| Copa Libertadores 1983 - Appearances as Referee |  |
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 |
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| 14/04/1983 | Blooming | - | Bolívar | 3:0 | - | - | 1 |
| 26/04/1983 | América de Cali | - | Alianza Lima | 2:0 | - | - | 1 |
| Copa Libertadores 1983 - Appearances as Referee | |
|
|
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| 14/04/1983 | Blooming | - | Bolívar | 3:0 | - | - | 1 |
| 26/04/1983 | América de Cali | - | Alianza Lima | 2:0 | - | - | 1 |
| Complete name: | Gastón Edmundo Castro Makuc |
| Born: | 23/08/1948 |
| Place of birth: |
Chile |
| Nationality: |
Chile |