Face à face
| England U23 Development League | 2021/03/01 14:00 | Cardiff City v Charlton Athletic | L | 4-5 |
| England U23 Development League | 2021/01/11 13:00 | Charlton Athletic v Cardiff City | L | 4-0 |
| England U23 Development League | 2020/03/12 14:00 | Charlton Athletic v Cardiff City | L | 2-1 |
| England U23 Development League | 2019/11/25 13:00 | Cardiff City v Charlton Athletic | D | 0-0 |
| England U23 Development League | 2018/12/10 13:01 | Charlton Athletic v Cardiff City | L | 1-0 |
| England U23 Development League | 2017/12/18 13:03 | Charlton Athletic v Cardiff City | D | 3-3 |
| England U23 Development League | 2017/09/25 13:02 | Cardiff City v Charlton Athletic | W | 4-3 |
Home History
| England U23 Development League | 2021/09/27 12:00 | Cardiff City v Millwall | W | 2-0 |
| England U23 Development League | 2021/09/21 12:00 | Cardiff City v Sheff Utd | W | 2-0 |
| England U23 Development League | 2021/09/10 10:00 | Sheffield v Cardiff City | W | 0-3 |
| England U23 Development League | 2021/08/29 14:00 | Cardiff City v Peterborough U23 | W | 3-1 |
| England U23 Development League | 2021/08/16 12:00 | Cardiff City v Wigan | W | 1-0 |
| England U23 Development League | 2021/05/03 14:00 | Barnsley v Cardiff City | D | 1-1 |
| England U23 Development League | 2021/04/27 12:00 | Cardiff City v Coventry City Reserve | L | 1-6 |
| England U23 Development League | 2021/04/23 18:00 | Nottingham Forest v Cardiff City | W | 1-2 |
Away History
| Coupe Premier League U23 | 2021/10/11 18:00 | Derby County R. v Charlton Athletic | L | 2-1 |
| England U23 Development League | 2021/10/04 13:00 | Charlton Athletic v Colchester | D | 2-2 |
| England U23 Development League | 2021/09/17 12:00 | Charlton Athletic v Sheffield | W | 2-0 |
| England U23 Development League | 2021/09/13 18:00 | Wigan v Charlton Athletic | L | 2-1 |
| Coupe Premier League U23 | 2021/09/08 13:00 | Charlton Athletic v Reading U21 | W | 3-0 |
| England U23 Development League | 2021/08/31 13:00 | Charlton Athletic v Sheff Utd | L | 0-3 |
| England U23 Development League | 2021/08/24 12:30 | Barnsley v Charlton Athletic | W | 0-7 |
| England U23 Development League | 2021/05/03 18:00 | Birmingham v Charlton Athletic | L | 5-2 |