| Copa Libertadores 2000 - Appearances as Referee |  |
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| 15/02/2000 | Juventude - RS | - | El Nacional | 1:0 | - | - | - |
| 21/03/2000 | Nacional | - | Emelec | 1:0 | 4 | - | 1 |
| Copa Libertadores 2000 - Appearances as Referee | |
|
|
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| 15/02/2000 | Juventude - RS | - | El Nacional | 1:0 | - | - | - |
| 21/03/2000 | Nacional | - | Emelec | 1:0 | 4 | - | 1 |
| Complete name: | Robert Gustavo Troxler Ayala |
| Born: | |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |