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| 1st(1st leg) | Admira/Wacker | - | Bologna FC | 3:0 (2:0) | ||
| 2nd (2nd leg) | Bologna FC | - | Admira/Wacker | 6:5 (1:0, 3:0, 3:0) pso | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: Bologna FC | ||||
| 1st(1st leg) | RSC Anderlecht | - | Borussia Dortmund | 1:0 (0:0) | ||
| 2nd (2nd leg) | Borussia Dortmund | - | RSC Anderlecht | 2:1 (0:1) | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: RSC Anderlecht | ||||
| 1st(1st leg) | Brøndby IF | - | Bayer Leverkusen | 3:0 (1:0) | ||
| 2nd (2nd leg) | Bayer Leverkusen | - | Brøndby IF | 0:0 (0:0) | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: Brøndby IF | ||||
| 1st(1st leg) | Inter | - | Partizan | 3:0 (1:0) | ||
| 2nd (2nd leg) | Partizan | - | Inter | 1:1 (0:0) | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: Inter | ||||
| 1st(1st leg) | AS Roma | - | Girondins Bordeaux | 5:0 (2:0) | ||
| 2nd (2nd leg) | Girondins Bordeaux | - | AS Roma | 0:2 (0:0) | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: AS Roma | ||||
| 1st(1st leg) | Vitesse | - | Sporting CP | 0:2 (0:2) | ||
| 2nd (2nd leg) | Sporting CP | - | Vitesse | 2:1 (1:0) | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: Sporting CP | ||||
| 1st(1st leg) | 1. FC Köln | - | Atalanta | 1:1 (0:0) | ||
| 2nd (2nd leg) | Atalanta | - | 1. FC Köln | 1:0 (1:0) | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: Atalanta | ||||
| 1st(1st leg) | Torpedo Moskva | - | AS Monaco | 2:1 (2:0) | ||
| 2nd (2nd leg) | AS Monaco | - | Torpedo Moskva | 1:2 (0:0) | ||
| 1st(1st leg): 28/11/1990 | 2nd (2nd leg): 12/12/1990 | Winner: Torpedo Moskva | ||||
