| Supercopa 2021 - Appearances as Referee |  |
 |
 |
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| 13/01/2022 | Athletic Bilbao | - | Atlético Madrid | 2:1 | 4 | - | 1 |
| Supercopa 2021 - Appearances as Referee | |
|
|
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| 13/01/2022 | Athletic Bilbao | - | Atlético Madrid | 2:1 | 4 | - | 1 |
| Complete name: | Guillermo Cuadra Fernández |
| Born: | 25/04/1984 |
| Place of birth: |
Madrid, 
Spain |
| Nationality: |
Spain |