Olten Ayres Abreu - Football referee
| Copa Libertadores 1968 | ||||
| group stage | Universitario | Jorge Wilstermann | 1968-02-22 | 5 - 1 |
| group stage | Guaranà | Nacional (UR) | 1968-02-21 | 2 - 1 |
| group stage | Always Ready | Universitario | 1968-01-24 | 0 - 3 |
| Copa Libertadores 1962 | ||||
| group stage | Deportivo Municipal | Santos FC | 1962-02-18 | 3 - 4 |
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