Head to Head
| England Development League 2 | 2024/01/08 14:00 | Swansea U21 v Millwall U21 | L | 3-0 |
| England Development League 2 | 2023/04/11 11:00 | Millwall U21 v Swansea U21 | W | 3-1 |
| England Development League 2 | 2022/10/24 13:00 | Swansea U21 v Millwall U21 | L | 2-0 |
Home History
| England Development League 2 | 2024/02/27 14:00 | Millwall U21 v Ipswich U21 | W | 2-1 |
| England Development League 2 | 2024/02/20 13:00 | Bristol City U21 v Millwall U21 | D | 1-1 |
| England Development League 2 | 2024/02/12 13:30 | Millwall U21 v Colchester U21 | D | 2-2 |
| England Development League 2 | 2024/01/30 13:00 | Bournemouth U21 v Millwall U21 | W | 2-3 |
| England Development League 2 | 2024/01/08 14:00 | Swansea U21 v Millwall U21 | L | 3-0 |
| England Development League 2 | 2024/01/04 13:30 | Millwall U21 v Charlton U21 | L | 1-6 |
| England Development League 2 | 2023/12/18 13:30 | Millwall U21 v Cardiff U21 | W | 5-1 |
| England Development League 2 | 2023/12/11 13:00 | Watford U21 v Millwall U21 | W | 1-3 |
Away History
| England U21 Premier League Cup | 2024/02/27 19:00 | Sheff Utd U21 v Swansea U21 | L | 5-1 |
| England Development League 2 | 2024/02/20 13:00 | Ipswich U21 v Swansea U21 | L | 7-3 |
| England Development League 2 | 2024/02/12 19:00 | Swansea U21 v Bournemouth U21 | W | 3-2 |
| England U21 Premier League Cup | 2024/02/02 19:00 | Aston Villa U21 v Swansea U21 | D | 1-1 |
| England Development League 2 | 2024/01/30 13:00 | Charlton U21 v Swansea U21 | L | 1-0 |
| England U21 Premier League Cup | 2024/01/23 19:30 | Brighton U21 v Swansea U21 | L | 1-0 |
| Wales League Cup | 2024/01/20 17:30 | T.N.S. v Swansea U21 | L | 5-1 |
| England Development League 2 | 2024/01/12 12:00 | Colchester U21 v Swansea U21 | W | 1-2 |