| Day | Week | Home | Result | Away |
|---|---|---|---|---|
| 2025-08-30 | 1 | Athletic Club | 0 - 0 | UDG Tenerife |
| 2025-09-07 | 2 | Athletic Club | 1 - 8 | Barcelona |
| 2025-09-14 | 3 | Deportivo de La Coruña | 1 - 0 | Athletic Club |
| 2025-09-20 | 4 | Espanyol | 1 - 1 | Athletic Club |
| 2025-09-28 | 5 | Athletic Club | 1 - 1 | Sevilla |
| 2025-10-04 | 6 | Atlético Madrid | 1 - 1 | Athletic Club |
| 2025-10-12 | 7 | Athletic Club | 1 - 4 | Real Madrid |
| 2025-10-18 | 8 | Alhama CF | 0 - 0 | Athletic Club |
| 2025-11-02 | 9 | Athletic Club | 0 - 0 | DUX Logroño |
| 2025-11-08 | 10 | Athletic Club | 2 - 0 | SD Eibar |
| 2025-11-16 | 11 | Real Sociedad | 1 - 1 | Athletic Club |
| 2025-11-22 | 12 | Granada | 1 - 5 | Athletic Club |
| 2025-12-07 | 13 | Athletic Club | 1 - 0 | Levante UD |
| 2025-12-13 | 14 | Madrid CFF | 0 - 2 | Athletic Club |
Athletic Club
2025-26シーズン