Abel Gnecco - Football referee
| Copa Libertadores 1990 | ||||
| group stage | Vasco da Gama | Olimpia Asuncion | 1990-04-27 | 1 - 0 |
| Copa Libertadores 1989 | ||||
| 1/8 finals | Internacional | Peñarol | 1989-04-05 | 6 - 2 |
| Copa Libertadores 1988 | ||||
| group stage | Millonarios | América de Cali | 1988-06-30 | 2 - 3 |
| Copa Libertadores 1987 | ||||
| group stage | Independiente | Rosario Central | 1987-08-16 | 3 - 1 |
| Copa Libertadores 1986 | ||||
| group stage | Barcelona SC (ecu) | Coritiba FC | 1986-04-25 | 1 - 1 |
| Copa Libertadores 1985 | ||||
| 1/2 final stage | Argentinos Juniors | Independiente | 1985-09-16 | 2 - 2 |
| group stage | Ferrocarril Oeste | Argentinos Juniors | 1985-08-15 | 1 - 3 |
| group stage | Guaranà | Millonarios | 1985-03-12 | 2 - 0 |
| Copa Libertadores 1984 | ||||
| group stage | Independiente | Estudiantes | 1984-04-13 | 4 - 1 |
| Copa Libertadores 1983 | ||||
| 1/2 final stage | Peñarol | Nacional (UR) | 1983-07-05 | 2 - 0 |
| group stage | Blooming | Flamengo | 1983-04-05 | 0 - 0 |
| Copa Libertadores 1982 | ||||
| group stage | Gremio | Defensor Sporting | 1982-09-24 | 1 - 2 |
| Copa Libertadores 1981 | ||||
| group stage | Flamengo | Olimpia Asuncion | 1981-07-24 | 1 - 1 |
| group stage | River Plate | Rosario Central | 1981-05-19 | 3 - 2 |
| group stage | Bella Vista | Peñarol | 1981-05-06 | 0 - 0 |
| Copa America 1979 | ||||
| 1st stage | Paraguay | Ecuador | 1979-09-13 | 2 - 0 |
| Copa Libertadores 1979 | ||||
| group stage | Alianza Lima | Palmeiras | 1979-03-10 | 2 - 4 |
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