Ryosuke Masui boxer
- bouts
- 2
- won
- 0
- lost
- 1
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 2009-07-05
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1979-11-19
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2009-12-19 | Yuya Hirata | debut | Kyuden Gym, Fukuoka | LOST Technical knockout |
| 2009-07-05 | Yuki Maruuchi | W | Kyushu Kyoritsu University, Kitakyushu | DRAW Majority decision |