Head to Head
| Welsh Premiership | 2023/05/06 13:30 | Cardiff v Merthyr | W | 39-7 |
| Welsh Premiership | 2023/01/07 14:30 | Merthyr v Cardiff | W | 16-22 |
| Welsh Premiership | 2022/04/28 18:30 | Cardiff v Merthyr | W | 31-12 |
| Welsh Premiership | 2019/12/14 14:30 | Cardiff v Merthyr | W | 20-3 |
| WRU Challenge Cup | 2019/04/28 16:35 | Merthyr v Cardiff | W | 19-25 |
| Welsh Premiership | 2018/12/14 19:15 | Merthyr v Cardiff | W | 28-34 |
| Welsh Premiership | 2018/09/01 13:30 | Cardiff v Merthyr | L | 18-24 |
| Welsh Premiership | 2018/02/09 19:15 | Cardiff v Merthyr | L | 20-25 |
Home History
| Welsh Premiership | 2023/11/25 14:30 | Cardiff v Aberavon | W | 64-26 |
| Welsh Premiership | 2023/11/18 14:30 | Swansea v Cardiff | W | 12-22 |
| Welsh Premiership | 2023/11/11 14:30 | Cardiff v Newport | L | 15-26 |
| Welsh Premiership | 2023/10/28 13:30 | Cardiff v Pontypool | L | 9-16 |
| Welsh Premiership | 2023/10/21 13:30 | Bridgend Ravens v Cardiff | W | 32-37 |
| Welsh Premiership | 2023/10/14 13:30 | Cardiff v Neath | W | 49-28 |
| Friendlies | 2023/09/29 18:00 | Cardiff v Scarlets | W | 21-12 |
| Welsh Premiership | 2023/09/28 18:30 | Llandovery v Cardiff | L | 31-12 |
Away History
| Welsh Premiership | 2023/11/25 14:30 | RGC 1404 v Merthyr | W | 13-20 |
| Welsh Premiership | 2023/11/18 14:30 | Carmarthen v Merthyr | W | 18-22 |
| Welsh Premiership | 2023/11/11 14:30 | Merthyr v Aberavon | W | 49-35 |
| Welsh Premiership | 2023/11/04 14:30 | Swansea v Merthyr | W | 21-29 |
| Welsh Premiership | 2023/10/28 13:30 | Newport v Merthyr | L | 29-21 |
| Welsh Premiership | 2023/10/14 13:30 | Merthyr v Pontypool | L | 20-22 |
| Welsh Premiership | 2023/09/14 18:30 | Merthyr v Neath | W | 31-0 |
| Welsh Premiership | 2023/09/09 13:30 | Llandovery v Merthyr | L | 38-12 |