Hironori Koyama boxer
- bouts
- 2
- won
- 2
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- super featherweight
- Debut
- 1990-12-19
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1991-02-16 | Yutaka Nishida | WWWWW | WIN KO |
|
| 1990-12-19 | Otsun Kazuki | WWLW | WIN KO |