| Copa Libertadores 2003 - Appearances as Referee |  |
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 |
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| 04/02/2003 | Grêmio Porto Alegre | - | Pumas UNAM | 3:2 | 2 | - | - |
| 27/03/2003 | Cerro Porteño | - | Paysandu - PA | 2:6 | 3 | 1 | - |
| Copa Libertadores 2003 - Appearances as Referee | |
|
|
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| 04/02/2003 | Grêmio Porto Alegre | - | Pumas UNAM | 3:2 | 2 | - | - |
| 27/03/2003 | Cerro Porteño | - | Paysandu - PA | 2:6 | 3 | 1 | - |
| Complete name: | Claudio Mario Martín |
| Born: | 31/01/1962 |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |