Segunda B II| Segunda B | Segunda B I | Segunda B II | Segunda B III | Segunda B IV | Segunda B V |
| ROUND | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | Primera fase |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Segunda fase | |||||||||||||||
| Season archive |
| Segunda B II A | Overall | Home | Away | |||||||||||||||||||||
| P | W | D | L | F | A | Gdf | Pts | Form | P | W | D | L | F | A | P | W | D | L | F | A | ||||
 | 1 |  | Athletic B | 15 | 8 | 6 | 1 | 25 | 13 | +12 | 30 | WWWX | 7 | 4 | 2 | 1 | 10 | 3 | 8 | 4 | 4 | 0 | 15 | 10 |
| 2 | | Real Unión | 15 | 9 | 2 | 4 | 24 | 13 | +11 | 29 | WLWW | 7 | 5 | 1 | 1 | 18 | 7 | 8 | 4 | 1 | 3 | 6 | 6 |
| 3 |  1 | Amorebieta | 15 | 8 | 4 | 3 | 21 | 14 | +7 | 28 | WLLW | 8 | 6 | 1 | 1 | 14 | 8 | 7 | 2 | 3 | 2 | 7 | 6 |
| 4 |  1 | Real Sociedad B | 15 | 7 | 4 | 4 | 23 | 14 | +9 | 25 | LWWO | 7 | 5 | 0 | 2 | 13 | 5 | 8 | 2 | 4 | 2 | 10 | 9 | |
| 5 | | Racing Santander | 15 | 7 | 4 | 4 | 22 | 15 | +7 | 25 | WWWX | 8 | 4 | 2 | 2 | 14 | 7 | 7 | 3 | 2 | 2 | 8 | 8 | |
| 6 | 1 | Arenas de Getxo | 14 | 4 | 8 | 2 | 13 | 10 | +3 | 20 | WLXX | 7 | 3 | 4 | 0 | 10 | 5 | 7 | 1 | 4 | 2 | 3 | 5 | |
| 7 | 1 | Laredo | 16 | 5 | 3 | 8 | 13 | 23 | -10 | 18 | LLWL | 8 | 4 | 3 | 1 | 9 | 6 | 8 | 1 | 0 | 7 | 4 | 17 | |
 | 8 | | Alavés B | 16 | 4 | 4 | 8 | 15 | 22 | -7 | 16 | LLOL | 9 | 3 | 2 | 4 | 8 | 8 | 7 | 1 | 2 | 4 | 7 | 14 |
| 9 | 2 | Barakaldo | 14 | 3 | 2 | 9 | 13 | 28 | -15 | 11 | LWWL | 6 | 3 | 1 | 2 | 9 | 8 | 8 | 0 | 1 | 7 | 4 | 20 |
| 10 | 1 | Portugalete | 14 | 2 | 4 | 8 | 9 | 15 | -6 | 10 | OLLL | 8 | 1 | 3 | 4 | 4 | 7 | 6 | 1 | 1 | 4 | 5 | 8 |
| 11 | 1 | Leioa | 13 | 1 | 5 | 7 | 7 | 18 | -11 | 8 | LLXX | 6 | 1 | 4 | 1 | 6 | 6 | 7 | 0 | 1 | 6 | 1 | 12 |
| Segunda B II B | Overall | Home | Away | |||||||||||||||||||||
| P | W | D | L | F | A | Gdf | Pts | Form | P | W | D | L | F | A | P | W | D | L | F | A | ||||
| 1 | | Calahorra | 15 | 8 | 5 | 2 | 12 | 4 | +8 | 29 | WWWO | 8 | 4 | 3 | 1 | 6 | 3 | 7 | 4 | 2 | 1 | 6 | 1 |
| 2 | | Tudelano | 15 | 7 | 6 | 2 | 23 | 13 | +10 | 27 | WXWW | 7 | 3 | 3 | 1 | 12 | 8 | 8 | 4 | 3 | 1 | 11 | 5 |
| 3 | 1 | SD Logroñés | 15 | 6 | 7 | 2 | 17 | 8 | +9 | 25 | WLWX | 8 | 5 | 2 | 1 | 12 | 3 | 7 | 1 | 5 | 1 | 5 | 5 |
| 4 | 1 | Mutilvera | 15 | 6 | 5 | 4 | 22 | 13 | +9 | 23 | LXWO | 8 | 3 | 3 | 2 | 10 | 7 | 7 | 3 | 2 | 2 | 12 | 6 | |
| 5 | | Ebro | 15 | 5 | 7 | 3 | 12 | 15 | -3 | 22 | XXOO | 7 | 3 | 4 | 0 | 7 | 4 | 8 | 2 | 3 | 3 | 5 | 11 | |
| 6 | 1 | Osasuna B | 15 | 5 | 5 | 5 | 17 | 17 | +0 | 20 | WXOL | 7 | 3 | 3 | 1 | 10 | 7 | 8 | 2 | 2 | 4 | 7 | 10 | |
| 7 | 1 | Tarazona | 15 | 5 | 3 | 7 | 12 | 19 | -7 | 18 | LXLL | 8 | 4 | 1 | 3 | 7 | 6 | 7 | 1 | 2 | 4 | 5 | 13 |
| 8 | | Ejea | 15 | 3 | 5 | 7 | 10 | 17 | -7 | 14 | LOLL | 7 | 1 | 4 | 2 | 3 | 6 | 8 | 2 | 1 | 5 | 7 | 11 |
| 9 | | Izarra | 15 | 3 | 3 | 9 | 12 | 22 | -10 | 12 | LOLW | 8 | 2 | 2 | 4 | 8 | 11 | 7 | 1 | 1 | 5 | 4 | 11 |
| 10 | | Haro Deportivo | 15 | 1 | 6 | 8 | 12 | 21 | -9 | 9 | XXLX | 7 | 1 | 1 | 5 | 7 | 12 | 8 | 0 | 5 | 3 | 5 | 9 |
| 7 | Robert NAVARRO (Real Sociedad B, 2p) | |
| 6 | +1 | ÁNGEL SÁNCHEZ Baró (Tudelano) |
| Mikel ORBEGOZO (Tudelano, 3p) | ||
| NICO WILLIAMS (Athletic B, 3p) | ||
| 5 | CASI (Tarazona) | |
| +1 | Jorge GALÁN (Real Unión, 2p) | |
| +2 | IKER Unzueta (Amorebieta, 1p) | |
| Juan ARTOLA (Athletic B) | ||
| EDER ABAURREA Díaz (Mutilvera, 1p) | ||
| IMANOL Barace (Mutilvera, 3p) | ||
| 4 | JOEL Rodríguez (Osasuna B) | |
| JAVI LÓPEZ (Mutilvera) | ||
| +1 | Nikolai OBOLSKY (Barakaldo, 3p) | |
| SERGIO LLAMAS Pardo (Real Unión) | ||
| +1 | Iker AMORRORTU (Calahorra, 1p) | |
| ÁLVARO García (Laredo) | ||
| LEANDRO Martínez (Arenas de Getxo, 2p) | ||
| +1 | Unai REMENTERÍA (Arenas de Getxo, 1p) | |
| Jorge AGUIRRE (Real Sociedad B) | ||
| ÁLEX SÁNCHEZ (Tudelano) | ||
| JON ANDER Pérez (Racing Santander, 1p) | ||
| David VINATEA (Laredo, 1p) | ||
| +1 | Koldo OBIETA (Amorebieta) | |
| Asier CÓRDOBA (Osasuna B, 1p) | ||
| CARRI (Ebro, 3p) |
| Wednesday, 17 February 2021 | |||||
| 13 | Barakaldo | 1-0 | Laredo | ||
| 58 | Aitor Seguín | ||||
| Saturday, 20 February 2021 | |||||
| 17 | Real Unión | 3-1 | Real Sociedad B | ||
| 18(p) | Galán | 73 | Olasagasti | ||
| 66 | Thior | ||||
| 90 | Viguera | ||||
| 17 | Amorebieta | 3-2 | Alavés B | ||
| 5 | Iker | 28 | Alan | ||
| 52(p) | Iker | 90 | Sergi García | ||
| 64 | Obieta | ||||
| 15 | Mutilvera | 0-1 | Tudelano | ||
| 69 | Ángel Sánchez | ||||
| Sunday, 21 February 2021 | |||||
| 17 | Racing Santander | 3-1 | Laredo | ||
| 3 | Omoigui | 70 | Christian | ||
| 28 | Pablo Torre | ||||
| 40 | Soko | ||||
| 15 | Izarra | 1-2 | Osasuna B | ||
| 37 | Sergio Sánchez | 24 | Hualde | ||
| 35 | Hualde | ||||
| 15 | SD Logroñés | 1-0 | Ejea | ||
| 12 | Diego | ||||
| 17 | Arenas de Getxo | 4-1 | Barakaldo | ||
| 5 | Ian | 67(p) | Obolsky | ||
| 15 | Rafa Villanueva | ||||
| 54 | Álex Altube | ||||
| 85(p) | Rementería | ||||
| 15 | Ebro | 1-1 | Haro Deportivo | ||
| 25 | Sebas Moyano | 42 | Manjón | ||
| 15 | Tarazona | 0-2 | Calahorra | ||
| 67 | Amorrortu | ||||
| 90 | David Soto | ||||
