Koichiro Sakamoto boxeador
- combates
- 7
- ganados
- 5
- perdidos
- 1
- empates
- 1
- Estado
- inactive
- División
- super lightweight
- Debut
- 2002-01-14
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- Japan
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 2003-08-10 | Seishu Iida | WWWLWW | UMK Studio, Miyazaki | LOST Unanimous decision |
| 2003-06-15 | Koei Yanagida | D | Hakata Star Lane | WIN KO |
| 2003-03-16 | Hiroshi Ikehata | DLD | Zepp, Fukuoka | WIN Unanimous decision |
| 2002-12-15 | Daisuke Suefuji | W | University Gym, Tokuyama | WIN Technical knockout |
| 2002-11-02 | Nagaomi Maruo | WLL | Zepp, Fukuoka | WIN KO |
| 2002-03-17 | Nobuaki Nikemoto | debut | Hakata Star Lane | WIN Unanimous decision |
| 2002-01-14 | Hiroshi Ikehata | debut | Kokura Kita Gym | DRAW Points |