| Europa Conference League Qual. 2023/2024 - Appearances as Referee |  |
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 |
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| 31/08/2023 | PAOK Saloniki | - | Heart of Midlothian | 4:0 | 5 | - | - |
| Europa Conference League Qual. 2023/2024 - Appearances as Referee | |
|
|
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| 31/08/2023 | PAOK Saloniki | - | Heart of Midlothian | 4:0 | 5 | - | - |
| Complete name: | Guillermo Cuadra Fernández |
| Born: | 25/04/1984 |
| Place of birth: |
Madrid, 
Spain |
| Nationality: |
Spain |