| Cartagena beat Albacete Balompié 3-2 (H) on 25 Aug 2012 |
| Albacete Balompié beat Melilla 3-2 (H) on 16 Sep 2012 |
| Melilla beat Cacereño 2-1 (H) on 9 Sep 2012 |
| Cacereño beat Real Betis B 2-0 (H) on 12 Oct 2012 |
| Real Betis B beat San Fernando 3-1 (H) on 16 Sep 2012 |
| San Fernando beat Écija Balompié 2-1 (A) on 14 Oct 2012 |
| Écija Balompié beat Sevilla Atlético 3-0 (A) on 26 Aug 2012 |
| Sevilla Atlético beat RB Linense 5-3 (H) on 23 Sep 2012 |
| RB Linense beat San Roque 2-1 (H) on 16 Sep 2012 |
| San Roque beat Arroyo CP 1-0 (H) on 14 Oct 2012 |
| Arroyo CP beat Atlético Sanluqueño 1-0 (H) on 23 Sep 2012 |
| Atlético Sanluqueño beat Real Jaén 1-0 (H) on 13 Oct 2012 |
| Real Jaén beat Lucena 3-1 (H) on 7 Oct 2012 |
| Lucena beat Almería B 4-2 (H) on 13 Oct 2012 |
| Almería B beat Villanovense 1-0 (A) on 1 Sep 2012 |
| Villanovense beat Cádiz 1-0 (H) on 16 Sep 2012 |
| Cádiz beat Loja CD 3-0 (H) on 25 Aug 2012 |
| Loja CD beat La Roda 1-0 (A) on 7 Oct 2012 |
| La Roda beat UCAM Murcia 1-0 (H) on 25 Aug 2012 |
FLP: Thick arrows show the earliest chain of wins that passes through every team.