| 1. Round | 28/08/2022 | Athletic Club B | - | CF La Nucía | 1:2 | ||||
| 2. Round | 03/09/2022 | UD Logroñés | - | Athletic Club B | 0:1 | ||||
| 6. Round | 02/10/2022 | CD Calahorra | - | Athletic Club B | 1:2 | ||||
| 22. Round | 05/02/2023 | Gimnàstic de Tarragona | - | Athletic Club B | 0:0 | ||||
| 24. Round | 18/02/2023 | Athletic Club B | - | FC Barcelona B | 1:1 | ||||
| 26. Round | 05/03/2023 | Athletic Club B | - | CD Calahorra | 2:3 | ||||
| 28. Round | 18/03/2023 | Athletic Club B | - | CE Sabadell | 2:2 | ||||
| 34. Round | 30/04/2023 | Athletic Club B | - | CD Castellón | 0:2 | ||||
| 36. Round | 13/05/2023 | Athletic Club B | - | CD Alcoyano | 1:3 | ||||
| 38. Round | 27/05/2023 | Athletic Club B | - | SD Amorebieta | 0:0 |
Spain