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| 1st(1st leg) | US Rumelange | - | Sliema Wanderers | 2:1 (1:0) | ||
| 2nd (2nd leg) | Sliema Wanderers | - | US Rumelange | 1:0 (0:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 29/09/1968 | Winner: Sliema Wanderers | ||||
| 1st(1st leg) | Altay Izmir | - | Lyn Oslo | 3:1 (1:0) | ||
| 2nd (2nd leg) | Lyn Oslo | - | Altay Izmir | 4:1 (2:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Lyn Oslo | ||||
| 1st(1st leg) | Cardiff City | - | FC Porto | 2:2 (1:0) | ||
| 2nd (2nd leg) | FC Porto | - | Cardiff City | 2:1 (1:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: FC Porto | ||||
| 1st(1st leg) | FK Partizani | - | Torino FC | 1:0 (0:0) | ||
| 2nd (2nd leg) | Torino FC | - | FK Partizani | 3:1 (2:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Torino FC | ||||
| 1st(1st leg) | Girondins Bordeaux | - | 1. FC Köln | 2:1 (1:1) | ||
| 2nd (2nd leg) | 1. FC Köln | - | Girondins Bordeaux | 3:0 (2:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: 1. FC Köln | ||||
| 1st(1st leg) | TJ Slovan ChZJD Bratislava | - | FK Bor | 3:0 (0:0) | ||
| 2nd (2nd leg) | FK Bor | - | TJ Slovan ChZJD Bratislava | 2:0 (1:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: TJ Slovan ChZJD Bratislava | ||||
| 1st(1st leg) | Dunfermline Athletic | - | APOEL Nikosia | 10:1 (5:0) | ||
| 2nd (2nd leg) | APOEL Nikosia | - | Dunfermline Athletic | 0:2 (0:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Dunfermline Athletic | ||||
| 1st(1st leg) | FC Brugeois | - | West Bromwich Albion | 3:1 (1:1) | ||
| 2nd (2nd leg) | West Bromwich Albion | - | FC Brugeois | 2:0 (2:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: West Bromwich Albion | ||||
| 1st(1st leg) | FC Lugano | - | FC Barcelona | 0:1 (0:0) | ||
| 2nd (2nd leg) | FC Barcelona | - | FC Lugano | 3:0 (0:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: FC Barcelona | ||||
| 1st(1st leg) | Crusaders FC | - | IFK Norrköping | 2:2 (1:1) | ||
| 2nd (2nd leg) | IFK Norrköping | - | Crusaders FC | 4:1 (3:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: IFK Norrköping | ||||
| 1st(1st leg) | Randers Freja | - | Shamrock Rovers | 1:0 (0:0) | ||
| 2nd (2nd leg) | Shamrock Rovers | - | Randers Freja | 1:2 (0:1) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Randers Freja | ||||
| 1st(1st leg) | ADO | - | Grazer AK | 4:1 (1:1) | ||
| 2nd (2nd leg) | Grazer AK | - | ADO | 0:2 (0:1) | ||
| 1st(1st leg): 19/09/1968 | 2nd (2nd leg): 03/10/1968 | Winner: ADO | ||||
| 1st(1st leg) | Olympiakos Piraeus | - | KR Reykjavík | 2:0 (1:0) | ||
| 2nd (2nd leg) | KR Reykjavík | - | Olympiakos Piraeus | 0:2 (0:1) | ||
| 1st(1st leg): 20/09/1968 | 2nd (2nd leg): 22/09/1968 | Winner: Olympiakos Piraeus | ||||
