Head to Head
| 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 |
| England - Championship | 2019/10/22 18:45 | Millwall v Cardiff | D | 2-2 |
| England - Championship | 2018/02/09 19:45 | Millwall v Cardiff | D | 1-1 |
| England - Championship | 2017/10/28 14:00 | Cardiff v Millwall | D | 0-0 |
| England - Championship | 2015/04/18 14:00 | Cardiff v Millwall | D | 0-0 |
| England - Championship | 2014/10/25 11:15 | Millwall v Cardiff | L | 1-0 |
Home History
| England - Championship | 2021/01/27 19:00 | Barnsley v Cardiff | D | 2-2 |
| England - Championship | 2021/01/20 19:00 | Cardiff v QPR | L | 0-1 |
| England - Championship | 2021/01/16 15:00 | Cardiff v Norwich | L | 1-2 |
| England - FA Cup | 2021/01/09 12:00 | Nottm Forest v Cardiff | L | 1-0 |
| England - Championship | 2020/12/29 19:45 | Wycombe v Cardiff | L | 2-1 |
| England - Championship | 2020/12/26 15:00 | Cardiff v Brentford | L | 2-3 |
| England - Championship | 2020/12/19 12:30 | Norwich v Cardiff | L | 2-0 |
| England - Championship | 2020/12/16 19:00 | Cardiff v Birmingham | W | 3-2 |
Away History
| England - Championship | 2021/01/26 19:00 | Millwall v Watford | D | 0-0 |
| England - FA Cup | 2021/01/23 15:00 | Millwall v Bristol City | L | 0-3 |
| England - Championship | 2021/01/20 19:00 | Huddersfield v Millwall | W | 0-1 |
| England - Championship | 2021/01/16 15:00 | Nottm Forest v Millwall | L | 3-1 |
| England - Championship | 2021/01/12 19:45 | Bournemouth v Millwall | D | 1-1 |
| England - FA Cup | 2021/01/09 12:00 | Boreham Wood v Millwall | W | 0-2 |
| England - Championship | 2021/01/02 15:00 | Millwall v Coventry | L | 1-2 |
| England - Championship | 2020/12/19 15:00 | Millwall v Nottm Forest | D | 1-1 |