Stadium: Futbol Zelaia Olabide Gasteiz Round: 3
| Spain Tercera Group 4 | 2021/03/06 17:00 | Urgatzi KK v JD Somorrostro | W | 1-0 |
| Spain Tercera Group 4 | 2021/02/28 10:00 | Santutxu v Urgatzi KK | L | 3-0 |
| Spain Tercera Group 4 | 2021/02/20 16:00 | Urgatzi KK v Tolosa | D | 1-1 |
| Spain Tercera Group 4 | 2021/02/14 15:30 | Real Sociedad C v Urgatzi KK | L | 5-0 |
| Spain Tercera Group 4 | 2021/02/06 16:00 | Urgatzi KK v Gernika | L | 0-5 |
| Spain Tercera Group 4 | 2021/01/30 16:30 | Sestao River v Urgatzi KK | L | 7-0 |
| Spain Tercera Group 4 | 2021/01/27 19:30 | Urgatzi KK v Balmaseda FC | L | 1-3 |
| Spain Tercera Group 4 | 2021/01/23 17:00 | Urgatzi KK v SD Deusto | L | 0-2 |
| Spain Tercera Group 4 | 2021/03/06 15:30 | Lagun Onak v CD Ariznabarra | L | 3-0 |
| Spain Tercera Group 4 | 2021/02/28 11:00 | CD Ariznabarra v Urduliz FT | L | 0-3 |
| Spain Tercera Group 4 | 2021/02/07 11:00 | CD Ariznabarra v Cultural de Durango | D | 0-0 |
| Spain Tercera Group 4 | 2021/02/03 18:00 | CD Ariznabarra v San Ignacio | W | 2-0 |
| Spain Tercera Group 4 | 2021/01/30 16:00 | Sodupe v CD Ariznabarra | L | 3-1 |
| Spain Tercera Group 4 | 2021/01/24 11:00 | CD Ariznabarra v CD Anaitasuna | D | 1-1 |
| Spain Tercera Group 4 | 2021/01/20 18:30 | CD Ariznabarra v Basconia | L | 0-1 |
| Spain Tercera Group 4 | 2021/01/16 15:30 | Pasaia KE v CD Ariznabarra | D | 0-0 |