Head to Head
| 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 |
| England U23 Development League | 2017/04/10 12:00 | Colchester U23 v Cardiff U23 | D | 1-1 |
Home History
| England U23 Development League | 2020/11/24 13:00 | Colchester U23 v QPR U23 | D | 0-0 |
| England U23 Development League | 2020/11/11 14:00 | Colchester U23 v Birmingham U23 | L | 1-2 |
| England U23 Development League | 2020/11/02 18:00 | Nottm Forest U23 v Colchester U23 | L | 3-0 |
| England U23 Development League | 2020/10/27 13:00 | Colchester U23 v Sheff Utd U23 | L | 1-4 |
| England U23 Development League | 2020/10/20 13:00 | Barnsley U23 v Colchester U23 | D | 2-2 |
| England U23 Development League | 2020/10/12 12:00 | Colchester U23 v Ipswich U23 | L | 0-2 |
| England U23 Development League | 2020/10/04 14:00 | Swansea U23 v Colchester U23 | D | 3-3 |
| England U23 Development League | 2020/09/21 18:00 | Colchester U23 v Charlton U23 | D | 0-0 |
Away History
| England U23 Development League | 2020/11/25 11:00 | Millwall U23 v Cardiff U23 | L | 2-0 |
| England U23 Development League | 2020/11/01 13:30 | Crewe U23 v Cardiff U23 | L | 1-0 |
| England U23 Development League | 2020/10/27 13:00 | Cardiff U23 v Hull U23 | W | 2-0 |
| England U23 Development League | 2020/10/20 13:00 | Sheff Wed U23 v Cardiff U23 | L | 1-0 |
| England U23 Development League | 2020/10/06 12:00 | Ipswich U23 v Cardiff U23 | L | 2-1 |
| England U23 Development League | 2020/09/22 12:00 | Cardiff U23 v Bristol City U23 | L | 1-2 |
| England U23 Development League | 2020/09/14 12:00 | Swansea U23 v Cardiff U23 | L | 5-1 |
| England U23 Development League | 2020/03/12 14:00 | Charlton U23 v Cardiff U23 | L | 2-1 |