Katsuya Kobayashi boxer
- bouts
- 15
- won
- 8
- lost
- 7
- draw
- 0
- Status
- inactive
- Division
- super featherweight
- Debut
- 2004-05-05
- Height
- 5′ 5½″/167cm
- Reach
- -
- Age
- -
- Born
- 1985-03-20
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2009-11-08 | Masayuki Wakimoto | WWLWWW | City Sogo Gym, Takasago | LOST Technical knockout |
| 2009-08-02 | Ryota Kajiki | WWWLWW | IMP Hall, Osaka | LOST Technical knockout |
| 2009-03-01 | Shota Hayashi | WWWLLW | International Conference Hall, Nagoya | LOST Technical knockout |
| 2008-10-13 | Yuya Miyagi | WWWWDL | Shimizu Marine Building, Shizuoka | WIN Technical knockout |
| 2008-06-01 | Yuya Miyagi | WWWWWD | Bunka Hall, Shimoda | WIN |
| 2008-02-11 | Kenichi Yamaguchi | WWWWWW | IMP Hall, Osaka | LOST Technical knockout |
| 2006-12-10 | Takeshi Kawanami | LWWWWL | IMP Hall, Osaka | LOST Corner retirement |
| 2006-08-27 | Kenta Nii | LWLWLL | IMP Hall, Osaka | WIN Unanimous decision |
| 2006-04-09 | Masafumi Kawano | LWDLLW | IMP Hall, Osaka | LOST KO |
| 2005-12-11 | Kenji Fujimoto | LLLLLL | Abeno Gymnasium, Osaka | WIN Unanimous decision |
| 2005-07-31 | Takashi Oda | WL | Azalea Taisho, Osaka | WIN Unanimous decision |
| 2005-04-24 | Hiroyuki Morikawa | WL | Shingu Sports Center | LOST Split-decision |
| 2004-11-07 | Shohei Nakagawa | WDW | IMP Hall, Osaka | WIN Split-decision |
| 2004-07-04 | Yuki Oyamada | L | IMP Hall, Osaka | WIN KO |
| 2004-05-05 | Yasuyuki Kanemitsu | debut | Azalea Taisho, Osaka | WIN KO |