Osamu Sasaki boxer
- bouts
- 19
- won
- 15
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- flyweight
- Debut
- 1985-09-05
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1965-08-15
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1990-04-07 | Chong-Pil Kim | LLD | Korakuen Hall | LOST KO |
| 1989-12-17 | Yosuke Matsuoka | DWWWLD | Ichinoseki | LOST Unanimous decision |
| 1989-08-03 | Nobuyuki Sudo | DLLLWW | Korakuen Hall | WIN Technical knockout |
| 1989-05-28 | Cesar Perez | LLLWLW | WIN KO |
|
| 1989-03-11 | Byung Nam Park | LL | WIN KO |
|
| 1988-11-14 | Toshio Aikawa | WWWLWD | LOST Unanimous decision |
|
| 1988-09-12 | Masayuki Takahashi | WWLWLL | Korakuen Hall | WIN Technical knockout |
| 1988-07-11 | Norikazu Kawana | LLWLWL | Korakuen Hall | WIN KO |
| 1988-02-21 | Dash Higashiho | LLW | Osaka | WIN KO |
| 1987-12-23 | Yoshitaka Tashiro | debut | WIN Points |
|
| 1987-11-12 | Hidehito Fukui | debut | WIN Points |
|
| 1987-09-30 | Masamichi Komatsu | debut | WIN Points |
|
| 1987-08-17 | Naruhisa Nagayama | debut | Korakuen Hall | WIN KO |
| 1987-04-30 | Katsunori Zagabi | WL | Miyagi Sports Center, Sendai | WIN KO |
| 1987-01-08 | Makoto Suzuki | debut | Korakuen Hall | WIN Points |
| 1986-08-11 | Kenichi Kimura | WLWWWW | LOST KO |
|
| 1986-04-03 | Koichi Hasegawa | D | WIN KO |
|
| 1986-02-06 | Shinichiro Hiraiwa | W | Korakuen Hall | WIN Points |
| 1985-09-05 | Hiroki Ishizaki | debut | Korakuen Hall | WIN Points |