Each of the five groups of the Segunda División RFEF are represented by the four teams that finished the regular season between the second and fifth positions.
[1] In the draw for the first stage, the participating teams were assigned to pots corresponding to their final regular season position.
[3] The final two relegation spots (of 27 total) were also determined via play-offs.
The four 13th-place finishers with the lowest point totals were drawn into two single-leg matches, with the winners securing survival in the Segunda División RFEF and the losers being relegated to the Tercera División RFEF.
The two match-ups were selected through a random draw and hosted at a venue chosen from among the stadiums selected to host the promotion play-offs.