Koichi Onuki boxer
- bouts
- 2
- won
- 0
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- featherweight
- Debut
- 1931-06-29
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1931-08-11 | Kikuo Matsunaga | LWWDLD | LOST Points |
|
| 1931-06-29 | Kikuo Matsunaga | WL | LOST KO |