| Copa Libertadores 1971 - Appearances as Referee |  |
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| 07/02/1971 | Cerro Porteño | - | Guaraní | 1:1 | - | - | - |
| 06/03/1971 | Chaco Petrolero | - | Nacional | 0:1 | - | - | - |
| Copa Libertadores 1971 - Appearances as Referee | |
|
|
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| 07/02/1971 | Cerro Porteño | - | Guaraní | 1:1 | - | - | - |
| 06/03/1971 | Chaco Petrolero | - | Nacional | 0:1 | - | - | - |
| Complete name: | Arturo Andrés Ithurralde |
| Born: | 06/03/1934 |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |