Goro Koyama boxeador
- combates
- 12
- ganados
- 3
- perdidos
- 6
- empates
- 3
- Estado
- inactive
- División
- featherweight
- Debut
- 1948-05-09
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- Japan
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1950-08-26 | Hideo Goto | WWWLLW | LOST Points |
|
| 1950-04-22 | Tsuneo Horiguchi | WLWDDL | Amagasaki | WIN Points |
| 1950-03-27 | Keijiro Kazama | WLLDD | Kyoto | LOST Points |
| 1950-02-19 | Baby Gustillo | WWWWWW | LOST Points |
|
| 1950-01-04 | Taro Aizawa | LWDWLD | Amagasaki | WIN Points |
| 1949-07-03 | George Kakuta | WDDLDW | Osaka | LOST Points |
| 1949-06-26 | Taro Aizawa | WLLLLW | Amagasaki | DRAW Points |
| 1949-04-14 | Taro Aizawa | LLWLLL | Kyoto | WIN Points |
| 1949-01-29 | Toru Takagi | DLWWWL | Amagasaki | DRAW Points |
| 1949-01-02 | Ryuzo Akimura | LWDWDW | Osaka | LOST Points |
| 1948-07-17 | Ryuzo Akimura | LLWDWD | Osaka | LOST Points |
| 1948-05-09 | Ryuzo Akimura | LDDLLW | Osaka | DRAW Points |