Head to Head
| Angol Development League - U23 | 2021/02/09 13:00 | Cardiff - U23 v Colchester - U23 | W | 4-1 |
| Angol Development League - U23 | 2020/11/28 11:00 | Colchester - U23 v Cardiff - U23 | L | 2-0 |
| Angol Development League - U23 | 2020/01/13 13:00 | Cardiff - U23 v Colchester - U23 | W | 2-1 |
| Angol Development League - U23 | 2019/10/21 12:00 | Colchester - U23 v Cardiff - U23 | W | 0-2 |
| Angol Development League - U23 | 2019/01/21 13:01 | Colchester - U23 v Cardiff - U23 | L | 2-1 |
| Angol Development League - U23 | 2018/04/12 13:00 | Cardiff - U23 v Colchester - U23 | L | 0-1 |
| Angol Development League - U23 | 2018/03/29 12:00 | Colchester - U23 v Cardiff - U23 | W | 0-3 |
| Angol Development League - U23 | 2017/04/10 12:00 | Colchester - U23 v Cardiff - U23 | D | 1-1 |
Home History
| Angol Development League - U23 | 2021/11/23 13:30 | QPR - U23 v Cardiff - U23 | W | 1-3 |
| Angol Development League - U23 | 2021/11/01 19:00 | Swansea - U23 v Cardiff - U23 | W | 1-3 |
| Angol Development League - U23 | 2021/10/26 11:00 | Ipswich - U23 v Cardiff - U23 | W | 1-2 |
| Angol Development League - U23 | 2021/10/19 12:00 | Cardiff - U23 v Charlton - U23 | W | 4-1 |
| Angol Development League - U23 | 2021/09/27 12:00 | Cardiff - U23 v Millwall - U23 | W | 2-0 |
| Angol Development League - U23 | 2021/09/21 12:00 | Cardiff - U23 v Sheff Utd - U23 | W | 2-0 |
| Angol Development League - U23 | 2021/09/10 10:00 | Sheff Wed - U23 v Cardiff - U23 | W | 0-3 |
| Angol Development League - U23 | 2021/08/29 14:00 | Cardiff - U23 v Peterborough - U23 | W | 3-1 |
Away History
| Angol Premier League Cup - U23 | 2021/11/16 19:00 | Colchester - U23 v Fulham - U23 | D | 0-0 |
| Angol Development League - U23 | 2021/11/08 19:00 | Colchester - U23 v Millwall - U23 | W | 2-0 |
| Angol Development League - U23 | 2021/11/01 19:00 | Ipswich - U23 v Colchester - U23 | L | 2-0 |
| Angol Development League - U23 | 2021/10/19 12:00 | QPR - U23 v Colchester - U23 | W | 0-2 |
| Angol Development League - U23 | 2021/10/12 12:00 | Colchester - U23 v Wigan - U23 | L | 0-1 |
| Angol Premier League Cup - U23 | 2021/10/08 18:00 | Colchester - U23 v Southend - U23 | D | 1-1 |
| Angol Development League - U23 | 2021/10/04 13:00 | Charlton - U23 v Colchester - U23 | D | 2-2 |
| Angol Development League - U23 | 2021/09/28 12:00 | Colchester - U23 v Swansea - U23 | W | 3-1 |