| 1. Ronde | 28.08.2022 | Athletic Club B | - | CF La Nucía | 1:2 | ||||
| 3. Ronde | 10.09.2022 | Athletic Club B | - | CD Eldense | 0:1 | ||||
| 4. Ronde | 18.09.2022 | CD Castellón | - | Athletic Club B | 2:0 | ||||
| 6. Ronde | 02.10.2022 | CD Calahorra | - | Athletic Club B | 1:2 |  |
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| 7. Ronde | 09.10.2022 | Athletic Club B | - | CF Intercity | 1:0 |  |
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| 8. Ronde | 16.10.2022 | SD Amorebieta | - | Athletic Club B | 3:0 | ||||
| 9. Ronde | 23.10.2022 | Athletic Club B | - | Real Murcia | 0:3 | ||||
| 11. Ronde | 05.11.2022 | Athletic Club B | - | Gimnàstic de Tarragona | 0:0 | ||||
| 12. Ronde | 19.11.2022 | FC Barcelona B | - | Athletic Club B | 2:0 | |
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| 13. Ronde | 27.11.2022 | CA Osasuna B | - | Athletic Club B | 3:2 | ||||
| 15. Ronde | 08.12.2022 | CD Alcoyano | - | Athletic Club B | 3:3 | ||||
| 16. Ronde | 11.12.2022 | Athletic Club B | - | Atlético Baleares | 0:1 | ||||
| 19. Ronde | 15.01.2023 | Athletic Club B | - | Real Unión | 0:1 |
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