Face à face
| United Rugby Championship | 2018/03/24 15:15 | Cardiff v Ulster | L | 35-17 |
| United Rugby Championship | 2017/04/07 18:35 | Ulster v Cardiff | D | 24-24 |
| United Rugby Championship | 2016/12/03 17:15 | Cardiff v Ulster | W | 22-35 |
| United Rugby Championship | 2016/02/28 14:30 | Cardiff v Ulster | L | 23-13 |
| United Rugby Championship | 2015/10/23 18:35 | Ulster v Cardiff | W | 24-17 |
| United Rugby Championship | 2015/03/27 19:35 | Ulster v Cardiff | W | 36-17 |
| United Rugby Championship | 2014/09/19 18:35 | Cardiff v Ulster | W | 9-26 |
Home History
| United Rugby Championship | 2018/11/23 19:35 | Scarlets v Ulster | L | 29-12 |
| United Rugby Championship | 2018/11/03 15:00 | Benetton Treviso v Ulster | W | 10-15 |
| United Rugby Championship | 2018/10/26 18:55 | Ulster v Dragons | W | 36-18 |
| Coupe d'Europe de rugby | 2018/10/20 16:30 | Racing Metro v Ulster | L | 44-12 |
| Coupe d'Europe de rugby | 2018/10/13 16:30 | Ulster v Leicester | W | 24-10 |
| United Rugby Championship | 2018/10/05 18:35 | Ulster v Connacht | L | 15-22 |
| United Rugby Championship | 2018/09/29 18:35 | Munster v Ulster | L | 64-7 |
| United Rugby Championship | 2018/09/21 17:15 | Cheetahs v Ulster | D | 39-39 |
Away History
| United Rugby Championship | 2018/11/23 19:35 | Glasgow v Cardiff | L | 40-15 |
| United Rugby Championship | 2018/11/04 14:45 | Cardiff v Zebre | W | 37-0 |
| United Rugby Championship | 2018/10/27 17:15 | Cheetahs v Cardiff | L | 21-10 |
| Coupe d'Europe de rugby | 2018/10/21 14:15 | Cardiff v Glasgow | L | 12-29 |
| Coupe d'Europe de rugby | 2018/10/14 12:00 | Lyon v Cardiff | W | 21-30 |
| United Rugby Championship | 2018/10/06 16:15 | Dragons v Cardiff | W | 15-23 |
| United Rugby Championship | 2018/09/28 18:35 | Cardiff v Cheetahs | W | 24-21 |
| United Rugby Championship | 2018/09/21 18:35 | Cardiff v Munster | W | 37-13 |