| Peña Deportiva beat AE Prat 2-1 (A) on 4 Apr 2021 |
| AE Prat beat Andorra 1-0 (H) on 6 Jan 2021 |
| Andorra beat Olot 1-0 (H) on 21 Nov 2020 |
| Olot beat Llagostera 1-0 (H) on 21 Mar 2021 |
| Llagostera beat Lleida Esportiu 1-0 (H) on 6 Feb 2021 |
| Lleida Esportiu beat Badalona 2-0 (A) on 1 Nov 2020 |
| Badalona beat RCD Espanyol B 2-0 (A) on 27 Feb 2021 |
| RCD Espanyol B beat Cornellà 1-0 (H) on 5 Dec 2020 |
| Cornellà beat Gimnàstic Tarragona 2-1 (H) on 28 Mar 2021 |
| Gimnàstic Tarragona beat CE L'Hospitalet 5-0 (H) on 29 Nov 2020 |
| CE L'Hospitalet beat Barcelona B 2-0 (H) on 22 Nov 2020 |
| Barcelona B beat Alcoyano 2-1 (H) on 3 Apr 2021 |
| Alcoyano beat Levante UD B 1-0 (H) on 22 Nov 2020 |
| Levante UD B beat Hércules 1-0 (A) on 14 Mar 2021 |
| Hércules beat Ibiza 1-0 (H) on 21 Feb 2021 |
| Ibiza beat Atzeneta UE 1-0 (H) on 8 Nov 2020 |
| Atzeneta UE beat Valencia B 3-2 (A) on 17 Jan 2021 |
| Valencia B beat La Nucía 1-0 (H) on 13 Mar 2021 |
| La Nucía beat Villarreal B 1-0 (A) on 30 Jan 2021 |
| Villarreal B beat Orihuela 2-0 (H) on 13 Dec 2020 |
| Orihuela beat Peña Deportiva 1-0 (H) on 29 Nov 2020 |
HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.