Face à face
| England U23 Development League | 2021/03/02 14:00 | Millwall v Swansea City U21 | L | 0-2 |
| England U23 Development League | 2021/01/12 13:00 | Swansea City U21 v Millwall | D | 0-0 |
Home History
| England U23 Development League | 2021/10/01 12:00 | Millwall v Queens Park | W | 3-1 |
| England U23 Development League | 2021/09/27 12:00 | Cardiff City v Millwall | L | 2-0 |
| England U23 Development League | 2021/09/21 13:00 | Millwall v Barnsley | W | 4-0 |
| England U23 Development League | 2021/09/13 12:00 | Coventry City Reserve v Millwall | L | 4-1 |
| England U23 Development League | 2021/08/23 18:00 | Hull City v Millwall | L | 3-1 |
| England U23 Development League | 2021/08/17 12:00 | Millwall v Crewe Alexandra | W | 1-0 |
| Matchs amicaux | 2021/07/27 18:15 | Eastbourne Borough v Millwall | L | 2-1 |
| Matchs amicaux | 2021/07/15 18:30 | Dulwich v Millwall | W | 0-2 |
Away History
| England U23 Development League | 2021/10/04 11:00 | Swansea City U21 v Ipswich Town | L | 0-3 |
| England U23 Development League | 2021/09/28 12:00 | Colchester v Swansea City U21 | L | 3-1 |
| 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 |