Head to Head
| England - Development League - U23 | 2021/04/20 12:00 | Barnsley U23 v Millwall U23 | L | 1-0 |
| England - Development League - U23 | 2019/03/22 14:00 | Millwall U23 v Barnsley U23 | D | 0-0 |
| England - Development League - U23 | 2017/09/01 13:00 | Barnsley U23 v Millwall U23 | L | 3-0 |
| England - Development League - U23 | 2017/04/03 09:29 | Millwall U23 v Barnsley U23 | W | 5-1 |
Home History
| England - Development League - U23 | 2021/09/13 12:00 | Coventry U23 v Millwall U23 | L | 4-1 |
| England - Development League - U23 | 2021/08/23 18:00 | Hull U23 v Millwall U23 | L | 3-1 |
| England - Development League - U23 | 2021/08/17 12:00 | Millwall U23 v Crewe U23 | W | 1-0 |
| Storbritannien - Venskabskampe | 2021/07/27 18:15 | Eastbourne Borough v Millwall U23 | L | 2-1 |
| Storbritannien - Venskabskampe | 2021/07/15 18:30 | Dulwich v Millwall U23 | W | 0-2 |
| England - Development League - U23 | 2021/05/04 16:30 | Hull U23 v Millwall U23 | W | 0-2 |
| England - Development League - U23 | 2021/04/27 13:00 | Millwall U23 v Sheff Utd U23 | L | 1-2 |
| England - Development League - U23 | 2021/04/20 12:00 | Barnsley U23 v Millwall U23 | L | 1-0 |
Away History
| England - Development League - U23 | 2021/08/31 12:00 | QPR U23 v Barnsley U23 | W | 1-2 |
| England - Development League - U23 | 2021/08/24 12:30 | Barnsley U23 v Charlton U23 | L | 0-7 |
| England - Development League - U23 | 2021/08/17 12:00 | Colchester U23 v Barnsley U23 | L | 4-1 |
| England - Development League - U23 | 2021/05/03 14:00 | Barnsley U23 v Cardiff U23 | D | 1-1 |
| England - Development League - U23 | 2021/04/26 13:00 | Watford U23 v Barnsley U23 | W | 2-3 |
| England - Development League - U23 | 2021/04/20 12:00 | Barnsley U23 v Millwall U23 | W | 1-0 |
| England - Development League - U23 | 2021/04/13 12:00 | Ipswich U23 v Barnsley U23 | W | 0-1 |
| England - Development League - U23 | 2021/03/26 13:30 | Barnsley U23 v Bristol City U23 | L | 0-1 |