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| 1st(1st leg) | Rabat Ajax | - | Partizan | 0:2 (0:0) | ||
| 2nd (2nd leg) | Partizan | - | Rabat Ajax | 2:0 (1:0) | ||
| 1st(1st leg): 12/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Partizan | ||||
| 1st(1st leg) | Red Boys Differdange | - | AFC Ajax | 0:0 (0:0) | ||
| 2nd (2nd leg) | AFC Ajax | - | Red Boys Differdange | 14:0 (5:0) | ||
| 1st(1st leg): 18/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: AFC Ajax | ||||
| 1st(1st leg) | Glentoran FC | - | Standard Liège | 1:1 (1:0) | ||
| 2nd (2nd leg) | Standard Liège | - | Glentoran FC | 2:0 (1:0) | ||
| 1st(1st leg): 18/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Standard Liège | ||||
| 1st(1st leg) | Bohemian FC | - | Rangers FC | 3:2 (2:2) | ||
| 2nd (2nd leg) | Rangers FC | - | Bohemian FC | 2:0 (0:0) | ||
| 1st(1st leg): 18/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Rangers FC | ||||
| 1st(1st leg) | KR Reykjavík | - | Queens Park Rangers | 0:3 (0:1) | ||
| 2nd (2nd leg) | Queens Park Rangers | - | KR Reykjavík | 4:0 (3:0) | ||
| 1st(1st leg): 18/09/1984 | 2nd (2nd leg): 02/10/1984 | Winner: Queens Park Rangers | ||||
| 1st(1st leg) | Videoton SC | - | ASVS Dukla Praha | 1:0 (1:0) | ||
| 2nd (2nd leg) | ASVS Dukla Praha | - | Videoton SC | 0:0 (0:0) | ||
| 1st(1st leg): 18/09/1984 | 2nd (2nd leg): 02/10/1984 | Winner: Videoton SC | ||||
| 1st(1st leg) | Real Madrid | - | SSW Innsbruck | 5:0 (2:0) | ||
| 2nd (2nd leg) | SSW Innsbruck | - | Real Madrid | 2:0 (1:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Real Madrid | ||||
| 1st(1st leg) | Real Valladolid | - | HNK Rijeka | 1:0 (0:0) | ||
| 2nd (2nd leg) | HNK Rijeka | - | Real Valladolid | 4:1 (2:1) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: HNK Rijeka | ||||
| 1st(1st leg) | Fenerbahçe | - | ACF Fiorentina | 0:1 (0:1) | ||
| 2nd (2nd leg) | ACF Fiorentina | - | Fenerbahçe | 2:0 (1:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: ACF Fiorentina | ||||
| 1st(1st leg) | RSC Anderlecht | - | Werder Bremen | 1:0 (0:0) | ||
| 2nd (2nd leg) | Werder Bremen | - | RSC Anderlecht | 2:1 (0:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: RSC Anderlecht | ||||
| 1st(1st leg) | TJ Bohemians ČKD Praha | - | Apollon Limassol | 6:1 (3:0) | ||
| 2nd (2nd leg) | Apollon Limassol | - | TJ Bohemians ČKD Praha | 2:2 (0:1) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: TJ Bohemians ČKD Praha | ||||
| 1st(1st leg) | Nottingham Forest | - | Club Brugge KV | 0:0 (0:0) | ||
| 2nd (2nd leg) | Club Brugge KV | - | Nottingham Forest | 1:0 (0:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Club Brugge KV | ||||
| 1st(1st leg) | Sporting Braga | - | Tottenham Hotspur | 0:3 (0:3) | ||
| 2nd (2nd leg) | Tottenham Hotspur | - | Sporting Braga | 6:0 (3:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Tottenham Hotspur | ||||
| 1st(1st leg) | 1. FC Köln | - | Pogoń Szczecin | 2:1 (0:1) | ||
| 2nd (2nd leg) | Pogoń Szczecin | - | 1. FC Köln | 0:1 (0:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: 1. FC Köln | ||||
| 1st(1st leg) | 1. FC Lokomotive Leipzig | - | Lillestrøm SK | 7:0 (2:0) | ||
| 2nd (2nd leg) | Lillestrøm SK | - | 1. FC Lokomotive Leipzig | 3:0 (1:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: 1. FC Lokomotive Leipzig | ||||
| 1st(1st leg) | Odense BK | - | Spartak Moskva | 1:5 (1:2) | ||
| 2nd (2nd leg) | Spartak Moskva | - | Odense BK | 2:1 (1:1) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Spartak Moskva | ||||
| 1st(1st leg) | Southampton FC | - | Hamburger SV | 0:0 (0:0) | ||
| 2nd (2nd leg) | Hamburger SV | - | Southampton FC | 2:0 (0:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Hamburger SV | ||||
| 1st(1st leg) | AS Monaco | - | CSKA Sofia | 2:2 (2:2) | ||
| 2nd (2nd leg) | CSKA Sofia | - | AS Monaco | 2:1 (2:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: CSKA Sofia | ||||
| 1st(1st leg) | FC Sliven | - | Željezničar Sarajevo | 1:0 (0:0) | ||
| 2nd (2nd leg) | Željezničar Sarajevo | - | FC Sliven | 5:1 (2:1) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Željezničar Sarajevo | ||||
| 1st(1st leg) | FC Sion | - | Atlético Madrid | 1:0 (0:0) | ||
| 2nd (2nd leg) | Atlético Madrid | - | FC Sion | 2:3 (2:3) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: FC Sion | ||||
| 1st(1st leg) | Real Betis | - | FC Universitatea Craiova | 1:0 (0:0) | ||
| 2nd (2nd leg) | FC Universitatea Craiova | - | Real Betis | 5:3 (0:0, 1:0, 1:0) pso | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: FC Universitatea Craiova | ||||
| 1st(1st leg) | ASVŠ Dukla Banská Bystrica | - | Bor. Mönchengladbach | 2:3 (1:1) | ||
| 2nd (2nd leg) | Bor. Mönchengladbach | - | ASVŠ Dukla Banská Bystrica | 4:1 (1:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Bor. Mönchengladbach | ||||
| 1st(1st leg) | Sporting CP | - | AJ Auxerre | 2:0 (0:0) | ||
| 2nd (2nd leg) | AJ Auxerre | - | Sporting CP | 2:2 (1:0, 2:0) aet | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Sporting CP | ||||
| 1st(1st leg) | Dinamo Minsk | - | HJK Helsinki | 4:0 (3:0) | ||
| 2nd (2nd leg) | HJK Helsinki | - | Dinamo Minsk | 0:6 (0:4) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Dinamo Minsk | ||||
| 1st(1st leg) | Manchester United | - | Raba ETO Győr | 3:0 (2:0) | ||
| 2nd (2nd leg) | Raba ETO Győr | - | Manchester United | 2:2 (0:1) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Manchester United | ||||
| 1st(1st leg) | FC Vorwärts Frankfurt/Oder | - | PSV Eindhoven | 2:0 (1:0) | ||
| 2nd (2nd leg) | PSV Eindhoven | - | FC Vorwärts Frankfurt/Oder | 3:0 (2:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: PSV Eindhoven | ||||
| 1st(1st leg) | Östers IF | - | Linzer ASK | 0:1 (0:0) | ||
| 2nd (2nd leg) | Linzer ASK | - | Östers IF | 1:0 (1:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Linzer ASK | ||||
| 1st(1st leg) | AIK Solna | - | Dundee United | 1:0 (1:0) | ||
| 2nd (2nd leg) | Dundee United | - | AIK Solna | 3:0 (0:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Dundee United | ||||
| 1st(1st leg) | Paris Saint-Germain | - | Heart of Midlothian | 4:0 (2:0) | ||
| 2nd (2nd leg) | Heart of Midlothian | - | Paris Saint-Germain | 2:2 (1:2) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Paris Saint-Germain | ||||
| 1st(1st leg) | Olympiakos Piraeus | - | Neuchâtel Xamax FC | 1:0 (1:0) | ||
| 2nd (2nd leg) | Neuchâtel Xamax FC | - | Olympiakos Piraeus | 2:2 (1:0) | ||
| 1st(1st leg): 19/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Olympiakos Piraeus | ||||
| 1st(1st leg) | Sportul Studenţesc | - | Inter | 1:0 (0:0) | ||
| 2nd (2nd leg) | Inter | - | Sportul Studenţesc | 2:0 (0:0) | ||
| 1st(1st leg): 20/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Inter | ||||
| 1st(1st leg) | Widzew Łódź | - | Aarhus GF | 2:0 (1:0) | ||
| 2nd (2nd leg) | Aarhus GF | - | Widzew Łódź | 1:0 (1:0) | ||
| 1st(1st leg): 20/09/1984 | 2nd (2nd leg): 03/10/1984 | Winner: Widzew Łódź | ||||
