Osamu Hirai boxer
- bouts
- 12
- won
- 0
- lost
- 7
- draw
- 5
- Status
- inactive
- Division
- featherweight
- Debut
- 1946-11-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1949-11-11 | Toshio Aoki | LLWWLW | DRAW Points |
|
| 1948-04-03 | Ichiro Kawada | DLWWLD | Osaka | LOST Points |
| 1948-03-19 | Taro Aizawa | WLLWLW | LOST Points |
|
| 1948-01-03 | Ichiro Kawada | WDLWWL | Osaka | DRAW Points |
| 1948-01-02 | Yataro Tsuyuzaki | DDWWWW | DRAW Points |
|
| 1947-11-10 | Shokichi Arai | DDWWWD | LOST Corner retirement |
|
| 1947-11-03 | Eiichi Moriwaki | WWWWWL | Yokohama | LOST Corner retirement |
| 1947-10-01 | Haruki Fumimoto | LDDDLW | DRAW Points |
|
| 1947-07-12 | Eiichi Moriwaki | LWWW | LOST Points |
|
| 1947-03-29 | Takeshi Sasazaki | WWWLWW | LOST Technical knockout |
|
| 1946-11-25 | Sueo Hirakawa | LLWLLL | Fuji | DRAW Points |
| 1946-11-23 | Motoharu Horiguchi | WWWLLD | LOST Technical knockout |