Head to Head
| England Development League 2 | 2023/02/03 12:00 | Colchester U21 v Cardiff U21 | L | 3-0 |
| England Development League 2 | 2022/10/25 13:00 | Cardiff U21 v Colchester U21 | W | 4-1 |
Home History
| 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 |
| England Development League 2 | 2023/11/27 14:00 | Charlton U21 v Cardiff U21 | D | 5-5 |
| England Development League 2 | 2023/11/07 14:00 | Cardiff U21 v Bristol City U21 | W | 3-0 |
| England Development League 2 | 2023/10/30 13:00 | QPR U21 v Cardiff U21 | L | 3-2 |
Away History
| 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 |
| England Development League 2 | 2023/12/05 13:00 | Bristol City U21 v Colchester U21 | L | 4-2 |
| England Development League 2 | 2023/12/01 14:00 | Swansea U21 v Colchester U21 | L | 4-1 |
| England Development League 2 | 2023/11/27 14:00 | Colchester U21 v QPR U21 | L | 3-6 |