| Copa Libertadores 1984 - Appearances as Referee |  |
 |
 |
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| 24/03/1984 | ULA Mérida | - | Sporting Cristal | 0:1 | - | - | 1 |
| 02/04/1984 | Atlético Junior | - | Santos FC | 0:3 | - | - | 1 |
| Copa Libertadores 1984 - Appearances as Referee | |
|
|
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| 24/03/1984 | ULA Mérida | - | Sporting Cristal | 0:1 | - | - | 1 |
| 02/04/1984 | Atlético Junior | - | Santos FC | 0:3 | - | - | 1 |
| Complete name: | Juan Oscar Ortubé Vargas |
| Born: | 24/05/1944 |
| Place of birth: |
Bolivia |
| Nationality: |
Bolivia |