Koji Yamamoto ha enfrentado a 24 oponentes a lo largo de su carrera.
| Player | Team(s) | Games |
|---|---|---|
| Vladimir Arzamaskov |
Soviet Union
(Olympics)
|
1 |
| Sergei Belov |
Soviet Union
(Olympics)
|
1 |
| Alexander Belov |
Soviet Union
(Olympics)
|
1 |
| Rafael Canizares |
Cuba
(Olympics)
|
1 |
| Pedro Chappe |
Cuba
(Olympics)
|
1 |
| Juan Carlos Domecq |
Cuba
(Olympics)
|
1 |
| Ivan Edeshko |
Soviet Union
(Olympics)
|
1 |
| Tomas Herrera |
Cuba
(Olympics)
|
1 |
| Ruperto Nicolas Herrera Tabio |
Cuba
(Olympics)
|
1 |
| Mikhail Korkia |
Soviet Union
(Olympics)
|
1 |
| Andrei Makeev |
Soviet Union
(Olympics)
|
1 |
| Valeri Miloserdov |
Soviet Union
(Olympics)
|
1 |
| Felix Morales |
Cuba
(Olympics)
|
1 |
| Anatolij Myshkin |
Soviet Union
(Olympics)
|
1 |
| Alejandro Ortiz |
Cuba
(Olympics)
|
1 |
| Angel Padron |
Cuba
(Olympics)
|
1 |
| Juan Roca |
Cuba
(Olympics)
|
1 |
| Alexandre Salnikov |
Soviet Union
(Olympics)
|
1 |
| Daniel Scott |
Cuba
(Olympics)
|
1 |
| Vladimir Tkatchenko |
Soviet Union
(Olympics)
|
1 |
| Alejandro Urgelles |
Cuba
(Olympics)
|
1 |
| Oscar Varona |
Cuba
(Olympics)
|
1 |
| Alzan Zarmuhamedov |
Soviet Union
(Olympics)
|
1 |
| Vladimir Zigili |
Soviet Union
(Olympics)
|
1 |