Head to Head
| Spain Tercera - Play-Offs | 2021/05/23 16:30 | FC La Union Atletico v Cartagena FC | W | 3-1 |
| Spain Tercera Group 13 | 2021/02/28 15:00 | Cartagena FC v FC La Union Atletico | W | 0-2 |
| Spain Tercera Group 13 | 2020/11/29 10:30 | FC La Union Atletico v Cartagena FC | D | 1-1 |