| Copa Libertadores 2001 - Appearances as Referee |  |
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 |
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| 13/02/2001 | Defensor Sporting | - | Olmedo | 3:2 | 3 | - | - |
| 05/03/2001 | River Plate | - | Guaraní | 4:0 | 5 | - | - |
| Copa Libertadores 2001 - Appearances as Referee | |
|
|
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| 13/02/2001 | Defensor Sporting | - | Olmedo | 3:2 | 3 | - | - |
| 05/03/2001 | River Plate | - | Guaraní | 4:0 | 5 | - | - |
| Complete name: | Guido Augustin Aros Alvarado |
| Born: | 23/11/1965 |
| Place of birth: |
Chile |
| Nationality: |
Chile |