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| 1st(1st leg) | Swansea City | - | AS Monaco | 1:2 (0:2) | ||
| 2nd (2nd leg) | AS Monaco | - | Swansea City | 8:0 (5:0) | ||
| 1st(1st leg): 17/09/1991 | 2nd (2nd leg): 01/10/1991 | Winner: AS Monaco | ||||
| 1st(1st leg) | Hajduk Split | - | Tottenham Hotspur | 1:0 (0:0) | ||
| 2nd (2nd leg) | Tottenham Hotspur | - | Hajduk Split | 2:0 (2:0) | ||
| 1st(1st leg): 17/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Tottenham Hotspur | ||||
| 1st(1st leg) | Glenavon FC | - | Ilves Tampere | 3:2 (1:1) | ||
| 2nd (2nd leg) | Ilves Tampere | - | Glenavon FC | 2:1 (1:0) | ||
| 1st(1st leg): 17/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Ilves Tampere | ||||
| 1st(1st leg) | Valur Reykjavík | - | FC Sion | 0:1 (0:0) | ||
| 2nd (2nd leg) | FC Sion | - | Valur Reykjavík | 1:1 (0:0) | ||
| 1st(1st leg): 17/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: FC Sion | ||||
| 1st(1st leg) | FC Bacau | - | Werder Bremen | 0:6 (0:3) | ||
| 2nd (2nd leg) | Werder Bremen | - | FC Bacau | 5:0 (3:0) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 01/10/1991 | Winner: Werder Bremen | ||||
| 1st(1st leg) | Omonia Nikosia | - | Club Brugge KV | 0:2 (0:1) | ||
| 2nd (2nd leg) | Club Brugge KV | - | Omonia Nikosia | 2:0 (0:0) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Club Brugge KV | ||||
| 1st(1st leg) | IFK Norrköping | - | Jeunesse Esch | 4:0 (1:0) | ||
| 2nd (2nd leg) | Jeunesse Esch | - | IFK Norrköping | 1:2 (0:2) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: IFK Norrköping | ||||
| 1st(1st leg) | GKS Katowice | - | Motherwell FC | 2:0 (1:0) | ||
| 2nd (2nd leg) | Motherwell FC | - | GKS Katowice | 3:1 (1:0) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: GKS Katowice | ||||
| 1st(1st leg) | Odense BK | - | Baník Ostrava | 0:2 (0:1) | ||
| 2nd (2nd leg) | Baník Ostrava | - | Odense BK | 2:1 (0:1) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Baník Ostrava | ||||
| 1st(1st leg) | Levski Sofia | - | Ferencvárosi TC | 2:3 (1:1) | ||
| 2nd (2nd leg) | Ferencvárosi TC | - | Levski Sofia | 4:1 (2:0) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Ferencvárosi TC | ||||
| 1st(1st leg) | Athinaikos | - | Manchester United | 0:0 (0:0) | ||
| 2nd (2nd leg) | Manchester United | - | Athinaikos | 2:0 (0:0, 0:0) aet | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Manchester United | ||||
| 1st(1st leg) | Stahl Eisenhüttenstadt | - | Galatasaray | 1:2 (1:1) | ||
| 2nd (2nd leg) | Galatasaray | - | Stahl Eisenhüttenstadt | 3:0 (1:0) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Galatasaray | ||||
| 1st(1st leg) | Fyllingen Fotball | - | Atlético Madrid | 0:1 (0:1) | ||
| 2nd (2nd leg) | Atlético Madrid | - | Fyllingen Fotball | 7:2 (4:0) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Atlético Madrid | ||||
| 1st(1st leg) | FK Partizani | - | Feyenoord | 0:0 (0:0) | ||
| 2nd (2nd leg) | Feyenoord | - | FK Partizani | 1:0 (0:0) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: Feyenoord | ||||
| 1st(1st leg) | CSKA Moskva | - | AS Roma | 1:2 (0:0) | ||
| 2nd (2nd leg) | AS Roma | - | CSKA Moskva | 0:1 (0:1) | ||
| 1st(1st leg): 18/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: AS Roma | ||||
| 1st(1st leg) | Valletta FC | - | FC Porto | 0:3 (0:2) | ||
| 2nd (2nd leg) | FC Porto | - | Valletta FC | 1:0 (0:0) | ||
| 1st(1st leg): 19/09/1991 | 2nd (2nd leg): 02/10/1991 | Winner: FC Porto | ||||
