| Segunda B Grupo 2 2020/2021 - Appearances as Referee |  |
 |
 |
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| 15/11/2020 | Club Portugalete | - | SD Leioa | 1:0 | 7 | - | - |
| 07/03/2021 | Arenas de Getxo | - | Real Unión | 0:0 | - | - | - |
| Segunda B Grupo 2 2020/2021 - Appearances as Referee | |
|
|
||||
| 15/11/2020 | Club Portugalete | - | SD Leioa | 1:0 | 7 | - | - |
| 07/03/2021 | Arenas de Getxo | - | Real Unión | 0:0 | - | - | - |
| Complete name: | Carlos Pérez Fernández |
| Born: | |
| Place of birth: |
Spain |
| Nationality: |
Spain |