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| 1st(1st leg) | Manchester United | - | SL Benfica | 3:2 (2:1) | ||
| 2nd (2nd leg) | SL Benfica | - | Manchester United | 1:5 (0:3) | ||
| 1st(1st leg): 02/02/1966 | 2nd (2nd leg): 09/03/1966 | Winner: Manchester United | ||||
| 1st(1st leg) | Inter | - | Ferencvárosi TC | 4:0 (2:0) | ||
| 2nd (2nd leg) | Ferencvárosi TC | - | Inter | 1:1 (1:0) | ||
| 1st(1st leg): 23/02/1966 | 2nd (2nd leg): 02/03/1966 | Winner: Inter | ||||
| 1st(1st leg) | RSC Anderlecht | - | Real Madrid | 1:0 (1:0) | ||
| 2nd (2nd leg) | Real Madrid | - | RSC Anderlecht | 4:2 (2:0) | ||
| 1st(1st leg): 23/02/1966 | 2nd (2nd leg): 09/03/1966 | Winner: Real Madrid | ||||
| 1st(1st leg) | TJ Sparta ČKD Praha | - | Partizan | 4:1 (1:1) | ||
| 2nd (2nd leg) | Partizan | - | TJ Sparta ČKD Praha | 5:0 (4:0) | ||
| 1st(1st leg): 02/03/1966 | 2nd (2nd leg): 09/03/1966 | Winner: Partizan | ||||
