22 Augustus 2026
| 17:00 |
Athletic Club 
1 - 3
Sevilla FC 
|
27 Augustus 2026
| 21:00 |
FC Barcelona 
2 - 0
Athletic Club
|
30 Augustus 2026
| 21:30 |
RC Celta de Vigo 
0 - 2
Athletic Club
|
05 September 2026
| 16:15 |
Athletic Club
3 - 0
Club Atlético de Madrid 
|
12 September 2026
| 18:30 |
Athletic Club
1 - 1
Elche CF 
|
16 September 2026
| 21:30 |
Levante UD 
0 - 0
Athletic Club
|
19 September 2026
| 16:15 |
Athletic Club
0 - 0
Deportivo Alavés 
|