| Jor. 1 | Atlético de Madrid B | 1-3 | Real Madrid B | 20/12/2020 | Jor. 2 | Descansa | Atlético de Madrid B | 21/11/2020 | Jor. 3 | Atlético de Pinto A | 1-3 | Atlético de Madrid B | 28/11/2020 | Jor. 4 | Atlético de Madrid B | 4-0 | Leganés A | 12/12/2020 | Jor. 5 | Unión Adarve B | 1-1 | Atlético de Madrid B | 20/02/2021 | Jor. 6 | Atlético de Madrid B | 0-1 | CD Nuevo Boadilla A | 27/03/2021 | Jor. 7 | Rayo Vallecano A | 1-3 | Atlético de Madrid B | 30/01/2021 | Jor. 8 | Atlético de Madrid B | 3-0 | Rivas FC A | 06/02/2021 | Jor. 9 | Móstoles URJC A | 2-1 | Atlético de Madrid B | 27/02/2021 | Jor. 10 | Atlético de Madrid B | 6-1 | Colonia Moscardó A | 06/03/2021 | Jor. 11 | Atlético Madrileño A | 2-1 | Atlético de Madrid B | 18/03/2021 | Jor. 12 | Atlético de Madrid B | 4-0 | Trival Valderas A | 10/04/2021 | Jor. 13 | Getafe CF A | 1-1 | Atlético de Madrid B | 17/04/2021 | Jor. 14 | Atlético de Madrid B | 2-1 | ED Moratalaz A | 24/04/2021 | Jor. 15 | EFMO Boadilla A | 3-5 | Atlético de Madrid B | 15/05/2021 | Jor. 16 | Atlético de Madrid B | 4-0 | AD Alcorcón A | 22/05/2021 | Jor. 17 | Unión Carrascal A | 0-6 | Atlético de Madrid B | 29/05/2021 | Jor. 18 | Atlético de Madrid B | 3-1 | CF Fuenlabrada A | 12/06/2021 | Jor. 19 | AD Illescas A | 1-6 | Atlético de Madrid B | 19/06/2021 |
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