| Champions League 2011/2012 - Appearances as Referee |  |
 |
 |
||||
| 02/11/2011 | Trabzonspor | - | CSKA Moskva | 0:0 | 4 | 1 | - |
| 06/12/2011 | Olympiakos Piraeus | - | Arsenal FC | 3:1 | 4 | - | - |
| 07/03/2012 | APOEL Nikosia | - | Olympique Lyon | 4:3 pso | 6 | 1 | - |
| Champions League 2011/2012 - Appearances as Referee | |
|
|
||||
| 02/11/2011 | Trabzonspor | - | CSKA Moskva | 0:0 | 4 | 1 | - |
| 06/12/2011 | Olympiakos Piraeus | - | Arsenal FC | 3:1 | 4 | - | - |
| 07/03/2012 | APOEL Nikosia | - | Olympique Lyon | 4:3 pso | 6 | 1 | - |
| Complete name: | Alberto Undiano Mallenco |
| Born: | 08/10/1973 |
| Place of birth: |
Pamplona, 
Spain |
| Residence: | Ansoain |
| Nationality: |
Spain |
| Height: | 181 cm |
| Weight: | 73 kg |