| 2. Round | 03/09/2003 | Deportivo La Coruña | - | Athletic Club | 2:0 | ||||
| 3. Round | 14/09/2003 | Athletic Club | - | RCD Mallorca | 4:0 | ||||
| 6. Round | 04/10/2003 | Real Betis | - | Athletic Club | 1:1 | ||||
| 11. Round | 08/11/2003 | Athletic Club | - | Espanyol Barcelona | 1:0 | ||||
| 12. Round | 23/11/2003 | RC Celta | - | Athletic Club | 0:2 | ||||
| 16. Round | 14/12/2003 | Athletic Club | - | Sevilla FC | 2:1 |  |
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| 17. Round | 21/12/2003 | Albacete | - | Athletic Club | 1:1 | ||||
| 37. Round | 16/05/2004 | CA Osasuna | - | Athletic Club | 1:2 | ||||
| 38. Round | 23/05/2004 | Athletic Club | - | Atlético Madrid | 3:4 | |
Spain