Keita Yamaguchi boxer
- bouts
- 21
- won
- 8
- lost
- 12
- draw
- 1
- Status
- inactive
- Division
- bantamweight
- Debut
- 2003-05-27
- Height
- 5′ 4″/163cm
- Reach
- -
- Age
- -
- Born
- 1979-09-09
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2012-10-31 | Takuya Kogawa | WWWLWW | Korakuen Hall | LOST Technical knockout |
| 2012-01-20 | Takayasu Kobayashi | WWLWDL | Korakuen Hall | WIN Unanimous decision |
| 2011-08-16 | Tomoyuki Masuyama | LLWLLL | Todoroki Arena, Kawasaki | WIN Technical knockout |
| 2011-04-21 | Ken Achiwa | LWLLDL | Korakuen Hall | LOST Technical knockout |
| 2010-07-17 | Masafumi Okubo | WDWWWL | Korakuen Hall | LOST Technical knockout |
| 2010-02-19 | Masafumi Tonomura | LWWWDW | Korakuen Hall | LOST Unanimous decision |
| 2009-07-31 | Kai Komatsu | WWLWLW | Korakuen Hall | WIN Unanimous decision |
| 2009-03-19 | Daisuke Ochi | WWWWDL | Green Arena, Hiroshima | LOST Majority decision |
| 2008-10-19 | Ryuta Otsuka | WWDLLW | Athletic Park Gym, Sano | LOST Unanimous decision |
| 2008-07-23 | Kazuaki Shirai | LWWLLW | Korakuen Hall | LOST |
| 2008-03-01 | Hiromu Tamura | WLLWLL | Korakuen Hall | WIN Split-decision |
| 2007-12-04 | Hajime Funaki | WLLLLL | Korakuen Hall | DRAW Points |
| 2007-03-17 | Mamoru Murohashi | WDLWLW | Korakuen Hall | LOST KO |
| 2006-12-03 | Keita Nagayasu | WWW | Iwai Sogo Gym, Bando | WIN Unanimous decision |
| 2006-08-20 | Yoshinao Yoshizawa | WLLWLD | Bunka Gym, Yokohama | WIN Technical knockout |
| 2004-11-09 | Kazuaki Shirai | debut | Korakuen Hall | LOST Majority decision |
| 2004-08-24 | Hayato Ikeda | debut | Korakuen Hall | WIN KO |
| 2004-04-13 | Senzo Ikeda | W | Korakuen Hall | LOST Unanimous decision |
| 2003-11-16 | Chiharu Takasuka | debut | Sunpia Hall, Kochi | LOST Technical knockout |
| 2003-07-18 | Kenji Iwasaki | WWDDL | Korakuen Hall | LOST Unanimous decision |
| 2003-05-27 | Toshihiro Kubo | LWLW | Korakuen Hall | WIN Unanimous decision |