| 4. Ronde | 08.11.2020 | CD Laredo | - | Real Unión | 1:0 |  |
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| 7. Ronde | 29.11.2020 | Club Portugalete | - | CD Laredo | 0:1 | ||||
| 8. Ronde | 05.12.2020 | CD Laredo | - | Athletic Club B | 2:2 | ||||
| 18. Ronde | 28.02.2021 | CD Laredo | - | Club Portugalete | 0:1 | ||||
| 19. Ronde | 06.03.2021 | Athletic Club B | - | CD Laredo | 2:1 | |
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| 20. Ronde | 13.03.2021 | CD Laredo | - | CD Alavés B | 2:1 | ||||
| 21. Ronde | 21.03.2021 | SD Leioa | - | CD Laredo | 0:1 |
Spanje