Face à face
| United Rugby Championship | 2021/01/09 19:35 | Cardiff v Scarlets | L | 29-20 |
| United Rugby Championship | 2020/08/22 14:00 | Scarlets v Cardiff | W | 32-12 |
| United Rugby Championship | 2020/01/03 19:35 | Cardiff v Scarlets | W | 14-16 |
| United Rugby Championship | 2019/03/22 19:35 | Cardiff v Scarlets | L | 41-17 |
| United Rugby Championship | 2018/12/29 17:15 | Scarlets v Cardiff | L | 5-34 |
| United Rugby Championship | 2017/12/31 15:15 | Cardiff v Scarlets | W | 11-14 |
| United Rugby Championship | 2017/10/28 18:35 | Scarlets v Cardiff | W | 30-17 |
| United Rugby Championship | 2017/01/01 15:00 | Scarlets v Cardiff | W | 15-10 |
Home History
| United Rugby Championship | 2021/01/09 19:35 | Cardiff v Scarlets | L | 29-20 |
| United Rugby Championship | 2021/01/01 17:15 | Scarlets v Dragons | W | 20-3 |
| United Rugby Championship | 2020/12/26 17:15 | Ospreys v Scarlets | W | 14-16 |
| Coupe d'Europe de rugby | 2020/12/12 15:15 | Bath v Scarlets | W | 19-23 |
| United Rugby Championship | 2020/11/22 19:35 | Ulster v Scarlets | L | 26-24 |
| United Rugby Championship | 2020/11/14 19:35 | Connacht v Scarlets | W | 14-20 |
| United Rugby Championship | 2020/11/08 17:15 | Scarlets v Zebre | W | 18-17 |
| United Rugby Championship | 2020/11/01 18:45 | Scarlets v Édimbourg | L | 3-6 |
Away History
| United Rugby Championship | 2021/01/09 19:35 | Cardiff v Scarlets | W | 29-20 |
| United Rugby Championship | 2021/01/01 19:35 | Cardiff v Ospreys | L | 3-17 |
| United Rugby Championship | 2020/12/26 15:00 | Dragons v Cardiff | W | 12-13 |
| Challenge Européen de rugby | 2020/12/11 20:00 | Newcastle Falcons v Cardiff | W | 20-33 |
| United Rugby Championship | 2020/11/29 19:35 | Cardiff v Glasgow | L | 10-19 |
| United Rugby Championship | 2020/11/22 17:15 | Leinster v Cardiff | L | 40-5 |
| United Rugby Championship | 2020/11/16 19:45 | Cardiff v Benetton Treviso | W | 22-5 |
| United Rugby Championship | 2020/11/09 19:45 | Édimbourg v Cardiff | L | 18-0 |