| 4. Round | 01/10/2020 | Athletic Club | - | Cádiz CF | 0:1 | ||||
| 10. Round | 23/11/2020 | Athletic Club | - | Real Betis | 4:0 | ||||
| 19. Round | 15/12/2020 | Real Madrid | - | Athletic Club | 3:1 | ||||
| 15. Round | 22/12/2020 | Villarreal CF | - | Athletic Club | 1:1 | ||||
| 17. Round | 03/01/2021 | Athletic Club | - | Elche CF | 1:0 | ||||
| 20. Round | 25/01/2021 | Athletic Club | - | Getafe CF | 5:1 | ||||
| 21. Round | 31/01/2021 | FC Barcelona | - | Athletic Club | 2:1 | ||||
| 22. Round | 07/02/2021 | Athletic Club | - | Valencia CF | 1:1 | ||||
| 23. Round | 15/02/2021 | Cádiz CF | - | Athletic Club | 0:4 | ||||
| 25. Round | 26/02/2021 | Levante UD | - | Athletic Club | 1:1 | ||||
| 26. Round | 07/03/2021 | Athletic Club | - | Granada CF | 2:1 | ||||
| 27. Round | 14/03/2021 | RC Celta | - | Athletic Club | 0:0 |  |
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| 29. Round | 07/04/2021 | Real Sociedad | - | Athletic Club | 1:1 | ||||
| 30. Round | 10/04/2021 | Athletic Club | - | CD Alavés | 0:0 | ||||
| 31. Round | 21/04/2021 | Real Betis | - | Athletic Club | 0:0 | ||||
| 32. Round | 25/04/2021 | Athletic Club | - | Atlético Madrid | 2:1 | ||||
| 34. Round | 03/05/2021 | Sevilla FC | - | Athletic Club | 0:1 | ||||
| 38. Round | 22/05/2021 | Elche CF | - | Athletic Club | 2:0 |
Spain