[6] Aurrera Ondarroa 1-0 CD Ariznabarra [9] 2021-04-11 09:00
Stadium: Campo de Futbol de Zaldupe Round: 1
Home History
| Spain Tercera Group 4 | 2021/03/20 16:00 | Aurrera Ondarroa v Urgatzi KK | W | 4-1 |
| Spain Tercera Group 4 | 2021/03/13 16:00 | JD Somorrostro v Aurrera Ondarroa | W | 0-2 |
| Spain Tercera Group 4 | 2021/03/06 15:30 | Aurrera Ondarroa v Santutxu | W | 3-1 |
| Spain Tercera Group 4 | 2021/02/27 15:30 | Tolosa v Aurrera Ondarroa | L | 2-1 |
| Spain Tercera Group 4 | 2021/02/20 15:30 | Aurrera Ondarroa v Real Sociedad C | L | 1-3 |
| Spain Tercera Group 4 | 2021/02/13 16:00 | Gernika v Aurrera Ondarroa | L | 3-1 |
| Spain Tercera Group 4 | 2021/02/10 18:30 | Balmaseda FC v Aurrera Ondarroa | W | 0-1 |
| Spain Tercera Group 4 | 2021/02/06 16:30 | Aurrera Ondarroa v Sestao River | L | 0-1 |
Away History
| Spain Tercera Group 4 | 2021/03/20 16:00 | Basconia v CD Ariznabarra | L | 2-0 |
| Spain Tercera Group 4 | 2021/03/14 11:00 | CD Ariznabarra v Santurtzi | D | 0-0 |
| Spain Tercera Group 4 | 2021/03/10 18:30 | CD Vitoria v CD Ariznabarra | L | 3-0 |
| 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 |