Head to Head
| Elite Club Friendlies | 2018/07/25 18:45 | Rotherham v Cardiff | W | 2-1 |
| England Championship | 2017/02/18 15:00 | Cardiff v Rotherham | L | 5-0 |
| England Championship | 2016/09/24 14:00 | Rotherham v Cardiff | L | 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 | W | 2-1 |
| England Championship | 2015/03/03 19:45 | Rotherham v Cardiff | L | 1-3 |
| England Championship | 2014/12/06 15:00 | Cardiff v Rotherham | D | 0-0 |
Home History
| England Championship | 2021/02/06 15:00 | Preston v Rotherham | W | 1-2 |
| England Championship | 2021/02/03 19:00 | Rotherham v Derby | W | 3-0 |
| England Championship | 2021/01/30 15:00 | Rotherham v Swansea | L | 1-3 |
| England Championship | 2021/01/27 19:00 | Middlesbrough v Rotherham | W | 0-3 |
| England Championship | 2021/01/19 19:45 | Rotherham v Stoke | D | 3-3 |
| England Championship | 2021/01/16 15:00 | Derby v Rotherham | W | 0-1 |
| England FA Cup | 2021/01/09 12:00 | Everton v Rotherham | L | 2-1 |
| England Championship | 2020/12/29 19:45 | Rotherham v Barnsley | L | 1-2 |
Away History
| England Championship | 2021/02/06 15:00 | Bristol City v Cardiff | W | 0-2 |
| England Championship | 2021/01/30 15:00 | Cardiff v Millwall | D | 1-1 |
| 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 |