Goro Koyama boxer
- bouts
- 12
- won
- 3
- lost
- 6
- draw
- 3
- Status
- inactive
- Division
- featherweight
- Debut
- 1948-05-09
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 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 |