Home History
| Spain Segunda Division RFEF Group 2 | 2021/09/05 15:00 | CD Cayon v AD San Juan | W | 0-2 |
| Spain Tercera Group 15 | 2021/05/29 15:00 | Pena Sport v AD San Juan | W | 0-1 |
| Spain Tercera Group 15 | 2021/05/22 16:00 | AD San Juan v Cirbonero | D | 0-0 |
| Spain Tercera Group 15 | 2021/05/08 15:00 | Ardoi v AD San Juan | W | 0-2 |
| Spain Tercera Group 15 | 2021/05/01 15:00 | AD San Juan v Pena Sport | W | 5-0 |
| Spain Tercera Group 15 | 2021/04/18 15:00 | Cirbonero v AD San Juan | W | 0-1 |
| Spain Tercera Group 15 | 2021/04/10 15:00 | AD San Juan v Ardoi | D | 1-1 |
| Spain Tercera Group 15 | 2021/03/27 15:30 | AD San Juan v Subiza | D | 1-1 |
Away History
| Spain Segunda Division RFEF Group 2 | 2021/09/05 15:00 | Rayo Cantabria v Real Sociedad C | L | 0-2 |
| Europe Friendlies | 2021/08/11 16:00 | Rayo Cantabria v Basconia | L | 0-1 |
| Europe Friendlies | 2021/08/07 10:00 | Rayo Cantabria v Barakaldo | D | 0-0 |
| Spain Tercera Group 3 | 2021/05/15 16:30 | Rayo Cantabria v Escobedo | L | 1-3 |
| Spain Tercera Group 3 | 2021/05/09 15:00 | Tropezon v Rayo Cantabria | D | 0-0 |
| Spain Tercera Group 3 | 2021/05/02 10:00 | Rayo Cantabria v Gimnastica de Torrelavega | L | 0-1 |
| Spain Tercera Group 3 | 2021/04/28 17:00 | Rayo Cantabria v Tropezon | D | 2-2 |
| Spain Tercera Group 3 | 2021/04/24 16:00 | Escobedo v Rayo Cantabria | W | 0-2 |