| 1. Round | 20/08/2018 | Athletic Club | - | CD Leganés | 2:1 |  |
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| 2. Round | 27/08/2018 | Athletic Club | - | SD Huesca | 2:2 | ||||
| 7. Round | 29/09/2018 | FC Barcelona | - | Athletic Club | 1:1 |  |
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| 9. Round | 21/10/2018 | SD Eibar | - | Athletic Club | 1:1 | ||||
| 3. Round | 24/10/2018 | Rayo Vallecano | - | Athletic Club | 1:1 | ||||
| 12. Round | 10/11/2018 | Atlético Madrid | - | Athletic Club | 3:2 | ||||
| 13. Round | 25/11/2018 | Athletic Club | - | Getafe CF | 1:1 | |
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| 14. Round | 03/12/2018 | Levante UD | - | Athletic Club | 3:0 |  |
Spain