| Copa Libertadores 1984 - Appearances as Referee |  |
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 |
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| 13/03/1984 | Universidad Católica | - | O'Higgins | 2:0 | - | - | - |
| 07/04/1984 | FBC Melgar | - | Portuguesa FC | 1:2 | - | - | - |
| 08/05/1984 | Nacional | - | 9 de Octubre | 6:0 | - | - | - |
| Copa Libertadores 1984 - Appearances as Referee | |
|
|
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| 13/03/1984 | Universidad Católica | - | O'Higgins | 2:0 | - | - | - |
| 07/04/1984 | FBC Melgar | - | Portuguesa FC | 1:2 | - | - | - |
| 08/05/1984 | Nacional | - | 9 de Octubre | 6:0 | - | - | - |
| Complete name: | Gastón Edmundo Castro Makuc |
| Born: | 23/08/1948 |
| Place of birth: |
Chile |
| Nationality: |
Chile |