The 2000 Tercera División play-offs to Segunda División B from Tercera División (Promotion play-offs) were the final playoffs for the promotion from 1999–2000 Tercera División to 2000–01 Segunda División B. The first four teams in each group (excluding reserve teams) took part in the play-off.
The 68 participating teams were divided into 5 series each made up of 4 groups in the category, with the exception of Series E , which was only formed by Group XII . Each series was divided into 4 groups formed by a 1st, a 2nd, a 3rd and a 4th classified from each group, which played a double-round playoff. Each victory was equivalent to 3 points, the tie to 1 point and the defeat to 0 points. The champion of each group obtained the promotion to Second Division B.
The distribution of each series was as follows:
Series A:
| Series B:
| Series C:
| Series D:
| Series E:
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See main article: 1999–2000 Tercera División.
| width=210 | Group I – Galicia | width=210 | Group II – Asturias | width=210 | Group III – Cantabria | width=210 | Group IV – Basque Country | width=210 | Group V – Catalonia |
|---|---|---|---|---|---|---|---|---|---|
| 1st CD Lealtad | 1st SD Noja | 1st Real Sociedad B | 1st CF Balaguer | ||||||
| 2nd Deportivo La Coruña B | 2nd Club Siero | 2nd CD Tropezón | 2nd SD Lemona | 2nd RCD Espanyol B | |||||
| 3rd UD Xove Lago | 3rd Club Marino de Luanco | 3rd Racing de Santander B | 3rd Arenas de Getxo | 3rd CE Mataró | |||||
| 4th CD Lalín | 4th AD Universidad de Oviedo | 4th CD Miengo | 4th SD Eibar B | 4th UE Cornellà |
| width=210 | Group VI – Valencian Community | width=210 | Group VII – Community of Madrid | width=210 | Group VIII – Castile and León | width=210 | Group IX – E. Andalusia and Melilla | width=210 | Group X – W. Andalusia and Ceuta |
|---|---|---|---|---|---|---|---|---|---|
| 1st CD Onda | 1st CD Coslada | 1st UD Salamanca B | 1st Polideportivo Ejido | 1st Algeciras CF | |||||
| 2nd CD Burriana | 3rd DAV Santa Ana | 2nd La Bañeza FC | 2nd CD Linares | 2nd CD San Fernando | |||||
| 3rd Benidorm CD | 4th RSD Alcalá | 3rd CA Bembibre | 3rd UD Maracena | 3rd Puerto Real CF | |||||
| 4th Alicante CF | 5th AD Alcorcón | 4th CD Béjar Industrial | 4th Almería CF | 4th RC Portuense |
| width=210 | Group XI – Balearic Islands | width=210 | Group XII – Canary Islands | width=210 | Group XIII – Region of Murcia | width=210 | Group XIV – Extremadura | width=210 | Group XV – Navarre and La Rioja |
|---|---|---|---|---|---|---|---|---|---|
| 1st CD Atlético Baleares | 1st UD Las Palmas B | 1st Club Olímpico de Totana | 1st Mérida Promesas UD | 1st Peña Sport FC | |||||
| 2nd CD Constancia | 2nd UD Orotava | 2nd UD Horadada | 2nd CD Don Benito | 2nd UDC Chantrea | |||||
| 3rd CD Manacor | 3rd UD Vecindario | 3rd AD Mar Menor | 3rd UP Plasencia | 3rd CD Mirandés | |||||
| 4th SCR Peña Deportiva | 4th Castillo CF | 4th Orihuela CF | 4th CF Villanovense | 4th CD Logroñés B |
| width=210 | Group XVI – Aragon | width=210 | Group XVII – Castilla–La Mancha |
|---|---|---|---|
| 1st UD Fraga | 1st UD Puertollano | ||
| 2nd SD Huesca | 2nd Albacete Balompié B | ||
| 3rd CD Endesa Andorra | 3rd CP Villarrobledo | ||
| 4th UD Barbastro | 4th AD Torpedo 66 |
| Group I – Galicia
Group II – Asturias Group III – Cantabria Group IV – Basque Country Group V – Catalonia Group VI – Valencian Community | Group VII – Community of Madrid
Group VIII – Castile and León
Group IX – E. Andalusia and Melilla Group X – W. Andalusia and Ceuta Group XI – Balearic Islands
Group XII – Canary Islands | Group XIII – Region of Murcia
Group XIV – Extremadura
Group XV – Navarre and La Rioja Group XVI – Aragon
Group XVII – Castilla–La Mancha
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