Face à face
| England U23 Development League | 2021/11/30 13:00 | Cardiff City v Colchester | L | 2-0 |
| England U23 Development League | 2021/02/09 13:00 | Cardiff City v Colchester | L | 4-1 |
| England U23 Development League | 2020/11/28 11:00 | Colchester v Cardiff City | W | 2-0 |
| England U23 Development League | 2020/01/13 13:00 | Cardiff City v Colchester | L | 2-1 |
| England U23 Development League | 2019/10/21 12:00 | Colchester v Cardiff City | L | 0-2 |
| England U23 Development League | 2019/01/21 13:01 | Colchester v Cardiff City | W | 2-1 |
| England U23 Development League | 2018/04/12 13:00 | Cardiff City v Colchester | W | 0-1 |
| England U23 Development League | 2018/03/29 12:00 | Colchester v Cardiff City | L | 0-3 |
Home History
| Coupe Premier League U23 | 2022/02/14 19:00 | Fulham U21 v Colchester | L | 3-1 |
| England U23 Development League | 2022/02/08 13:00 | Watford v Colchester | W | 1-2 |
| England U23 Development League | 2022/02/04 19:00 | Colchester v Ipswich Town | L | 2-3 |
| Coupe Premier League U23 | 2022/01/25 19:00 | Southend U23 v Colchester | L | 1-0 |
| Coupe Premier League U23 | 2022/01/21 19:00 | Colchester v Stoke City | L | 2-3 |
| England U23 Development League | 2021/11/30 13:00 | Cardiff City v Colchester | L | 2-0 |
| Coupe Premier League U23 | 2021/11/16 19:00 | Colchester v Fulham U21 | D | 0-0 |
| England U23 Development League | 2021/11/08 19:00 | Colchester v Millwall | W | 2-0 |
Away History
| England U23 Development League | 2022/02/08 13:00 | Cardiff City v Queens Park | L | 0-2 |
| England U23 Development League | 2022/02/01 13:00 | Bristol City v Cardiff City | D | 3-3 |
| England U23 Development League | 2022/01/25 13:00 | Cardiff City v Swansea City U21 | D | 1-1 |
| England U23 Development League | 2022/01/11 11:00 | Cardiff City v Ipswich Town | L | 0-2 |
| England U23 Development League | 2021/12/10 12:30 | Millwall v Cardiff City | L | 1-0 |
| England U23 Development League | 2021/12/06 13:00 | Cardiff City v Watford | W | 4-0 |
| England U23 Development League | 2021/11/30 13:00 | Cardiff City v Colchester | W | 2-0 |
| England U23 Development League | 2021/11/23 13:30 | Queens Park v Cardiff City | W | 1-3 |