Face à face
| England U23 Development League | 2020/11/24 13:00 | Swansea City U21 v Charlton Athletic | W | 0-3 |
| Coupe Premier League U23 | 2020/01/18 13:01 | Swansea City U21 v Charlton Athletic | W | 2-4 |
| Coupe Premier League U23 | 2019/10/04 11:58 | Charlton Athletic v Swansea City U21 | L | 1-2 |
Home History
| England U23 Development League | 2021/02/09 14:00 | Bristol City v Charlton Athletic | L | 4-3 |
| England U23 Development League | 2021/02/01 13:00 | Charlton Athletic v Millwall | D | 1-1 |
| England U23 Development League | 2021/01/19 14:00 | Queens Park v Charlton Athletic | W | 1-2 |
| England U23 Development League | 2021/01/11 13:00 | Charlton Athletic v Cardiff City | W | 4-0 |
| England U23 Development League | 2020/11/30 14:00 | Charlton Athletic v Bristol City | W | 3-1 |
| England U23 Development League | 2020/11/24 13:00 | Swansea City U21 v Charlton Athletic | W | 0-3 |
| England U23 Development League | 2020/11/09 14:00 | Charlton Athletic v Barnsley | L | 0-5 |
| England U23 Development League | 2020/11/02 19:00 | Hull City v Charlton Athletic | L | 1-0 |
Away History
| England U23 Development League | 2021/02/09 13:00 | Swansea City U21 v Queens Park | D | 1-1 |
| England U23 Development League | 2021/01/26 19:00 | Swansea City U21 v Bristol City | L | 1-3 |
| England U23 Development League | 2021/01/19 13:00 | Cardiff City v Swansea City U21 | L | 2-1 |
| England U23 Development League | 2021/01/12 13:00 | Swansea City U21 v Millwall | D | 0-0 |
| England U23 Development League | 2020/12/21 13:00 | Swansea City U21 v Watford | L | 2-3 |
| England U23 Development League | 2020/12/15 13:00 | Ipswich Town v Swansea City U21 | L | 5-1 |
| England U23 Development League | 2020/12/01 13:00 | Queens Park v Swansea City U21 | L | 3-1 |
| England U23 Development League | 2020/11/24 13:00 | Swansea City U21 v Charlton Athletic | L | 0-3 |