Face à face
| England U23 Development League | 2021/05/07 12:00 | Colchester v Swansea City U21 | D | 1-1 |
| 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
| Coupe Premier League U23 | 2021/09/10 18:00 | Stoke City v Colchester | W | 2-4 |
| England U23 Development League | 2021/08/31 18:00 | Colchester v Sheffield | D | 1-1 |
| England U23 Development League | 2021/08/24 12:00 | Coventry City Reserve v Colchester | L | 2-0 |
| England U23 Development League | 2021/08/17 12:00 | Colchester v Barnsley | W | 4-1 |
| England U23 Development League | 2021/05/07 12:00 | Colchester v Swansea City U21 | D | 1-1 |
| 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 |
Away History
| England U23 Development League | 2021/09/24 10:00 | Swansea City U21 v Peterborough U23 | D | 1-1 |
| England U23 Development League | 2021/09/20 13:00 | Swansea City U21 v Crewe Alexandra | W | 4-2 |
| England U23 Development League | 2021/09/13 18:00 | Hull City v Swansea City U21 | L | 1-0 |
| Coupe Premier League U23 | 2021/09/07 18:00 | Exeter v Swansea City U21 | D | 1-1 |
| England U23 Development League | 2021/05/10 10:00 | Sheffield v Swansea City U21 | D | 1-1 |
| England U23 Development League | 2021/05/07 12:00 | Colchester v Swansea City U21 | D | 1-1 |
| 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 |