| Gender | Male |
|---|---|
| Height | 0' 0" |
| Weight Class | Flyweight |
Ayumu Koiwai is a MMA fighter with a amateur fight record of 2 wins, 0 losses and 0 draws
| Amateur Record: | 2-0-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 9 months, 13 days |
| Rounds Fought | 4.0 |
| Avg. Fights/Year | 2.7 |
| Longest Layoff | 9 months, 13 days |
| Quickest Turnaround | 9 months, 13 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| NSF | 02/18/2026 | W (1-0-0) | Hayato Inoue (0-1-0) | FLY | Decision (Unanimous Decision) Shooto: Lemino Shooto Vol. 3 | 2 | 03:00 | |
| NSF | 05/05/2025 | W (0-0-0) | Ko Ko (1-0-0) | FLY | Decision (Unanimous Decision) Deep - 125th Impact | 2 | 03:00 |
| * Bouts marked with an 'Official' logo denote results which have been verified by an ABC-recognized athletic commission * Bouts marked with an (*) are considered exhibition bouts and do not count towards the fighter's record * Weights marked with an (*) denote those over the limit for the weight class |