Face à face
| England U23 Development League | 2021/10/19 12:30 | Millwall v Swansea City U21 | L | 3-1 |
| England U23 Development League | 2021/03/02 14:00 | Millwall v Swansea City U21 | W | 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 | 2022/01/25 13:00 | Cardiff City v Swansea City U21 | D | 1-1 |
| England U23 Development League | 2022/01/17 19:00 | Swansea City U21 v Bristol City | D | 2-2 |
| Coupe Premier League U23 | 2022/01/14 14:00 | Swansea City U21 v Exeter | D | 2-2 |
| England U23 Development League | 2022/01/11 13:00 | Watford v Swansea City U21 | D | 0-0 |
| England U23 Development League | 2021/12/07 13:30 | Queens Park v Swansea City U21 | W | 0-2 |
| Coupe Premier League U23 | 2021/12/03 12:00 | Swansea City U21 v West Ham United | L | 2-4 |
| Coupe Premier League U23 | 2021/11/25 14:00 | Swansea City U21 v Wolverhampton | L | 0-2 |
| England U23 Development League | 2021/11/22 13:00 | Swansea City U21 v Charlton Athletic | L | 1-3 |
Away History
| England U23 Development League | 2022/01/25 13:00 | Watford v Millwall | L | 2-0 |
| England U23 Development League | 2022/01/10 13:00 | Millwall v Charlton Athletic | L | 2-3 |
| England U23 Development League | 2021/12/10 12:30 | Millwall v Cardiff City | W | 1-0 |
| England U23 Development League | 2021/11/30 13:30 | Millwall v Bristol City | D | 1-1 |
| England U23 Development League | 2021/11/22 13:00 | Ipswich Town v Millwall | D | 4-4 |
| England U23 Development League | 2021/11/08 19:00 | Colchester v Millwall | L | 2-0 |
| England U23 Development League | 2021/11/02 13:30 | Millwall v Watford | W | 2-1 |
| England U23 Development League | 2021/10/22 13:00 | Charlton Athletic v Millwall | L | 2-1 |