| Copa Libertadores 1991 - Appearances as Referee |  |
 |
 |
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| 25/02/1991 | Deportes Concepción | - | Barcelona | 1:0 | - | - | - |
| 05/03/1991 | Universitario de Deportes | - | Sport Boys | 1:3 | - | - | 1 |
| Copa Libertadores 1991 - Appearances as Referee | |
|
|
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| 25/02/1991 | Deportes Concepción | - | Barcelona | 1:0 | - | - | - |
| 05/03/1991 | Universitario de Deportes | - | Sport Boys | 1:3 | - | - | 1 |
| Complete name: | Sergio Leiblinger |
| Born: | 05/04/1942 |
| Place of birth: |
Peru |
| Nationality: |
Peru |