Gameplan
| Date | Round | Match | Match | Res. | Attendance | |
|---|---|---|---|---|---|---|
| 04.01.2026 |  | Matchday 17 | Sestao River - SD Amorebieta | Ses - AMO | 1:2 | 2.000 |
| 18.01.2026 | | Matchday 19 | Sestao River - SD Ejea | Ses - EJE | 2:0 | 2.221 |
| 31.01.2026 | | Matchday 21 | Sestao River - CD Alfaro | Ses - | 1:0 | 1.175 |
| 15.02.2026 | | Matchday 23 | Sestao River - Real Unión | Ses - REA | 1:2 | 1.920 |
| 28.02.2026 | | Matchday 25 | Sestao River - CD Alavés B | Ses - ALA | 1:2 | 1.509 |
| 22.03.2026 | | Matchday 28 | Sestao River - UD Mutilvera | Ses - MUT | 4:0 | 1.404 |
| 05.04.2026 | | Matchday 30 | Sestao River - SD Beasain | Ses - | 1:1 | |
| 18.04.2026 | | Matchday 32 | Sestao River - CD Basconia | Ses - | 2:2 | 1.520 |
| 03.05.2026 | | Matchday 34 | Sestao River - Utebo FC | Ses - | 1:0 | 1.097 |
| 13.09.2026 |  | Matchday 2 | Sestao River - Real Oviedo B | Ses - OVI | 2:0 | 1.404 |
| 26.09.2026 | | Matchday 4 | Sestao River - Astorga | Ses - | 2:0 | 1.380 |
| 10.10.2026 | | Matchday 6 | Sestao River - Gim.Torrelavega | Ses - | 0:0 | 1.436 |
| 24.10.2026 | | Matchday 8 | Sestao River - Arosa SC | Ses - | 1:0 | 2.300 |
| 27.10.2026 |  | 1. Round | Sestao River - RCD Espanyol | Ses - RCD | 4:3 | 3.346 |
| 08.11.2026 | | Matchday 10 | Sestao River - CD Alavés B | Ses - ALA | 2:0 | 1.746 |