Koichi Aso (Shamgar Koichi) boxer
- bouts
- 35
- won
- 25
- lost
- 9
- draw
- 1
- Status
- active
- Division
- super lightweight
- Debut
- 2006-06-28
- Height
- 5′ 8″/173cm
- Reach
- -
- Age
- 32
- Born
- 1986-03-15
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2021-12-14 | Rikki Naito | WWWWWW | Korakuen Hall | WIN Technical knockout |
| 2020-09-27 | Shogo Yamaguchi | DWLDLW | FujisanMesse, Fuji | LOST Majority decision |
| 2019-05-18 | Tatsuya Yanagi | LWWWWD | Sumida City Gymnasium | LOST Unanimous decision |
| 2018-11-09 | Noriaki Sato | WWWLLL | Korakuen Hall | WIN Unanimous decision |
| 2017-12-14 | Valentine Hosokawa | WWWLLW | Korakuen Hall | LOST Unanimous decision |
| 2017-06-08 | Yusuke Konno | LWLWWW | Korakuen Hall | WIN Technical knockout |
| 2017-02-09 | Kazuki Matsuyama | WWLWLD | Korakuen Hall | WIN Technical knockout |
| 2016-04-19 | Hiroki Okada | WWWWWW | Korakuen Hall | LOST Technical knockout |
| 2015-09-03 | Tatsuya Miyazaki | WWLWLL | Korakuen Hall | WIN Technical knockout |
| 2015-04-21 | Gabriel Royo | WLLLLW | Korakuen Hall | WIN Technical knockout |
| 2014-07-28 | Hiroki Okada | WWWWWW | Korakuen Hall | LOST Unanimous decision |
| 2014-04-10 | Takashi Inagaki | LWWWWL | Korakuen Hall | WIN KO |
| 2013-11-26 | Satoshi Momota | LWLLWL | Korakuen Hall | WIN Technical knockout |
| 2013-07-24 | Moon Hyon Yun | WWLWWL | Korakuen Hall | WIN |
| 2013-02-27 | Jung Hoon Yang | WWLLWL | Todoroki Arena, Kawasaki | LOST Unanimous decision |
| 2012-11-03 | Tomohiko Sakai | WWLWWW | Korakuen Hall | WIN Unanimous decision |
| 2012-07-10 | Juan Castillo Inami | WWWLWL | Korakuen Hall | WIN Technical knockout |
| 2012-02-28 | Tsuyoshi Ozawa | LWWDWW | Korakuen Hall | LOST Unanimous decision |
| 2011-10-15 | Shinya Iwabuchi | WWWWWW | Korakuen Hall | LOST Technical knockout |
| 2011-07-06 | Yoshitaka Katabami | LWWWLW | Korakuen Hall | WIN Unanimous decision |
| 2011-04-27 | Kazuyoshi Kumano | LLWLWL | Korakuen Hall | WIN Technical knockout |
| 2010-11-02 | Yusuke Kikuchi | WWWWWW | Korakuen Hall | WIN Technical knockout |
| 2010-05-15 | Taisho Ozawa | LWWWDW | Korakuen Hall | LOST Technical knockout |
| 2010-02-19 | Hiroki Morishita | WWWDLL | Korakuen Hall | WIN Technical knockout |
| 2009-06-14 | Kento Nakamura | WWLWWW | Korakuen Hall | WIN |
| 2009-02-07 | Hiroshi Abe | LWWWWL | Korakuen Hall | WIN Technical knockout |
| 2008-11-02 | Valentine Hosokawa | WLWWDW | Korakuen Hall | DRAW Points |
| 2008-09-26 | Ho-Chul Lee | WWWWWW | Korakuen Hall | WIN Unanimous decision |
| 2008-08-05 | Tomoyuki Tsushima | LWWLW | Korakuen Hall | WIN Technical knockout |
| 2008-05-27 | Masayoshi Kotake | WWLW | Korakuen Hall | WIN Majority decision |
| 2007-12-19 | Takahiro Abe | WLWLDW | Korakuen Hall | WIN Split-decision |
| 2007-08-17 | Akinori Kuramata | WLWDWD | Korakuen Hall | LOST Technical knockout |
| 2007-06-13 | Yuki Amanai | W | Korakuen Hall | WIN Technical knockout |
| 2006-09-04 | Nobuya Kasai | W | Korakuen Hall | WIN Technical knockout |
| 2006-06-28 | Yoshitaka Yamaguchi | debut | Korakuen Hall | WIN Technical knockout |