Head to Head
| WRU Challenge Cup | 2020/01/25 14:30 | Llanelli v Cardiff | L | 20-35 |
| Welsh Premiership | 2020/01/04 17:15 | Cardiff v Llanelli | L | 35-14 |
| Welsh Premiership | 2019/09/21 13:30 | Llanelli v Cardiff | L | 10-33 |
| Welsh Premiership | 2019/03/03 14:30 | Llanelli v Cardiff | L | 19-23 |
| Welsh Premiership | 2018/10/20 13:30 | Cardiff v Llanelli | L | 52-41 |
| Welsh Premiership | 2018/04/18 18:15 | Cardiff v Llanelli | L | 45-20 |
| Welsh Premiership | 2017/03/18 12:00 | Cardiff v Llanelli | W | 17-20 |
| Welsh Premiership | 2016/12/03 14:30 | Llanelli v Cardiff | L | 14-28 |
Home History
| Welsh Premiership | 2022/02/04 19:30 | Ebbw Vale v Llanelli | L | 22-12 |
| Welsh Premiership | 2022/01/29 14:30 | Llanelli v Bridgend Ravens | W | 26-14 |
| Welsh Premiership | 2022/01/03 17:45 | Llanelli v RGC 1404 | L | 8-41 |
| Welsh Premiership | 2021/12/16 19:30 | Carmarthen v Llanelli | L | 30-13 |
| Welsh Premiership | 2020/02/29 14:30 | Llanelli v Aberavon | L | 18-48 |
| Welsh Premiership | 2020/01/31 19:30 | Llanelli v Llandovery | W | 24-21 |
| WRU Challenge Cup | 2020/01/25 14:30 | Llanelli v Cardiff | L | 20-35 |
| Welsh Premiership | 2020/01/18 14:30 | RGC 1404 v Llanelli | L | 43-21 |
Away History
| Welsh Premiership | 2022/02/19 14:30 | Bridgend Ravens v Cardiff | W | 12-29 |
| Welsh Premiership | 2022/01/27 19:30 | Cardiff v Ebbw Vale | W | 58-8 |
| Welsh Premiership | 2022/01/15 14:30 | RGC 1404 v Cardiff | W | 29-52 |
| Friendlies | 2021/09/10 18:15 | Cardiff v Bath | W | 25-14 |
| Welsh Premiership | 2020/03/07 14:00 | Aberavon v Cardiff | L | 20-18 |
| Welsh Premiership | 2020/02/29 14:30 | Cardiff v Bridgend Ravens | W | 41-12 |
| WRU Challenge Cup | 2020/01/25 14:30 | Llanelli v Cardiff | W | 20-35 |
| Welsh Premiership | 2020/01/17 19:05 | Carmarthen v Cardiff | L | 29-7 |