| 18. Round | 07/01/2006 | Athletic Club | - | Deportivo La Coruña | 1:2 | ||||
| 19. Round | 15/01/2006 | FC Barcelona | - | Athletic Club | 2:1 | ||||
| 20. Round | 22/01/2006 | Real Sociedad | - | Athletic Club | 3:3 |  |
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| 21. Round | 28/01/2006 | Athletic Club | - | Getafe CF | 1:0 | ||||
| 22. Round | 04/02/2006 | Málaga CF | - | Athletic Club | 2:1 | |
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| 23. Round | 11/02/2006 | Athletic Club | - | Real Madrid | 0:2 |  |
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| 24. Round | 19/02/2006 | Racing Santander | - | Athletic Club | 0:1 | ||||
| 25. Round | 26/02/2006 | Athletic Club | - | Villarreal CF | 1:1 | |
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| 26. Round | 05/03/2006 | Sevilla FC | - | Athletic Club | 2:1 | |
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| 27. Round | 12/03/2006 | Athletic Club | - | Cádiz CF | 1:0 | ||||
| 28. Round | 19/03/2006 | RC Celta | - | Athletic Club | 0:1 | |
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| 29. Round | 22/03/2006 | Athletic Club | - | Espanyol Barcelona | 1:1 | |
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| 30. Round | 25/03/2006 | Athletic Club | - | CA Osasuna | 1:0 | ||||
| 31. Round | 02/04/2006 | CD Alavés | - | Athletic Club | 0:0 | ||||
| 35. Round | 29/04/2006 | Real Betis | - | Athletic Club | 1:1 |
Spain
