| Copa Libertadores 1990 - Appearances as Referee |  |
 |
 |
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| 20/03/1990 | Progreso | - | Defensor Sporting | 1:1 | - | - | - |
| 17/05/1990 | Universidad Católica | - | Unión Huaral | 2:2 | - | - | - |
| Copa Libertadores 1990 - Appearances as Referee | |
|
|
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| 20/03/1990 | Progreso | - | Defensor Sporting | 1:1 | - | - | - |
| 17/05/1990 | Universidad Católica | - | Unión Huaral | 2:2 | - | - | - |
| Complete name: | Eduardo Dluzniewski |
| Born: | |
| Place of birth: |
Uruguay |
| Nationality: |
Uruguay |