| 1. Round | 30/08/2003 | Athletic Club | - | FC Barcelona | 0:1 | ||||
| 6. Round | 04/10/2003 | Real Betis | - | Athletic Club | 1:1 | ||||
| 9. Round | 29/10/2003 | Athletic Club | - | Málaga CF | 2:1 | ||||
| 10. Round | 01/11/2003 | Real Madrid | - | Athletic Club | 3:0 | ||||
| 13. Round | 30/11/2003 | Athletic Club | - | Racing Santander | 1:2 | ||||
| 15. Round | 07/12/2003 | Valencia CF | - | Athletic Club | 2:1 | ||||
| 19. Round | 11/01/2004 | Atlético Madrid | - | Athletic Club | 3:0 | ||||
| 21. Round | 25/01/2004 | Athletic Club | - | Deportivo La Coruña | 1:0 | ||||
| 22. Round | 01/02/2004 | RCD Mallorca | - | Athletic Club | 1:3 | ||||
| 23. Round | 08/02/2004 | Athletic Club | - | Real Murcia | 2:1 | ||||
| 27. Round | 07/03/2004 | Athletic Club | - | Real Valladolid | 1:4 |  |
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| 30. Round | 27/03/2004 | Espanyol Barcelona | - | Athletic Club | 2:1 | ||||
| 38. Round | 23/05/2004 | Athletic Club | - | Atlético Madrid | 3:4 |
Spain