| 4. Round | 28/10/2009 | Xerez CD | - | CA Osasuna | 1:2 |  |
|||
| 4. Round | 10/11/2009 | CA Osasuna | - | Xerez CD | 1:0 | ||||
| Round of 16 | 13/01/2010 | CA Osasuna | - | Hércules CF | 1:0 | ||||
| Quarter-finals | 27/01/2010 | CA Osasuna | - | Racing Santander | 0:3 |  |
| 4. Round | 28/10/2009 | Xerez CD | - | CA Osasuna | 1:2 | |
|||
| 4. Round | 10/11/2009 | CA Osasuna | - | Xerez CD | 1:0 | ||||
| Round of 16 | 13/01/2010 | CA Osasuna | - | Hércules CF | 1:0 | ||||
| Quarter-finals | 27/01/2010 | CA Osasuna | - | Racing Santander | 0:3 | |
| Sergio Fernández González | |
| Born: | 23.05.1977 |
| Place of birth: |
Avilés, 
Spain |
| Nationality: |
Spain
|
| Height: | 191 cm |
| Weight: | 81 kg |
| Position(s): | Centre Back |
| Foot: | right |