| Copa Libertadores 1964 - Appearances as Referee |  |
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| 03/04/1964 | Deportivo Italia | - | Bahia - BA | 0:0 | - | - | - |
| 08/04/1964 | Bahia - BA | - | Deportivo Italia | 1:2 | - | - | 1 |
| Copa Libertadores 1964 - Appearances as Referee | |
|
|
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| 03/04/1964 | Deportivo Italia | - | Bahia - BA | 0:0 | - | - | - |
| 08/04/1964 | Bahia - BA | - | Deportivo Italia | 1:2 | - | - | 1 |
| Complete name: | Olten Ayres de Abreu |
| Born: | |
| Place of birth: |
Brazil |
| Nationality: |
Brazil |