| Copa del Rey 2019/2020 - Appearances as Assistant | ||||
| 11/01/2020 | UD Tamaraceite | - | Granada CF | 0:1 |
| 23/01/2020 | Rayo Vallecano | - | Real Betis | 4:2 pso |
| 29/01/2020 | Rayo Vallecano | - | Villarreal CF | 0:2 |
| 05/02/2020 | CD Mirandés | - | Villarreal CF | 4:2 |
| Copa del Rey 2019/2020 - Appearances as Assistant | ||||
| 11/01/2020 | UD Tamaraceite | - | Granada CF | 0:1 |
| 23/01/2020 | Rayo Vallecano | - | Real Betis | 4:2 pso |
| 29/01/2020 | Rayo Vallecano | - | Villarreal CF | 0:2 |
| 05/02/2020 | CD Mirandés | - | Villarreal CF | 4:2 |
| Complete name: | Jon Núñez Fernández |
| Born: | |
| Place of birth: |
Spain |
| Nationality: |
Spain |