Play-offs, final stage

Four teams qualified for the final stage, where they will play-off over one leg for the two remaining promotion spots. Curiously, all four are from regional group III. (23.07.20)

Results were as follows. Castellón and Sabadell are promoted. (26.07.20)

26 Jul Castellón
Juanito Ortuño
1-0 Cornellà
26 Jul Barcelona B
1-2 Sabadell
Aleix Coch, Néstor