Head to Head
| England Championship | 2021/02/09 19:00 | Rotherham v Cardiff | W | 1-2 |
| Elite Club Friendlies | 2018/07/25 18:45 | Rotherham v Cardiff | L | 2-1 |
| England Championship | 2017/02/18 15:00 | Cardiff v Rotherham | W | 5-0 |
| England Championship | 2016/09/24 14:00 | Rotherham v Cardiff | W | 1-2 |
| England Championship | 2016/01/23 15:00 | Cardiff v Rotherham | D | 2-2 |
| England Championship | 2015/09/19 14:00 | Rotherham v Cardiff | L | 2-1 |
| England Championship | 2015/03/03 19:45 | Rotherham v Cardiff | W | 1-3 |
| England Championship | 2014/12/06 15:00 | Cardiff v Rotherham | D | 0-0 |
Home History
| England Championship | 2021/05/01 14:00 | Birmingham v Cardiff | W | 0-4 |
| England Championship | 2021/04/24 14:00 | Cardiff v Wycombe | W | 2-1 |
| England Championship | 2021/04/20 17:00 | Brentford v Cardiff | D | 1-1 |
| England Championship | 2021/04/16 17:00 | Reading v Cardiff | D | 1-1 |
| England Championship | 2021/04/10 14:00 | Cardiff v Blackburn | D | 2-2 |
| England Championship | 2021/04/05 16:30 | Sheff Wed v Cardiff | L | 5-0 |
| England Championship | 2021/04/02 14:00 | Cardiff v Nottm Forest | L | 0-1 |
| England Championship | 2021/03/20 17:30 | Swansea v Cardiff | W | 0-1 |
Away History
| England Championship | 2021/05/04 18:15 | Luton v Rotherham | D | 0-0 |
| England Championship | 2021/05/01 14:00 | Rotherham v Blackburn | D | 1-1 |
| England Championship | 2021/04/27 18:00 | Brentford v Rotherham | L | 1-0 |
| England Championship | 2021/04/24 14:00 | Barnsley v Rotherham | L | 1-0 |
| England Championship | 2021/04/21 17:00 | Rotherham v Middlesbrough | L | 1-2 |
| England Championship | 2021/04/18 11:00 | Rotherham v Birmingham | L | 0-1 |
| England Championship | 2021/04/15 18:00 | Rotherham v Coventry | L | 0-1 |
| England Championship | 2021/04/13 18:00 | Rotherham v QPR | W | 3-1 |