Ryoma Sakamoto boxer
- bouts
- 4
- won
- 0
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1987-06-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1996-09-22 | Hideyuki Furuhashi | LLWWLL | Kochi | LOST Technical knockout |
| 1988-12-18 | Takehito Nakano | WWWWLL | Himeji | LOST Technical knockout |
| 1988-03-13 | Eiji Yakushiji | WWWWLL | Matsuyama | LOST Points |
| 1987-06-23 | Mutsumi Suzuki | WWLLDW | Matsuyama | LOST Points |