The match will take place at the 'Antonio Lorenzo Cuevas' stadium in Marbella
Due to the format of the competition pairing the best-placed sides against those who finisher lower, we now know the pairings for the Segunda B play-off finals: Barça B will face Sabadell; whilst Castellón take on Cornellà.
Barça B's matches will take place at 8PM (local time) on Sunday at the 'Antonio Lorenzo Cuevas' stadium in Marbella. The other game between Castellón and Cornellà is at Malaga's 'La Rosaleda' stadium.
Barça B secured their place in the finals after beating Badajoz 5-3 on penalties. Their opponents, Sabadell, also needed penalties (7-6) to get past Cultural Leonesa.