Koshiro Yamamoto boxer
- bouts
- 16
- won
- 7
- lost
- 7
- draw
- 2
- Status
- inactive
- Division
- bantamweight
- Debut
- 2004-12-11
- Height
- 5′ 5½″/166cm
- Reach
- -
- Age
- -
- Born
- 1985-05-16
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2011-07-16 | Yuki Takemoto | LLLLWW | Ohama Gym, Sakai | LOST Unanimous decision |
| 2010-05-09 | Yu Kawaguchi | LWWWWW | IMP Hall, Osaka | LOST Unanimous decision |
| 2010-03-07 | Satoru Uchida | LLDLWL | IMP Hall, Osaka | WIN Corner retirement |
| 2009-08-30 | Yudai Matsumoto | LWWLWL | Prefectural Gymnasium, Osaka | LOST Unanimous decision |
| 2008-06-08 | Yasuyuki Takahashi | LWDLLW | IMP Hall, Osaka | WIN Unanimous decision |
| 2008-03-23 | Junpei Horie | LWLLLL | KBS Hall, Kyoto | WIN Unanimous decision |
| 2007-10-20 | Toshitada Utsumi | WLWWDW | Central Gym, Himeji | LOST Technical knockout |
| 2006-11-17 | Akira Umano | WWWWLW | Prefectural Gymnasium, Osaka | LOST Unanimous decision |
| 2006-09-02 | Tomoaki Hashizume | DWWWW | Prefectural Gymnasium, Osaka | LOST Unanimous decision |
| 2006-07-09 | Akira Umano | WWWW | IMP Hall, Osaka | WIN Majority decision |
| 2006-06-04 | Takayoshi Ochi | WL | Azalea Taisho, Osaka | DRAW Points |
| 2005-12-23 | Yuhei Kabayama | LWLWL | KBS Hall, Kyoto | DRAW Points |
| 2005-09-03 | Koki Ikai | WDWW | Prefectural Gymnasium, Osaka | LOST Split-decision |
| 2005-07-31 | Kiyoto Iida | WWWLWW | Azalea Taisho, Osaka | WIN Majority decision |
| 2005-04-16 | Yudai Matsumoto | WDL | KBS Hall, Kyoto | WIN Majority decision |
| 2004-12-11 | Ryo Amo | debut | KBS Hall, Kyoto | WIN KO |
