Head to Head
| England Development League 2 | 2023/02/13 18:00 | Swansea U21 v Cardiff U21 | D | 2-2 |
| England Development League 2 | 2022/10/11 12:00 | Cardiff U21 v Swansea U21 | L | 4-3 |
Home History
| England Development League 2 | 2023/09/12 13:00 | Coventry U21 v Swansea U21 | W | 2-3 |
| England Development League 2 | 2023/09/04 11:00 | Swansea U21 v Hull U21 | W | 4-0 |
| England Development League 2 | 2023/08/29 13:00 | Sheff Utd U21 v Swansea U21 | L | 4-2 |
| England Development League 2 | 2023/08/21 12:00 | Swansea U21 v Crewe U21 | W | 4-1 |
| England Development League 2 | 2023/08/15 12:00 | Barnsley U21 v Swansea U21 | L | 4-2 |
| Wales League Cup | 2023/08/05 13:30 | Swansea U21 v Caerau Ely | W | 3-1 |
| Wales League Cup | 2023/07/22 13:30 | Carmarthen v Swansea U21 | W | 0-4 |
| England Development League 2 | 2023/05/10 13:00 | Swansea U21 v Birmingham U21 | W | 10-1 |
Away History
| England Development League 2 | 2023/09/12 12:00 | Sheff Utd U21 v Cardiff U21 | L | 6-2 |
| England Development League 2 | 2023/09/01 13:00 | Cardiff U21 v Barnsley U21 | W | 2-1 |
| England Development League 2 | 2023/08/26 10:00 | Burnley U21 v Cardiff U21 | D | 2-2 |
| England Development League 2 | 2023/08/22 11:00 | Cardiff U21 v Sheffield Wed U21 | D | 3-3 |
| England Development League 2 | 2023/08/15 12:00 | Fleetwood Town U21 v Cardiff U21 | L | 4-1 |
| Wales League Cup | 2023/08/06 13:30 | Haverfordwest County v Cardiff U21 | W | 0-4 |
| Wales League Cup | 2023/07/21 18:30 | Cambrian United v Cardiff U21 | W | 5-6 |
| England Development League 2 | 2023/05/09 12:00 | Cardiff U21 v Crewe U21 | W | 4-2 |