| 1. Round | 26/10/2004 | CD Castellón | - | CA Osasuna | 2:4 pso | ||||
| 2. Round | 10/11/2004 | Girona FC | - | CA Osasuna | 0:1 aet | ||||
| Round of 16 | 12/01/2005 | CA Osasuna | - | Getafe CF | 2:0 | ||||
| Round of 16 | 19/01/2005 | Getafe CF | - | CA Osasuna | 3:2 | ||||
| Quarter-finals | 26/01/2005 | Sevilla FC | - | CA Osasuna | 2:1 |  |
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| Quarter-finals | 02/02/2005 | CA Osasuna | - | Sevilla FC | 3:1 |  |
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| Semi-finals | 20/04/2005 | CA Osasuna | - | Atlético Madrid | 1:0 |  |
Spain