| Copa Libertadores 1989 - Appearances as Referee |  |
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 |
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| 20/02/1989 | The Strongest | - | Peñarol | 1:2 | - | - | - |
| 29/03/1989 | Sol de América | - | Club Olimpia | 5:4 | - | - | - |
| Copa Libertadores 1989 - Appearances as Referee | |
|
|
||||
| 20/02/1989 | The Strongest | - | Peñarol | 1:2 | - | - | - |
| 29/03/1989 | Sol de América | - | Club Olimpia | 5:4 | - | - | - |
| Complete name: | Estanislao Barrientos |
| Born: | |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |