Face à face
| England U23 Development League | 2020/10/04 14:00 | Swansea City U21 v Colchester | D | 3-3 |
| Coupe Premier League U23 | 2019/11/30 14:03 | Swansea City U21 v Colchester | W | 0-1 |
| Coupe Premier League U23 | 2018/01/25 18:59 | Colchester v Swansea City U21 | L | 3-4 |
| Coupe Premier League U23 | 2017/12/07 19:01 | Swansea City U21 v Colchester | L | 5-1 |
Home History
| England U23 Development League | 2021/05/03 12:00 | Coventry City Reserve v Colchester | L | 2-1 |
| England U23 Development League | 2021/04/26 12:00 | Colchester v Hull City | L | 1-2 |
| England U23 Development League | 2021/04/20 12:00 | Sheffield v Colchester | L | 2-0 |
| England U23 Development League | 2021/04/07 12:00 | Colchester v Wigan | L | 1-2 |
| England U23 Development League | 2021/03/26 13:00 | Colchester v Millwall | L | 2-3 |
| England U23 Development League | 2021/03/22 13:00 | Crewe Alexandra v Colchester | L | 2-0 |
| England U23 Development League | 2021/03/02 12:00 | Colchester v Bristol City | L | 1-2 |
| England U23 Development League | 2021/02/22 13:00 | Charlton Athletic v Colchester | L | 3-1 |
Away History
| England U23 Development League | 2021/05/04 12:00 | Sheff Utd v Swansea City U21 | W | 0-1 |
| England U23 Development League | 2021/04/27 12:00 | Swansea City U21 v Wigan | W | 2-0 |
| England U23 Development League | 2021/04/19 12:00 | Coventry City Reserve v Swansea City U21 | D | 0-0 |
| England U23 Development League | 2021/04/13 12:00 | Swansea City U21 v Crewe Alexandra | D | 1-1 |
| England U23 Development League | 2021/03/12 15:00 | Watford v Swansea City U21 | L | 2-0 |
| England U23 Development League | 2021/03/08 12:00 | Swansea City U21 v Ipswich Town | D | 1-1 |
| England U23 Development League | 2021/03/02 14:00 | Millwall v Swansea City U21 | W | 0-2 |
| England U23 Development League | 2021/02/15 15:00 | Charlton Athletic v Swansea City U21 | W | 3-4 |