Head to Head
| Wales SRC Trophy | 2023/04/01 13:30 | Llanelli v Merthyr | W | 7-50 |
| Wales SRC Trophy | 2022/03/12 14:30 | Merthyr v Llanelli | W | 46-22 |
| Wales SRC Trophy | 2019/12/07 14:30 | Merthyr v Llanelli | L | 20-22 |
| Wales SRC Trophy | 2019/01/12 14:30 | Merthyr v Llanelli | W | 26-20 |
| Wales SRC Trophy | 2018/09/16 13:30 | Llanelli v Merthyr | W | 7-26 |
| Wales SRC Trophy | 2018/03/17 12:30 | Merthyr v Llanelli | W | 44-43 |
| Wales SRC Trophy | 2016/10/29 13:30 | Llanelli v Merthyr | W | 14-35 |
| WRU Challenge Cup | 2016/02/27 14:30 | Llanelli v Merthyr | W | 14-17 |