Home History
| United Rugby Championship | 2018/04/07 17:35 | Kings v Munster | L | 22-39 |
| United Rugby Championship | 2018/03/24 13:00 | Kings v Benetton Treviso | L | 35-36 |
| United Rugby Championship | 2018/03/02 17:35 | Kings v Dragons | W | 45-13 |
| United Rugby Championship | 2018/02/23 19:35 | Leinster v Kings | L | 64-7 |
| United Rugby Championship | 2018/02/16 19:35 | Ospreys v Kings | L | 26-12 |
| United Rugby Championship | 2018/02/09 19:35 | Ulster v Kings | L | 59-10 |
| United Rugby Championship | 2018/01/20 15:00 | Cheetahs v Kings | L | 45-24 |
| United Rugby Championship | 2018/01/13 15:00 | Kings v Cheetahs | L | 21-45 |
Away History
| United Rugby Championship | 2018/04/07 16:15 | Cheetahs v Cardiff | L | 29-27 |
| Challenge Européen de rugby | 2018/03/31 16:45 | Édimbourg v Cardiff | W | 6-20 |
| United Rugby Championship | 2018/03/24 15:15 | Cardiff v Ulster | W | 35-17 |
| United Rugby Championship | 2018/03/16 19:35 | Cardiff v Benetton Treviso | W | 31-25 |
| United Rugby Championship | 2018/02/25 13:00 | Zebre v Cardiff | W | 7-10 |
| United Rugby Championship | 2018/02/17 17:30 | Cardiff v Munster | W | 25-18 |
| United Rugby Championship | 2018/02/10 19:35 | Cardiff v Cheetahs | W | 25-20 |
| LV Cup | 2018/02/02 19:45 | Cardiff v London Irish | L | 21-42 |