| 1er tour | 02.09.1970 | Željezničar Sarajevo | - | RSC Anderlecht | 3:4 | ||||
| 1er tour | 16.09.1970 | RSC Anderlecht | - | Željezničar Sarajevo | 5:4 |  |
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| 2e tour | 21.10.1970 | Akademisk BK | - | RSC Anderlecht | 1:3 | ||||
| 2e tour | 04.11.1970 | RSC Anderlecht | - | Akademisk BK | 4:0 | |
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| tour des 16 | 09.12.1970 | RSC Anderlecht | - | Vitória Setúbal | 2:1 | ||||
| tour des 16 | 23.12.1970 | Vitória Setúbal | - | RSC Anderlecht | 3:1 ap |
Belgique