| 1. Ronde | 27.08.2005 | Athletic Club | - | Real Sociedad | 3:0 | ||||
| 2. Ronde | 11.09.2005 | Getafe CF | - | Athletic Club | 1:1 | ||||
| 3. Ronde | 18.09.2005 | Athletic Club | - | Málaga CF | 1:2 | ||||
| 4. Ronde | 22.09.2005 | Real Madrid | - | Athletic Club | 3:1 | ||||
| 5. Ronde | 25.09.2005 | Athletic Club | - | Racing Santander | 0:0 | ||||
| 6. Ronde | 02.10.2005 | Villarreal CF | - | Athletic Club | 3:1 | ||||
| 7. Ronde | 16.10.2005 | Athletic Club | - | Sevilla FC | 0:1 |  |
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| 8. Ronde | 23.10.2005 | Cádiz CF | - | Athletic Club | 1:0 | ||||
| 11. Ronde | 26.10.2005 | CA Osasuna | - | Athletic Club | 3:2 | ||||
| 9. Ronde | 29.10.2005 | Athletic Club | - | Celta de Vigo | 1:1 | ||||
| 10. Ronde | 05.11.2005 | Espanyol | - | Athletic Club | 1:1 | ||||
| 12. Ronde | 20.11.2005 | Athletic Club | - | Deportivo Alavés | 0:2 | ||||
| 13. Ronde | 26.11.2005 | RCD Mallorca | - | Athletic Club | 0:1 | ||||
| 14. Ronde | 03.12.2005 | Athletic Club | - | Atlético Madrid | 1:1 | ||||
| 15. Ronde | 10.12.2005 | Valencia CF | - | Athletic Club | 1:1 | ||||
| 16. Ronde | 17.12.2005 | Athletic Club | - | Real Betis | 2:0 | ||||
| 17. Ronde | 21.12.2005 | Real Zaragoza | - | Athletic Club | 3:2 | ||||
| 18. Ronde | 07.01.2006 | Athletic Club | - | Deportivo La Coruña | 1:2 |
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