| 1. Jornada | 03.09.2023 | UD Logroñés | - | Bilbao Athletic | 0:0 | ||||
| 2. Jornada | 09.09.2023 | Bilbao Athletic | - | Utebo FC | 0:1 |  |
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| 6. Jornada | 08.10.2023 | Alavés B | - | Bilbao Athletic | 0:2 | ||||
| 7. Jornada | 14.10.2023 | Bilbao Athletic | - | Zaragoza B | 2:0 | ||||
| 10. Jornada | 04.11.2023 | Arenas de Getxo | - | Bilbao Athletic | 0:3 | |
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| 12. Jornada | 19.11.2023 | CD Calahorra | - | Bilbao Athletic | 0:1 | ||||
| 13. Jornada | 25.11.2023 | Bilbao Athletic | - | CD Tudelano | 4:0 | ||||
| 15. Jornada | 09.12.2023 | Bilbao Athletic | - | Real Sociedad C | 3:0 |
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