| Group 4 | 15/02/1971 | Cerro Porteño | - | Unión Española | 2:1 | ||||
| Group 4 | 18/02/1971 | Guaraní | - | Unión Española | 1:1 | ||||
| Group 4 | 06/03/1971 | Colo-Colo | - | Unión Española | 1:2 |  |
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| Group 4 | 13/03/1971 | Unión Española | - | Guaraní | 2:1 | ||||
| Group 4 | 20/03/1971 | Unión Española | - | Cerro Porteño | 0:0 | ||||
| Group 4 | 31/03/1971 | Unión Española | - | Colo-Colo | 1:1 | ||||
| Group B | 25/04/1971 | Barcelona | - | Unión Española | 1:0 | ||||
| Group B | 05/05/1971 | Unión Española | - | Barcelona | 3:1 | |
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| Group B | 12/05/1971 | Unión Española | - | Estudiantes | 0:1 | ||||
| Group B | 19/05/1971 | Estudiantes | - | Unión Española | 2:1 | |
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Chile