Koji Yamaguchi boxer
- bouts
- 14
- won
- 3
- lost
- 10
- draw
- 1
- Status
- inactive
- Division
- welterweight
- Debut
- 1957-09-28
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1962-02-11 | Shoji Kawaguchi | WWLWLD | LOST KO |
|
| 1961-11-17 | Yoshinori Takahashi | WLW | LOST KO |
|
| 1961-10-29 | Shoji Kawaguchi | WWWWWL | Chukyo University Gym, Nagoya | LOST Points |
| 1961-04-12 | Shoji Kawaguchi | WWWW | Korakuen Gym | LOST Points |
| 1960-11-09 | Hachiro Yamada | LLLLLW | Nagoya | LOST KO |
| 1960-07-21 | Makoto Watanabe | WWWWWD | LOST Points |
|
| 1960-06-30 | Hachiro Yamada | WLLLLL | WIN Points |
|
| 1960-05-26 | Toshio Okuyama | DLWWLL | DRAW Points |
|
| 1960-01-27 | Hideo Oishi | WWWWWW | LOST Points |
|
| 1959-04-08 | Sakuji Shinozawa | WWWWDW | LOST KO |
|
| 1958-12-21 | Sakuji Shinozawa | WWWWWW | LOST Points |
|
| 1958-12-05 | Hachiro Yamada | LWLDWW | WIN Points |
|
| 1957-11-20 | Hachiro Ito | LLWLWW | LOST KO |
|
| 1957-09-28 | Sakuji Shinozawa | W | WIN Points |