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| 1st(1st leg) | AEK Athen | - | Jeunesse Esch | 3:0 (1:0) | ||
| 2nd (2nd leg) | Jeunesse Esch | - | AEK Athen | 3:2 (2:2) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: AEK Athen | ||||
| 1st(1st leg) | RSC Anderlecht | - | Glentoran FC | 3:0 (2:0) | ||
| 2nd (2nd leg) | Glentoran FC | - | RSC Anderlecht | 2:2 (1:1) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: RSC Anderlecht | ||||
| 1st(1st leg) | Floriana FC | - | FC Reipas Lahti (old) | 1:1 (1:1) | ||
| 2nd (2nd leg) | FC Reipas Lahti (old) | - | Floriana FC | 2:0 (0:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: FC Reipas Lahti (old) | ||||
| 1st(1st leg) | Malmö FF | - | AC Milan | 2:1 (1:0) | ||
| 2nd (2nd leg) | AC Milan | - | Malmö FF | 4:1 (1:1) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: AC Milan | ||||
| 1st(1st leg) | Manchester City | - | Fenerbahçe | 0:0 (0:0) | ||
| 2nd (2nd leg) | Fenerbahçe | - | Manchester City | 2:1 (0:1) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Fenerbahçe | ||||
| 1st(1st leg) | 1. FC Nürnberg | - | AFC Ajax | 1:1 (1:0) | ||
| 2nd (2nd leg) | AFC Ajax | - | 1. FC Nürnberg | 4:0 (1:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: AFC Ajax | ||||
| 1st(1st leg) | AS Saint-Étienne | - | Celtic FC | 2:0 (2:0) | ||
| 2nd (2nd leg) | Celtic FC | - | AS Saint-Étienne | 4:0 (1:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Celtic FC | ||||
| 1st(1st leg) | CSA Steaua București | - | TJ Spartak TAZ Trnava | 3:1 (2:0) | ||
| 2nd (2nd leg) | TJ Spartak TAZ Trnava | - | CSA Steaua București | 4:0 (1:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: TJ Spartak TAZ Trnava | ||||
| 1st(1st leg) | Rosenborg BK | - | Rapid Wien | 1:3 (1:1) | ||
| 2nd (2nd leg) | Rapid Wien | - | Rosenborg BK | 3:3 (2:2) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Rapid Wien | ||||
| 1st(1st leg) | Valur Reykjavík | - | SL Benfica | 0:0 (0:0) | ||
| 2nd (2nd leg) | SL Benfica | - | Valur Reykjavík | 8:1 (5:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: SL Benfica | ||||
| 1st(1st leg) | Waterford AFC | - | Manchester United | 1:3 (0:2) | ||
| 2nd (2nd leg) | Manchester United | - | Waterford AFC | 7:1 (2:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Manchester United | ||||
| 1st(1st leg) | FC Zürich | - | Akademisk BK | 1:3 (0:2) | ||
| 2nd (2nd leg) | Akademisk BK | - | FC Zürich | 1:2 (0:0) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 02/10/1968 | Winner: Akademisk BK | ||||
| 1st(1st leg) | Real Madrid | - | AEL Limassol | 6:0 (4:0) | ||
| 2nd (2nd leg) | AEL Limassol | - | Real Madrid | 0:6 (0:3) | ||
| 1st(1st leg): 18/09/1968 | 2nd (2nd leg): 26/09/1968 | Winner: Real Madrid | ||||
