Head to Head
| England - Development League 2 | 2024/02/16 14:00 | Cardiff U21 v Colchester U21 | D | 1-1 |
| England - Development League 2 | 2023/02/03 12:00 | Colchester U21 v Cardiff U21 | W | 3-0 |
| England - Development League 2 | 2022/10/25 13:00 | Cardiff U21 v Colchester U21 | L | 4-1 |
Home History
| England - Development League 2 | 2024/02/22 14:00 | QPR U21 v Colchester U21 | D | 1-1 |
| England - Development League 2 | 2024/02/16 14:00 | Cardiff U21 v Colchester U21 | D | 1-1 |
| England - Development League 2 | 2024/02/12 13:30 | Millwall U21 v Colchester U21 | D | 2-2 |
| England - U21 Premier League Cup | 2024/02/02 19:00 | Luton U21 v Colchester U21 | W | 0-2 |
| England - Development League 2 | 2024/01/26 19:00 | Colchester U21 v Ipswich U21 | L | 2-3 |
| England - U21 Premier League Cup | 2024/01/22 19:00 | Chelsea U21 v Colchester U21 | L | 4-1 |
| England - Development League 2 | 2024/01/12 12:00 | Colchester U21 v Swansea U21 | L | 1-2 |
| England - U21 Premier League Cup | 2023/12/11 19:00 | Colchester U21 v Leeds U21 | L | 1-2 |
Away History
| England - Development League 2 | 2024/02/20 14:00 | Cardiff U21 v Charlton U21 | W | 2-1 |
| England - Development League 2 | 2024/02/16 14:00 | Cardiff U21 v Colchester U21 | D | 1-1 |
| England - Development League 2 | 2024/02/13 13:00 | Bristol City U21 v Cardiff U21 | W | 1-2 |
| England - Development League 2 | 2024/01/30 14:00 | Cardiff U21 v QPR U21 | L | 0-2 |
| England - Development League 2 | 2024/01/12 13:00 | Bournemouth U21 v Cardiff U21 | L | 3-2 |
| England - Development League 2 | 2024/01/08 14:00 | Cardiff U21 v Watford U21 | D | 0-0 |
| England - Development League 2 | 2023/12/18 13:30 | Millwall U21 v Cardiff U21 | L | 5-1 |
| England - Development League 2 | 2023/12/05 14:00 | Cardiff U21 v Swansea U21 | W | 3-0 |