series
| July 31, 1981 | CL | 1981 | 3 | Atlético Mineiro | 2 - 2 | Cerro Porteño | 1 | |
| July 21, 1981 | CL | 1981 | 3 | Atlético Mineiro | 1 - 0 | Cerro Porteño | 1 |
scoreboard
| NASL | 1981 | Calgary Boomers | 3 - 2 | California Surf | McMahon Stadium | 1 |
| July 31, 1981 | CL | 1981 | 3 | Atlético Mineiro | 2 - 2 | Cerro Porteño | 1 | |
| July 21, 1981 | CL | 1981 | 3 | Atlético Mineiro | 1 - 0 | Cerro Porteño | 1 |
| NASL | 1981 | Calgary Boomers | 3 - 2 | California Surf | McMahon Stadium | 1 |