| Copa Libertadores 1970 - Appearances as Referee |  |
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 |
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| 12/03/1970 | Club Olimpia | - | Guaraní | 0:0 | - | - | - |
| 19/03/1970 | Bolívar | - | Universitario de La Paz | 2:0 | - | - | - |
| Copa Libertadores 1970 - Appearances as Referee | |
|
|
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| 12/03/1970 | Club Olimpia | - | Guaraní | 0:0 | - | - | - |
| 19/03/1970 | Bolívar | - | Universitario de La Paz | 2:0 | - | - | - |
| Complete name: | Juan Oscar Ortubé Vargas |
| Born: | 24/05/1944 |
| Place of birth: |
Bolivia |
| Nationality: |
Bolivia |