| Real Betis B beat Córdoba 2-1 (A) on 21 Mar 2021 |
| Córdoba beat Linares Deportivo 2-1 (H) on 21 Feb 2021 |
| Linares Deportivo beat Real Murcia 2-0 (H) on 14 Feb 2021 |
| Real Murcia beat Lorca Deportiva 2-1 (A) on 8 Nov 2020 |
| Lorca Deportiva beat Yeclano Deportivo 2-1 (A) on 3 Mar 2021 |
| Yeclano Deportivo beat Sevilla Atlético 3-1 (H) on 10 Jan 2021 |
| Sevilla Atlético beat UCAM Murcia 3-2 (A) on 17 Jan 2021 |
| UCAM Murcia beat El Ejido 2-1 (H) on 8 Nov 2020 |
| El Ejido beat Recreativo Granada 1-0 (A) on 14 Feb 2021 |
| Recreativo Granada beat Marino 2-1 (A) on 3 Apr 2021 |
| Marino beat Recreativo Huelva 2-1 (H) on 6 Mar 2021 |
| Recreativo Huelva beat San Fernando 3-1 (H) on 28 Feb 2021 |
| San Fernando beat Algeciras 3-0 (A) on 21 Feb 2021 |
| Algeciras beat RB Linense 1-0 (A) on 14 Mar 2021 |
| RB Linense beat Atlético Sanluqueño 4-0 (A) on 7 Feb 2021 |
| Atlético Sanluqueño beat Cádiz B 2-1 (A) on 3 Jan 2021 |
| Cádiz B beat Las Palmas B 2-0 (H) on 18 Oct 2020 |
| Las Palmas B beat Tamaraceite 2-0 (A) on 21 Mar 2021 |
| Tamaraceite beat Marbella 3-1 (H) on 1 Nov 2020 |
FLP: Thick arrows show the earliest chain of wins that passes through every team.