| Copa del Rey 2005/2006 - Appearances as Referee |  |
 |
 |
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| 20/10/2005 | CD Alcoyano | - | RCD Mallorca | 4:1 | 8 | - | - |
| 03/01/2006 | Athletic Club | - | Real Madrid | 0:1 | 6 | - | - |
| 15/03/2006 | Deportivo La Coruña | - | Espanyol Barcelona | 0:0 | 5 | - | - |
| Copa del Rey 2005/2006 - Appearances as Referee | |
|
|
||||
| 20/10/2005 | CD Alcoyano | - | RCD Mallorca | 4:1 | 8 | - | - |
| 03/01/2006 | Athletic Club | - | Real Madrid | 0:1 | 6 | - | - |
| 15/03/2006 | Deportivo La Coruña | - | Espanyol Barcelona | 0:0 | 5 | - | - |
| Complete name: | Alberto Undiano Mallenco |
| Born: | 08/10/1973 |
| Place of birth: |
Pamplona, 
Spain |
| Residence: | Ansoain |
| Nationality: |
Spain |
| Height: | 181 cm |
| Weight: | 73 kg |