Ryūsei Matsumoto
Ryūsei Matsumoto is a Japanese professional boxer who has held the World Boxing Association mini-flyweight title since September 2025.
Professional career
Matsumoto turned professional in 2023. He beat Filipino contender John Kevin Jimenez, via fourth round knockout in 2025. On 14 September that year, he defeated compatriot, Yuni Takada, by technical decision to win the vacant WBA (Regular) mini-flyweight title.Professional boxing record
| No. | Result | Record | Opponent | Type | Round, time | Date | Location | Notes |
| 7 | Win | 7–0 | Yuni Takada | TD | 5, 1:26 | 2025-09-14 | IG Arena, Nagoya, Japan | Won vacant WBA (Regular) mini-flyweight title; Unanimous TD: Takada was knocked out by an accidental clash of heads |
| 6 | Win | 6–0 | John Kevin Jimenez | KO | 4, 1:44 | 2025-06-07 | Korakuen Hall, Tokyo, Japan | |
| 5 | Win | 5–0 | Masatora Okada | KO | 4, 1:22 | 2025-02-01 | Korakuen Hall, Tokyo, Japan | Retained Japanese mini-flyweight title |
| 4 | Win | 4–0 | Katsuki Mori | TKO | 7, 0:59 | 2024-09-25 | Korakuen Hall, Tokyo, Japan | Won vacant Japanese mini-flyweight title |
| 3 | Win | 3–0 | Jomar Caindog | UD | 8 | 2024-02-03 | Korakuen Hall, Tokyo, Japan | |
| 2 | Win | 2–0 | Darwin Boyones | UD | 6 | 2023-09-02 | Korakuen Hall, Tokyo, Japan | |
| 1 | Win | 1–0 | Erson Trinidad | KO | 3, 2:48 | 2023-02-04 | Korakuen Hall, Tokyo, Japan |