Ryo Kobayashi boxer
- bouts
- 9
- won
- 4
- lost
- 5
- draw
- 0
- Status
- inactive
- Division
- bantamweight
- Debut
- 2002-11-20
- Height
- 5′ 6″/168cm
- Reach
- -
- Age
- -
- Born
- 1981-12-08
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2006-01-09 | Ken Gojo | LWLLWW | Pacifico, Yokohama | WIN Technical knockout |
| 2005-04-01 | Koei Iwama | LWLDLD | Korakuen Hall | LOST Split-decision |
| 2005-02-16 | Tetsuo Matsutake | WWWDL | Korakuen Hall | LOST Majority decision |
| 2004-10-20 | Haruki Imai | WWLW | Korakuen Hall | LOST Technical knockout |
| 2004-05-24 | Takayuki Kameoka | WW | Korakuen Hall | LOST Unanimous decision |
| 2004-02-10 | Kenshi Kinoshita | LWLLW | Korakuen Hall | WIN Unanimous decision |
| 2003-11-17 | Kenichi Saito | W | Korakuen Hall | LOST Unanimous decision |
| 2003-08-08 | Chikara Masubuchi | LL | Korakuen Hall | WIN Split-decision |
| 2002-11-20 | Masateru Takahashi | debut | Korakuen Hall | WIN Technical knockout |