1st(1st leg) Atlético Madrid - Leicester City 2:1 (0:1)
2nd (2nd leg) Leicester City - Atlético Madrid 0:2 (0:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Atlético Madrid
1st(1st leg) Aarhus GF - FC Nantes 2:2 (1:2)
2nd (2nd leg) FC Nantes - Aarhus GF 0:1 (0:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Aarhus GF
1st(1st leg) Excelsior Mouscron - FC Metz 0:2 (0:2)
2nd (2nd leg) FC Metz - Excelsior Mouscron 4:1 (3:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: FC Metz
1st(1st leg) FC Twente - Lillestrøm SK 0:1 (0:1)
2nd (2nd leg) Lillestrøm SK - FC Twente 1:2 (0:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: FC Twente
1st(1st leg) Beitar Jerusalem - Club Brugge KV 2:1 (0:0)
2nd (2nd leg) Club Brugge KV - Beitar Jerusalem 3:0 (0:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Club Brugge KV
1st(1st leg) Inter - Neuchâtel Xamax FC 2:0 (0:0)
2nd (2nd leg) Neuchâtel Xamax FC - Inter 0:2 (0:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Inter
1st(1st leg) Celtic FC - Liverpool FC 2:2 (0:1)
2nd (2nd leg) Liverpool FC - Celtic FC 0:0 (0:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Liverpool FC
1st(1st leg) Rotor Volgograd (1929-2005) - Örebro SK 2:0 (1:0)
2nd (2nd leg) Örebro SK - Rotor Volgograd (1929-2005) 1:4 (0:2)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Rotor Volgograd (1929-2005)
1st(1st leg) Vitesse - Sporting Braga 2:1 (1:0)
2nd (2nd leg) Sporting Braga - Vitesse 2:0 (2:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Sporting Braga
1st(1st leg) Croatia Zagreb - Grasshopper Club Zürich 4:4 (2:1)
2nd (2nd leg) Grasshopper Club Zürich - Croatia Zagreb 0:5 (0:2)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Croatia Zagreb
1st(1st leg) Sampdoria - Athletic Club 1:2 (0:1)
2nd (2nd leg) Athletic Club - Sampdoria 2:0 (1:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Athletic Club
1st(1st leg) Girondins Bordeaux - Aston Villa 0:0 (0:0)
2nd (2nd leg) Aston Villa - Girondins Bordeaux 1:0 (0:0, 0:0) aet
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Aston Villa
1st(1st leg) CSA Steaua București - Fenerbahçe 0:0 (0:0)
2nd (2nd leg) Fenerbahçe - CSA Steaua București 1:2 (0:2)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: CSA Steaua București
1st(1st leg) SC Bastia - SL Benfica 1:0 (0:0)
2nd (2nd leg) SL Benfica - SC Bastia 0:0 (0:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: SC Bastia
1st(1st leg) FC Sion - Spartak Moskva 0:1 (0:0)
2nd (2nd leg) Spartak Moskva - FC Sion 5:1 (3:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 15/10/1997 Winner: Spartak Moskva
1st(1st leg) OFI Heraklion - Ferencvárosi TC 3:0 (1:0)
2nd (2nd leg) Ferencvárosi TC - OFI Heraklion 2:1 (0:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: OFI Heraklion
1st(1st leg) Vitória Guimarães - Lazio Roma 0:4 (0:0)
2nd (2nd leg) Lazio Roma - Vitória Guimarães 2:1 (1:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Lazio Roma
1st(1st leg) RC Strasbourg - Rangers FC 2:1 (1:0)
2nd (2nd leg) Rangers FC - RC Strasbourg 1:2 (1:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: RC Strasbourg
1st(1st leg) MTK FC - Alania Vladikavkaz 3:0 (0:0)
2nd (2nd leg) Alania Vladikavkaz - MTK FC 1:1 (1:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: MTK FC
1st(1st leg) Olympique Lyonnais - Brøndby IF 4:1 (1:1)
2nd (2nd leg) Brøndby IF - Olympique Lyonnais 2:3 (2:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Olympique Lyonnais
1st(1st leg) MPKC Mozyr - Dinamo Tbilisi 1:1 (0:1)
2nd (2nd leg) Dinamo Tbilisi - MPKC Mozyr 1:0 (0:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Dinamo Tbilisi
1st(1st leg) Real Valladolid - Skonto FC 2:0 (1:0)
2nd (2nd leg) Skonto FC - Real Valladolid 1:0 (1:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Real Valladolid
1st(1st leg) PAOK Saloniki - Arsenal FC 1:0 (0:0)
2nd (2nd leg) Arsenal FC - PAOK Saloniki 1:1 (1:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: PAOK Saloniki
1st(1st leg) Widzew Łódź - Udinese Calcio 1:0 (0:0)
2nd (2nd leg) Udinese Calcio - Widzew Łódź 3:0 (2:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Udinese Calcio
1st(1st leg) Maribor Teatanic - AFC Ajax 1:1 (0:0)
2nd (2nd leg) AFC Ajax - Maribor Teatanic 9:1 (5:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: AFC Ajax
1st(1st leg) Karlsruher SC - Anorthosis Famagusta 2:1 (1:1)
2nd (2nd leg) Anorthosis Famagusta - Karlsruher SC 1:1 (1:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: Karlsruher SC
1st(1st leg) Deportivo La Coruña - AJ Auxerre 1:2 (0:0)
2nd (2nd leg) AJ Auxerre - Deportivo La Coruña 0:0 (0:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: AJ Auxerre
1st(1st leg) SV Austria Salzburg - RSC Anderlecht 4:3 (1:1)
2nd (2nd leg) RSC Anderlecht - SV Austria Salzburg 4:2 (0:2)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: RSC Anderlecht
1st(1st leg) FC Schalke 04 - Hajduk Split 2:0 (2:0)
2nd (2nd leg) Hajduk Split - FC Schalke 04 2:3 (2:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: FC Schalke 04
1st(1st leg) Trabzonspor - VfL Bochum 2:1 (2:1)
2nd (2nd leg) VfL Bochum - Trabzonspor 5:3 (2:1)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: VfL Bochum
1st(1st leg) FC Jazz Pori - TSV 1860 München 0:1 (0:0)
2nd (2nd leg) TSV 1860 München - FC Jazz Pori 6:1 (2:0)
1st(1st leg): 16/09/1997 2nd (2nd leg): 30/09/1997 Winner: TSV 1860 München
1st(1st leg) Rapid Wien - Hapoel Petach-Tikva 1:0 (1:0)
2nd (2nd leg) Hapoel Petach-Tikva - Rapid Wien 1:1 (1:0)
1st(1st leg): 16/09/1997 19:30 2nd (2nd leg): 30/09/1997 17:30 Winner: Rapid Wien