D | 2024-05-05 | Real Zaragoza |  | 5-2 |  | Athletic Bilbao B | Grp.A | | |
D | 2024-04-28 | Athletic Bilbao B | | 0-4 |  | Viajes Interrías | Grp.A | | |
D | 2024-04-20 | Real Oviedo |  | 1-0 | | Athletic Bilbao B | Grp.A | | |
D | 2024-04-14 | Athletic Bilbao B | | 1-5 |  | Real Madrid B | Grp.A | | |
E | 2024-04-06 | Atlético de Madrid B |  | 1-1 | | Athletic Bilbao B | Grp.A | | |
D | 2024-03-23 | Athletic Bilbao B | | 2-3 |  | Racing Santander | Grp.A | | |
D | 2024-03-17 | Osasuna B |  | 3-0 | | Athletic Bilbao B | Grp.A | | |
V | 2024-03-09 | Athletic Bilbao B | | 2-1 |  | Bizkerre FT | Grp.A | | |
E | 2024-02-24 | Huesca |  | 0-0 | | Athletic Bilbao B | Grp.A | | |
D | 2024-02-17 | Athletic Bilbao B | | 0-3 |  | Sporting Gijón | Grp.A | | |
D | 2024-02-10 | Real Sociedad B |  | 6-1 | | Athletic Bilbao B | Grp.A | | |
V | 2024-02-03 | Athletic Bilbao B | | 3-0 |  | Rayo Vallecano | Grp.A | | |
E | 2024-01-28 | Espanyol B |  | 2-2 | | Athletic Bilbao B | Grp.A | | |
D | 2024-01-21 | Athletic Bilbao B | | 1-2 |  | Pradejón | Grp.A | | |
D | 2024-01-14 | Atlético Baleares |  | 3-2 | | Athletic Bilbao B | Grp.A | | |
D | 2024-01-06 | Athletic Bilbao B | | 0-3 | | Real Zaragoza | Grp.A | | |
D | 2023-12-09 | Viajes Interrías | | 2-0 | | Athletic Bilbao B | Grp.A | | |
D | 2023-12-02 | Athletic Bilbao B | | 0-1 | | Real Oviedo | Grp.A | | |
D | 2023-11-25 | Real Madrid B | | 2-0 | | Athletic Bilbao B | Grp.A | | |
V | 2023-11-19 | Athletic Bilbao B | | 1-0 | | Atlético de Madrid B | Grp.A | | |
D | 2023-11-12 | Racing Santander | | 4-1 | | Athletic Bilbao B | Grp.A | | |
E | 2023-11-05 | Athletic Bilbao B | | 2-2 | | Osasuna B | Grp.A | | |
E | 2023-10-28 | Bizkerre FT | | 1-1 | | Athletic Bilbao B | Grp.A | | |
D | 2023-10-22 | Athletic Bilbao B | | 1-3 | | Huesca | Grp.A | | |
V | 2023-10-14 | Sporting Gijón | | 2-4 | | Athletic Bilbao B | Grp.A | | |
E | 2023-10-08 | Athletic Bilbao B | | 0-0 | | Real Sociedad B | Grp.A | | |
D | 2023-10-01 | Rayo Vallecano | | 1-0 | | Athletic Bilbao B | Grp.A | | |
V | 2023-09-23 | Athletic Bilbao B | | 3-0 | | Espanyol B | Grp.A | | |
V | 2023-09-17 | Pradejón | | 0-1 | | Athletic Bilbao B | Grp.A | | |
E | 2023-09-10 | Athletic Bilbao B | | 1-1 | | Atlético Baleares | Grp.A | | |
