Ken Oto boxer
- bouts
- 11
- won
- 1
- lost
- 9
- draw
- 1
- Status
- inactive
- Division
- heavyweight
- Debut
- 1975-12-08
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1979-06-12 | Super Riki | debut | Korakuen Hall | LOST Points |
| 1979-01-07 | Toshiaki Suzuki | WLWWLW | City Gymnasium, Kawasaki | LOST KO |
| 1978-10-12 | Cassius Naito | LLLLWL | LOST KO |
|
| 1977-11-05 | Toshiaki Suzuki | WWWL | Morioka | LOST KO |
| 1977-10-22 | Toshihiko Nagaoka | WDLWWW | Tsubame | LOST Points |
| 1977-01-25 | Toshiaki Suzuki | debut | LOST KO |
|
| 1976-07-08 | Toshihiko Nagaoka | WWDL | LOST Points |
|
| 1976-05-09 | Toshihiko Nagaoka | WWD | WIN KO |
|
| 1976-04-28 | Toshihiko Nagaoka | WW | Niigata | DRAW Points |
| 1976-01-26 | Toshihiko Nagaoka | W | LOST KO |
|
| 1975-12-08 | Toshihiko Nagaoka | debut | Takasaki | LOST KO |