| 1. Round | 16/09/2004 | Trabzonspor | - | Athletic Club | 3:2 | ||||
| 1. Round | 30/09/2004 | Athletic Club | - | Trabzonspor | 2:0 | ||||
| Group B | 21/10/2004 | Athletic Club | - | Parma FC | 2:0 | ||||
| Group B | 04/11/2004 | Beşiktaş | - | Athletic Club | 3:1 | ||||
| Group B | 01/12/2004 | Athletic Club | - | FC Steaua Bucureşti | 1:0 | ||||
| Group B | 16/12/2004 | Standard Liège | - | Athletic Club | 1:7 | ||||
| 3. Round | 24/02/2005 | Austria Wien | - | Athletic Club | 0:0 | ||||
| 3. Round | 27/02/2005 | Athletic Club | - | Austria Wien | 1:2 |
Spain