Head to Head
| England U23 Development League | 2018/01/08 11:58 | Cardiff U23 v Millwall U23 | D | 1-1 |
| England U23 Development League | 2017/10/16 13:25 | Millwall U23 v Cardiff U23 | D | 1-1 |
| England U23 Development League | 2017/01/30 14:00 | Cardiff U23 v Millwall U23 | D | 1-1 |
Home History
| England U23 Development League | 2018/09/14 11:58 | Coventry U23 v Cardiff U23 | L | 3-0 |
| England U23 Development League | 2018/09/10 18:00 | Nottm Forest U23 v Cardiff U23 | L | 2-0 |
| England U23 Development League | 2018/09/03 13:02 | Cardiff U23 v Leeds U23 | L | 1-2 |
| England U23 Development League | 2018/08/27 13:02 | Sheff Wed U23 v Cardiff U23 | D | 1-1 |
| England U23 Development League | 2018/08/20 12:01 | Cardiff U23 v Barnsley U23 | W | 2-0 |
| England U23 Development League | 2018/08/13 18:01 | Burnley U23 v Cardiff U23 | L | 4-1 |
| Club Friendly List | 2018/07/15 11:00 | Truro City v Cardiff U23 | W | 0-2 |
| England U23 Development League | 2018/04/23 18:00 | Cardiff U23 v Nottm Forest U23 | L | 0-5 |
Away History
| England U23 Development League | 2018/09/17 13:01 | Millwall U23 v Bristol City U23 | D | 0-0 |
| England U23 Development League | 2018/09/10 12:02 | Burnley U23 v Millwall U23 | W | 1-2 |
| England U23 Development League | 2018/09/02 12:02 | Millwall U23 v Bolton U23 | W | 3-0 |
| England U23 Development League | 2018/08/27 18:01 | Hull U23 v Millwall U23 | W | 1-2 |
| England U23 Development League | 2018/08/20 13:03 | Millwall U23 v Leeds U23 | L | 0-1 |
| England U23 Development League | 2018/04/23 12:58 | Millwall U23 v Burnley U23 | W | 2-1 |
| England U23 Development League | 2018/04/14 16:14 | Hull U23 v Millwall U23 | L | 1-0 |
| England U23 Development League | 2018/04/09 13:00 | Millwall U23 v Leeds U23 | W | 2-0 |