| UCAM Murcia beat Sevilla Atlético 2-0 (H) on 16 Dec 2012 |
| Sevilla Atlético beat Real Betis B 4-0 (H) on 9 Dec 2012 |
| Real Betis B beat San Fernando 3-1 (H) on 16 Sep 2012 |
| San Fernando beat La Roda 2-1 (H) on 16 Dec 2012 |
| La Roda beat Lucena 1-0 (H) on 23 Sep 2012 |
| Lucena beat Écija Balompié 2-0 (A) on 2 Dec 2012 |
| Écija Balompié beat Loja CD 2-1 (H) on 16 Dec 2012 |
| Loja CD beat Villanovense 1-0 (H) on 11 Nov 2012 |
| Villanovense beat Cádiz 1-0 (H) on 16 Sep 2012 |
| Cádiz beat Cartagena 3-0 (H) on 21 Oct 2012 |
| Cartagena beat Albacete Balompié 3-2 (H) on 25 Aug 2012 |
| Albacete Balompié beat Melilla 3-2 (H) on 16 Sep 2012 |
| Melilla beat Arroyo CP 2-0 (H) on 18 Nov 2012 |
| Arroyo CP beat RB Linense 3-1 (H) on 7 Oct 2012 |
| RB Linense beat Almería B 1-0 (A) on 4 Nov 2012 |
| Almería B beat Atlético Sanluqueño 2-1 (H) on 21 Oct 2012 |
| Atlético Sanluqueño beat Real Jaén 1-0 (H) on 13 Oct 2012 |
| Real Jaén beat Cacereño 2-0 (A) on 16 Sep 2012 |
| Cacereño beat San Roque 4-0 (H) on 15 Dec 2012 |
| San Roque beat UCAM Murcia 2-0 (H) on 9 Dec 2012 |
HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.