Kazuo Onishi boxer
- bouts
- 10
- won
- 5
- lost
- 5
- draw
- 0
- Status
- inactive
- Division
- light flyweight
- Debut
- 2007-05-23
- Height
- 5′ 6″/168cm
- Reach
- -
- Age
- -
- Born
- 1987-12-16
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2010-12-23 | Takayuki Okumoto | WWDWWW | Prefectural Gymnasium, Osaka | LOST Unanimous decision |
| 2010-06-27 | Ryuji Hira | WLWLWW | Sangyo Hall, Hiroshima | WIN Technical knockout |
| 2010-02-28 | Yoshitomo Machida | WLWLLW | Bunka Center, Sanda | LOST Unanimous decision |
| 2009-11-01 | Takashi Omae | WLLWWD | IMP Hall, Osaka | LOST Unanimous decision |
| 2009-07-26 | Suguru Sato | WL | Sambo Hall, Kobe | WIN Unanimous decision |
| 2008-11-03 | Yuta Kawamoto | LLWWWD | Prefectural Gymnasium, Osaka | LOST Unanimous decision |
| 2008-08-30 | Noritomo Koganemaru | LWWLDW | Prefectural Gymnasium, Osaka | WIN Split-decision |
| 2008-07-20 | Takasho Nishimura | LLWWLW | IMP Hall, Osaka | WIN Unanimous decision |
| 2007-10-20 | Kazumasa Kitaoka | LL | Central Gym, Himeji | WIN Unanimous decision |
| 2007-05-23 | Kenta Omae | LD | Central Gym, Osaka | LOST Unanimous decision |