Ayumu Kobayashi boxer
- bouts
- 12
- won
- 5
- lost
- 5
- draw
- 2
- Status
- inactive
- Division
- bantamweight
- Debut
- 2005-07-29
- Height
- 5′ 5″/165cm
- Reach
- -
- Age
- -
- Born
- 1983-12-02
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2009-10-04 | Yuki Murai | LLLWLW | IMP Hall, Osaka | LOST Majority decision |
| 2009-04-26 | Jerope Mercado | WWWWWW | Sambo Hall, Kobe | LOST Technical knockout |
| 2008-10-17 | Tatsuhiro Kumobayashi | WWWW | Edogawa Sports Center | WIN Technical knockout |
| 2008-03-23 | Masahiro Kawashima | LWWWLL | Industrial Hall, Gifu | LOST Unanimous decision |
| 2007-12-16 | Masaharu Miyaguchi | DLWLLL | Incubation Center, Amagasaki | WIN Unanimous decision |
| 2007-08-25 | Munekazu Kato | WWLWWW | Prefectural Gymnasium, Osaka | LOST Majority decision |
| 2007-07-08 | Yasuhiro Fujio | WLWW | IMP Hall, Osaka | WIN Unanimous decision |
| 2007-04-29 | Shogo Miura | LWL | IMP Hall, Osaka | WIN Unanimous decision |
| 2006-10-09 | Kazunori Maekawa | debut | Azalea Taisho, Osaka | DRAW |
| 2006-05-04 | Yudai Matsumoto | WDLLD | Azalea Taisho, Osaka | LOST Split-decision |
| 2005-11-06 | Keisuke Sonobe | DWDW | IMP Hall, Osaka | DRAW Points |
| 2005-07-29 | Tatsuya Kawamoto | L | Prefectural Gymnasium, Osaka | WIN KO |
