2013 Tercera División play-offs
The 2013 Tercera División play-offs to Segunda División B from Tercera División were the final playoffs for the promotion from 2012–13 Tercera División to 2013–14 Segunda División B. The first four teams in each group took part in the play-off.
Format
The eighteen group winners have the opportunity to be promoted directly to Segunda División B. The eighteen group winners were drawn into a two-legged series where the nine winners will promote to Segunda División B. The nine losing clubs will enter the play-off round for the last nine promotion spots.The eighteen runners-up were drawn against one of the seventeen fourth-placed clubs outside their group and the eighteen third-placed clubs were drawn against one another in a two-legged series. The twenty-seven winners will advance with the nine losing clubs from the champions' series to determine the eighteen teams that will enter the last two-legged series for the last nine promotion spots. In all the playoff series, the lower-ranked club play at home first. Whenever there is a tie in position, a draw determines the club to play at home first.
Group Winners Promotion Play-off
Qualified teams
The draw took place in the RFEF headquarters, in Las Rozas, on 20 May 2013, 17:00 CEST.| Group | Team |
| 1 | Racing Ferrol |
| 2 | Tuilla |
| 3 | Tropezón |
| 4 | Laudio |
| 5 | Olot |
| 6 | Elche Ilicitano |
| 7 | Puerta Bonita |
| 8 | Burgos |
| 9 | El Palo |
| Group | Team |
| 10 | Algeciras |
| 11 | Santa Eulàlia |
| 12 | Las Palmas Atlético |
| 13 | La Hoya Lorca |
| 14 | Extremadura |
| 15 | San Juan |
| 16 | Haro |
| 17 | Sariñena |
| 18 | Toledo |
Matches
First leg
Second leg
Non-champions Promotion Play-off
First round
Qualified teams
The draw took place in the RFEF headquarters, in Las Rozas, on 20 May 2013, 17:00 CEST.| Group | Position | Team |
| 1 | 2nd | Celta B |
| 2 | 2nd | Universidad Oviedo |
| 3 | 2nd | Rayo Cantabria |
| 4 | 2nd | Arenas Club |
| 5 | 2nd | Cornellà |
| 6 | 2nd | Novelda |
| 7 | 2nd | Collado Villalba |
| 8 | 2nd | Cultural Leonesa |
| 9 | 2nd | Mancha Real |
| 10 | 2nd | Córdoba B |
| 11 | 2nd | Poblense |
| 12 | 2nd | Granadilla |
| 13 | 2nd | Cieza |
| 14 | 2nd | UD Badajoz |
| 15 | 2nd | Mutilvera |
| 16 | 2nd | Alfaro |
| 17 | 2nd | Andorra |
| 18 | 2nd | Conquense |
| Group | Position | Team |
| 1 | 3rd | Compostela |
| 2 | 3rd | Covadonga |
| 3 | 3rd | Cayón |
| 4 | 3rd | Portugalete |
| 5 | 3rd | Europa |
| 6 | 3rd | Alzira |
| 7 | 3rd | Trival Valderas |
| 8 | 3rd | Arandina |
| 9 | 3rd | Granada B |
| 10 | 3rd | Coria |
| 11 | 3rd | Formentera |
| 12 | 3rd | Estrella |
| 13 | 3rd | Mar Menor |
| 14 | 3rd | Don Benito |
| 15 | 3rd | Iruña |
| 16 | 3rd | Calahorra |
| 17 | 3rd | Ebro |
| 18 | 3rd | Azuqueca |
| Group | Position | Team |
| 1 | 4th | Deportivo B |
| 2 | 4th | Langreo |
| 3 | 4th | Laredo |
| 4 | 4th | Leioa |
| 5 | 4th | Manlleu |
| 6 | 4th | Castellón |
| 7 | 4th | Unión Adarve |
| 8 | 4th | Gimnástica Segoviana |
| 9 | 4th | Atlético Malagueño |
| 10 | 4th | Mairena |
| 11 | 4th | Alcúdia |
| 12 | 4th | Unión Viera |
| 13 | 4th | Jumilla |
| 14 | 4th | Díter Zafra |
| 15 | 4th | Cortes |
| 16 | 4th | Varea |
| 17 | 4th | Utebo |
| 18 | 4th | Talavera |
Matches
First leg
Second leg
Second round
Qualified teams
The draw was held in the RFEF headquarters, in Las Rozas, on 3 June 2013, 17:30 CEST.| Group | Position | Team | Notes |
| 2 | 1st | Tuilla | Group Winners Promotion Play-off losers |
| 3 | 1st | Tropezón | Group Winners Promotion Play-off losers |
| 4 | 1st | Laudio | Group Winners Promotion Play-off losers |
| 5 | 1st | Olot | Group Winners Promotion Play-off losers |
| 9 | 1st | El Palo | Group Winners Promotion Play-off losers |
| 11 | 1st | Santa Eulàlia | Group Winners Promotion Play-off losers |
| 14 | 1st | Extremadura | Group Winners Promotion Play-off losers |
| 15 | 1st | San Juan | Group Winners Promotion Play-off losers |
| 18 | 1st | Haro | Group Winners Promotion Play-off losers |
| Group | Position | Team |
| 1 | 2nd | Celta B |
| 2 | 2nd | Universidad de Oviedo |
| 4 | 2nd | Arenas Club |
| 8 | 2nd | Cultural Leonesa |
| 9 | 2nd | Mancha Real |
| 10 | 2nd | Córdoba B |
| 11 | 2nd | Poblense |
| 12 | 2nd | Granadilla |
| 13 | 2nd | Cieza |
| 14 | 2nd | UD Badajoz |
| 15 | 2nd | Mutilvera |
| 18 | 2nd | Conquense |
| Group | Position | Team |
| 1 | 3rd | Compostela |
| 3 | 3rd | Cayón |
| 6 | 3rd | Alzira |
| 8 | 3rd | Arandina |
| 9 | 3rd | Granada B |
| 10 | 3rd | Coria |
| 13 | 3rd | Mar Menor |
| 14 | 3rd | Don Benito |
| 18 | 3rd | Azuqueca |
| Group | Position | Team |
| 1 | 4th | Deportivo B |
| 7 | 4th | Unión Adarve |
| 10 | 4th | Mairena |
| 13 | 4th | Jumilla |
| 16 | 4th | Varea |
| 17 | 4th | Utebo |
Matches
First leg
Second leg
Final round
Qualified teams
The draw was held in the RFEF headquarters, in Las Rozas, on 17 June 2013, 16:45 CEST.| Group | Position | Team | Notes |
| 3 | 1st | Tropezón | Group Winners Promotion Play-off losers |
| 4 | 1st | Laudio | Group Winners Promotion Play-off losers |
| 5 | 1st | Olot | Group Winners Promotion Play-off losers |
| 9 | 1st | El Palo | Group Winners Promotion Play-off losers |
| 14 | 1st | Extremadura | Group Winners Promotion Play-off losers |
| Group | Position | Team |
| 1 | 2nd | Celta B |
| 2 | 2nd | Universidad de Oviedo |
| 4 | 2nd | Arenas Club |
| 8 | 2nd | Cultural Leonesa |
| 11 | 2nd | Poblense |
| 13 | 2nd | Cieza |
| 18 | 2nd | Conquense |
| Group | Position | Team |
| 1 | 3rd | Compostela |
| 6 | 3rd | Alzira |
| 8 | 3rd | Arandina |
| 9 | 3rd | Granada B |
| 13 | 3rd | Mar Menor |
| Group | Position | Team |
| 1 | 4th | Deportivo B |