Face à face
| England U23 Development League | 2021/04/20 12:00 | Barnsley v Millwall | L | 1-0 |
| England U23 Development League | 2019/03/22 14:00 | Millwall v Barnsley | D | 0-0 |
| England U23 Development League | 2017/09/01 13:00 | Barnsley v Millwall | L | 3-0 |
| England U23 Development League | 2017/04/03 09:29 | Millwall v Barnsley | W | 5-1 |
Home History
| 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 |
| England U23 Development League | 2021/05/04 16:30 | Hull City v Millwall | W | 0-2 |
| England U23 Development League | 2021/04/27 13:00 | Millwall v Sheff Utd | L | 1-2 |
| England U23 Development League | 2021/04/20 12:00 | Barnsley v Millwall | L | 1-0 |
Away History
| England U23 Development League | 2021/08/31 12:00 | Queens Park v Barnsley | W | 1-2 |
| England U23 Development League | 2021/08/24 12:30 | Barnsley v Charlton Athletic | L | 0-7 |
| England U23 Development League | 2021/08/17 12:00 | Colchester v Barnsley | L | 4-1 |
| England U23 Development League | 2021/05/03 14:00 | Barnsley v Cardiff City | D | 1-1 |
| England U23 Development League | 2021/04/26 13:00 | Watford v Barnsley | W | 2-3 |
| England U23 Development League | 2021/04/20 12:00 | Barnsley v Millwall | W | 1-0 |
| England U23 Development League | 2021/04/13 12:00 | Ipswich Town v Barnsley | W | 0-1 |
| England U23 Development League | 2021/03/26 13:30 | Barnsley v Bristol City | L | 0-1 |