| Copa Libertadores 1977 - Appearances as Referee |  |
 |
 |
||||
| 17/05/1977 | Sport Boys | - | Estudiantes de Mérida | 1:3 | - | - | - |
| Copa Libertadores 1977 - Appearances as Referee | |
|
|
||||
| 17/05/1977 | Sport Boys | - | Estudiantes de Mérida | 1:3 | - | - | - |
| Complete name: | Juan Oscar Ortubé Vargas |
| Born: | 24/05/1944 |
| Place of birth: |
Bolivia |
| Nationality: |
Bolivia |