round":"12","time":null,"date":"2026-09-27","event":null,"location":"Toyota Arena Tokyo, Tokyo, Japan","notes":"Won vacant WBO interim mini-flyweight title","opponentSlug":null},{"result":"W","record":"8–0","opponent":"Yuni Takada","method":"UD","kind":"DEC","round":"12","time":null,"date":"2026-03-15","event":null,"location":"Yokohama Buntai, Yokohama, Japan","notes":"Retained WBA (Regular) mini-flyweight title","opponentSlug":null},{"result":"W","record":"7–0","opponent":"Yuni Takada","method":"TD","kind":"DEC","round":"5/12","time":"1:26","date":"2025-09-14","event":null,"location":"IG Arena, Nagoya, Japan","notes":"Won vacant WBA (Regular) mini-flyweight title;Unanimous TD: Takada was knocked out by an accidental clash of heads","opponentSlug":null},{"result":"W","record":"6–0","opponent":"John Kevin Jimenez","method":"KO","kind":"KO","round":"4/10","time":"1:44","date":"2025-06-07","event":null,"location":"Korakuen Hall, Tokyo, Japan","notes":"","opponentSlug":null},{"result":"W","record":"5–0","opponent":"Masatora Okada","method":"KO","kind":"KO","round":"4/10","time":"1:22","date":"2025-02-01","event":null,"location":"Korakuen Hall, Tokyo, Japan","notes":"Retained Japanese mini-flyweight title","opponentSlug":null},{"result":"W","record":"4–0","opponent":"Katsuki Mori","method":"TKO","kind":"KO","round":"7/10","time":"0:59","date":"2024-09-25","event":null,"location":"Korakuen Hall, Tokyo, Japan","notes":"Won vacant Japanese mini-flyweight title","opponentSlug":null},{"result":"W","record":"3–0","opponent":"Jomar Caindog","method":"UD","kind":"DEC","round":"8","time":null,"date":"2024-02-03","event":null,"location":"Korakuen Hall, Tokyo, Japan","notes":"","opponentSlug":null},{"result":"W","record":"2–0","opponent":"Darwin Boyones","method":"UD","kind":"DEC","round":"6","time":null,"date":"2023-09-02","event":null,"location":"Korakuen Hall, Tokyo, Japan","notes":"","opponentSlug":null},{"result":"W","record":"1–0","opponent":"Erson Trinidad","method":"KO","kind":"KO","round":"3/6","time":"2:48","date":"2023-02-04","event":null,"location":"Korakuen Hall, Tokyo, Japan","notes":"","opponentSlug":null}],"women":false,"slug":"ryusei-matsumoto","eloHist":[[2023,1187],[2024,1242],[2025,1326],[2026,1350]],"elo":1110,"eloPeak":null,"eloPeakYear":null}