| 16. Ronde | 11.12.2022 | Athletic Club B | - | Atlético Baleares | 0:1 | ||||
| 17. Ronde | 18.12.2022 | Athletic Club B | - | SD Logroñés | 0:2 | ||||
| 18. Ronde | 08.01.2023 | CE Sabadell | - | Athletic Club B | 1:0 | ||||
| 19. Ronde | 15.01.2023 | Athletic Club B | - | Real Unión | 0:1 | ||||
| 20. Ronde | 21.01.2023 | Real Murcia | - | Athletic Club B | 3:1 | ||||
| 21. Ronde | 29.01.2023 | Athletic Club B | - | UD Logroñés | 3:0 | ||||
| 22. Ronde | 05.02.2023 | Gimnàstic de Tarragona | - | Athletic Club B | 0:0 | ||||
| 23. Ronde | 12.02.2023 | CF Intercity | - | Athletic Club B | 1:0 | ||||
| 24. Ronde | 18.02.2023 | Athletic Club B | - | FC Barcelona B | 1:1 | ||||
| 25. Ronde | 26.02.2023 | Real Sociedad B | - | Athletic Club B | 0:0 | ||||
| 26. Ronde | 05.03.2023 | Athletic Club B | - | CD Calahorra | 2:3 | ||||
| 27. Ronde | 12.03.2023 | SD Logroñés | - | Athletic Club B | 1:1 | ||||
| 28. Ronde | 18.03.2023 | Athletic Club B | - | CE Sabadell | 2:2 |
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