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| 1st(1st leg) | Real Madrid | - | AC Milan | 4:1 (2:0) | ||
| 2nd (2nd leg) | AC Milan | - | Real Madrid | 2:0 (1:0) | ||
| 1st(1st leg): 29/01/1964 | 2nd (2nd leg): 13/02/1964 | Winner: Real Madrid | ||||
| 1st(1st leg) | Partizan | - | Inter | 0:2 (0:0) | ||
| 2nd (2nd leg) | Inter | - | Partizan | 2:1 (2:0) | ||
| 1st(1st leg): 26/02/1964 | 2nd (2nd leg): 04/03/1964 | Winner: Inter | ||||
| 1st(1st leg) | PSV Eindhoven | - | FC Zürich | 1:0 (0:0) | ||
| 2nd (2nd leg) | FC Zürich | - | PSV Eindhoven | 3:1 (2:1) | ||
| 1st(1st leg): 04/03/1964 | 2nd (2nd leg): 11/03/1964 | Winner: FC Zürich | ||||
| 1st(1st leg) | AS Dukla Praha | - | Borussia Dortmund | 0:4 (0:1) | ||
| 2nd (2nd leg) | Borussia Dortmund | - | AS Dukla Praha | 1:3 (1:1) | ||
| 1st(1st leg): 04/03/1964 | 2nd (2nd leg): 18/03/1964 | Winner: Borussia Dortmund | ||||
