Head to Head
| England Championship | 2023/12/09 15:00 | Cardiff v Millwall | L | 1-0 |
| England Championship | 2023/01/21 15:00 | Cardiff v Millwall | W | 0-1 |
| England Championship | 2022/09/03 14:00 | Millwall v Cardiff | W | 2-0 |
| England Championship | 2022/02/12 15:00 | Millwall v Cardiff | W | 2-1 |
| England Championship | 2021/08/21 14:00 | Cardiff v Millwall | L | 3-1 |
| England Championship | 2021/01/30 15:00 | Cardiff v Millwall | D | 1-1 |
| England Championship | 2020/11/21 15:00 | Millwall v Cardiff | D | 1-1 |
| England Championship | 2019/12/26 15:00 | Cardiff v Millwall | D | 1-1 |
Home History
| England Championship | 2024/04/09 18:45 | Millwall v Leicester | W | 1-0 |
| England Championship | 2024/04/06 14:00 | Huddersfield v Millwall | L | 1-0 |
| England Championship | 2024/04/01 14:00 | Rotherham v Millwall | L | 2-1 |
| England Championship | 2024/03/29 13:00 | Millwall v West Brom | D | 1-1 |
| England Championship | 2024/03/17 15:00 | Leeds v Millwall | L | 2-0 |
| England Championship | 2024/03/09 15:00 | Millwall v Birmingham | W | 1-0 |
| England Championship | 2024/03/05 19:45 | Blackburn v Millwall | D | 1-1 |
| England Championship | 2024/03/02 15:00 | Millwall v Watford | W | 1-0 |
Away History
| England Championship | 2024/04/10 18:45 | Birmingham v Cardiff | W | 0-1 |
| England Championship | 2024/04/06 14:00 | Cardiff v Hull | L | 1-3 |
| England Championship | 2024/04/01 14:00 | Coventry v Cardiff | W | 1-2 |
| England Championship | 2024/03/29 15:00 | Cardiff v Sunderland | L | 0-2 |
| England Championship | 2024/03/16 12:30 | Swansea v Cardiff | L | 2-0 |
| England Championship | 2024/03/09 12:30 | Cardiff v Ipswich | W | 2-1 |
| England Championship | 2024/03/06 19:45 | Cardiff v Huddersfield | W | 1-0 |
| England Championship | 2024/03/02 12:30 | Bristol City v Cardiff | W | 0-1 |