| Copa Libertadores 1971 - Appearances as Referee |  |
 |
 |
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| 10/02/1971 | Deportivo Italia | - | Palmeiras | 0:3 | - | - | - |
| 01/03/1971 | Sporting Cristal | - | Boca Juniors | 2:0 | - | - | - |
| 14/04/1971 | Universitario de Deportes | - | Palmeiras | 1:2 | - | - | - |
| Copa Libertadores 1971 - Appearances as Referee | |
|
|
||||
| 10/02/1971 | Deportivo Italia | - | Palmeiras | 0:3 | - | - | - |
| 01/03/1971 | Sporting Cristal | - | Boca Juniors | 2:0 | - | - | - |
| 14/04/1971 | Universitario de Deportes | - | Palmeiras | 1:2 | - | - | - |
| Complete name: | Guillermo Velásquez Elizalde |
| Born: | 00/00/1933 |
| Place of birth: |
Pereira, 
Colombia |
| Nationality: |
Colombia |