Head to Head
| England U23 Development League | 2021/11/30 13:00 | Cardiff U23 v Colchester U23 | L | 2-0 |
| England U23 Development League | 2021/02/09 13:00 | Cardiff U23 v Colchester U23 | L | 4-1 |
| England U23 Development League | 2020/11/28 11:00 | Colchester U23 v Cardiff U23 | W | 2-0 |
| England U23 Development League | 2020/01/13 13:00 | Cardiff U23 v Colchester U23 | L | 2-1 |
| England U23 Development League | 2019/10/21 12:00 | Colchester U23 v Cardiff U23 | L | 0-2 |
| England U23 Development League | 2019/01/21 13:01 | Colchester U23 v Cardiff U23 | W | 2-1 |
| England U23 Development League | 2018/04/12 13:00 | Cardiff U23 v Colchester U23 | W | 0-1 |
| England U23 Development League | 2018/03/29 12:00 | Colchester U23 v Cardiff U23 | L | 0-3 |
Home History
| England U23 Development League | 2022/03/15 13:00 | Bristol City U23 v Colchester U23 | L | 3-1 |
| England U23 Development League | 2022/03/11 14:00 | Hull U23 v Colchester U23 | D | 0-0 |
| England U23 Development League | 2022/03/01 13:00 | Colchester U23 v Charlton U23 | W | 3-1 |
| England U23 Premier League Cup | 2022/02/14 19:00 | Fulham U23 v Colchester U23 | L | 3-1 |
| England U23 Development League | 2022/02/08 13:00 | Watford U23 v Colchester U23 | W | 1-2 |
| England U23 Development League | 2022/02/04 19:00 | Colchester U23 v Ipswich U23 | L | 2-3 |
| England U23 Premier League Cup | 2022/01/25 19:00 | Southend U23 v Colchester U23 | L | 1-0 |
| England U23 Premier League Cup | 2022/01/21 19:00 | Colchester U23 v Stoke U23 | L | 2-3 |
Away History
| England U23 Development League | 2022/03/11 13:00 | Watford U23 v Cardiff U23 | W | 0-2 |
| England U23 Development League | 2022/03/01 13:00 | Cardiff U23 v Bristol City U23 | L | 1-3 |
| England U23 Development League | 2022/02/08 13:00 | Cardiff U23 v QPR U23 | L | 0-2 |
| England U23 Development League | 2022/02/01 13:00 | Bristol City U23 v Cardiff U23 | D | 3-3 |
| England U23 Development League | 2022/01/25 13:00 | Cardiff U23 v Swansea U23 | D | 1-1 |
| England U23 Development League | 2022/01/11 11:00 | Cardiff U23 v Ipswich U23 | L | 0-2 |
| England U23 Development League | 2021/12/10 12:30 | Millwall U23 v Cardiff U23 | L | 1-0 |
| England U23 Development League | 2021/12/06 13:00 | Cardiff U23 v Watford U23 | W | 4-0 |