Koji Yamaguchi boxeador
- combates
- 14
- ganados
- 3
- perdidos
- 10
- empates
- 1
- Estado
- inactive
- División
- welterweight
- Debut
- 1957-09-28
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- Japan
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 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 |