Head to Head
| Welsh Premiership | 2023/05/14 16:15 | Cardiff v Newport | W | 21-7 |
| WRU Premiership Cup | 2023/04/23 16:35 | Cardiff v Newport | W | 13-10 |
| Welsh Premiership | 2023/01/14 14:30 | Cardiff v Newport | L | 17-18 |
| Welsh Premiership | 2022/09/22 18:15 | Newport v Cardiff | W | 32-34 |
| Welsh Premiership | 2022/03/12 14:30 | Newport v Cardiff | L | 38-6 |
| Welsh Premiership | 2019/12/07 14:30 | Newport v Cardiff | W | 7-24 |
| Welsh Premiership | 2019/01/12 14:30 | Newport v Cardiff | W | 32-38 |
| Welsh Premiership | 2018/09/15 13:30 | Cardiff v Newport | W | 29-27 |
| Welsh Premiership | 2017/12/30 14:30 | Newport v Cardiff | L | 29-17 |
| Welsh Premiership | 2017/10/27 18:15 | Cardiff v Newport | W | 37-22 |
| Welsh Premiership | 2017/08/27 13:30 | Newport v Cardiff | W | 19-31 |
| Welsh Premiership | 2017/02/25 12:00 | Newport v Cardiff | L | 17-8 |
| Welsh Premiership | 2016/09/02 18:30 | Cardiff v Newport | W | 25-22 |
| Welsh Premiership | 2016/03/12 12:30 | Newport v Cardiff | L | 42-24 |
| Welsh Premiership | 2015/10/31 13:30 | Cardiff v Newport | W | 36-28 |
| Welsh Premiership | 2015/03/07 14:30 | Newport v Cardiff | W | 16-23 |
| Welsh Premiership | 2014/10/11 13:30 | Cardiff v Newport | W | 17-14 |