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| 1st(1st leg) | Borussia Dortmund | - | Sampdoria | 1:1 (0:0) | ||
| 2nd (2nd leg) | Sampdoria | - | Borussia Dortmund | 2:0 (0:0) | ||
| 1st(1st leg): 17/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: Sampdoria | ||||
| 1st(1st leg) | AS Monaco | - | BFC Dynamo | 0:0 (0:0) | ||
| 2nd (2nd leg) | BFC Dynamo | - | AS Monaco | 1:1 (0:0, 0:0) aet | ||
| 1st(1st leg): 17/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: AS Monaco | ||||
| 1st(1st leg) | RSC Anderlecht | - | FC Barcelona | 2:0 (1:0) | ||
| 2nd (2nd leg) | FC Barcelona | - | RSC Anderlecht | 2:1 (0:0, 2:0) aet | ||
| 1st(1st leg): 18/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: RSC Anderlecht | ||||
| 1st(1st leg) | FC Groningen | - | Partizan | 4:3 (2:2) | ||
| 2nd (2nd leg) | Partizan | - | FC Groningen | 3:1 (1:0) | ||
| 1st(1st leg): 18/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: Partizan | ||||
| 1st(1st leg) | Admira/Wacker | - | Ferencvárosi TC | 1:0 (0:0) | ||
| 2nd (2nd leg) | Ferencvárosi TC | - | Admira/Wacker | 0:1 (0:0) | ||
| 1st(1st leg): 18/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: Admira/Wacker | ||||
| 1st(1st leg) | Real Valladolid | - | Djurgårdens IF | 2:0 (2:0) | ||
| 2nd (2nd leg) | Djurgårdens IF | - | Real Valladolid | 2:2 (1:0) | ||
| 1st(1st leg): 18/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: Real Valladolid | ||||
| 1st(1st leg) | Panathinaikos | - | Dinamo Bucureşti | 0:2 (0:0) | ||
| 2nd (2nd leg) | Dinamo Bucureşti | - | Panathinaikos | 6:1 (3:1) | ||
| 1st(1st leg): 18/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: Dinamo Bucureşti | ||||
| 1st(1st leg) | Torpedo Moskva | - | Grasshopper Club Zürich | 1:1 (1:0) | ||
| 2nd (2nd leg) | Grasshopper Club Zürich | - | Torpedo Moskva | 3:0 (2:0) | ||
| 1st(1st leg): 18/10/1989 | 2nd (2nd leg): 01/11/1989 | Winner: Grasshopper Club Zürich | ||||
