| Copa Libertadores 1988 - Appearances as Referee |  |
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 |
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| 28/07/1988 | Bolívar | - | Cerro Porteño | 2:0 | - | - | - |
| 13/09/1988 | Newell's Old Boys | - | Bolívar | 3:2 pso | - | - | - |
| 05/10/1988 | Nacional | - | América de Cali | 1:0 | - | - | - |
| Copa Libertadores 1988 - Appearances as Referee | |
|
|
||||
| 28/07/1988 | Bolívar | - | Cerro Porteño | 2:0 | - | - | - |
| 13/09/1988 | Newell's Old Boys | - | Bolívar | 3:2 pso | - | - | - |
| 05/10/1988 | Nacional | - | América de Cali | 1:0 | - | - | - |
| Complete name: | Sergio Vázquez |
| Born: | |
| Place of birth: |
Chile |
| Nationality: |
Chile |