| Season |  |  |  |  |  | |
|---|---|---|---|---|---|---|
| Boxing WBC Super flyweight | 0 | 0 | 0 | 0 | 0 | |
| Boxing WBC Flyweight | 0 | 0 | 0 | 0 | 0 |
Hirofumi Mukai
| Season | | | | | | |
|---|---|---|---|---|---|---|
| Boxing WBC Super flyweight | 0 | 0 | 0 | 0 | 0 | |
| Boxing WBC Flyweight | 0 | 0 | 0 | 0 | 0 |