series
| July 28, 1978 | CL | 1978 | 2 | Alianza Lima | 5 - 1 | Oriente Petrolero | 1 | |
| July 12, 1978 | CL | 1978 | 2 | Alianza Lima | 4 - 0 | Oriente Petrolero | 1 |
scoreboard
| ARG-BA | 1978 | 20 | Boca Juniors | 4 - 0 | Estudiantes de Caseros | La Bombonera | 1 |
| July 28, 1978 | CL | 1978 | 2 | Alianza Lima | 5 - 1 | Oriente Petrolero | 1 | |
| July 12, 1978 | CL | 1978 | 2 | Alianza Lima | 4 - 0 | Oriente Petrolero | 1 |
| ARG-BA | 1978 | 20 | Boca Juniors | 4 - 0 | Estudiantes de Caseros | La Bombonera | 1 |