In case of an eliminatory competition tie, extra time would be played but there would not be a penalty shoot-out; the winner would be the best positioned team.
Background at 2012–13 Segunda División: Girona was the only known team to qualify for the play-offs before the last matchday, assuring fourth place in the 41st round.
Background at 2012–13 Segunda División: Alcorcón was one of the teams which they spent almost all season in promotion places, most of them in the play-offs zone, but they qualified for this phase in the last matchday.
Assistant referees: Francisco Javier García Sabuco (Navarre) Iñigo Prieto López de Ceraín (Navarre) Fourth official: David Jesús Pinto Herrera (Tenerife)
Assistant referees: César de Juana González (Cantabria) Mateo Nicolás Vaquero Agama (Extremadura) Fourth official: Adrián Cordero Vega (Cantabria)
Assistant referees: Jorge Bueno Mateo (Aragon) José Antonio Garrido Romero (Community of Madrid) Fourth official: Andrés Manuel Ceballos Silva (Extremadura)