Face à face
| United Rugby Championship | 2019/10/25 18:35 | Ulster v Cardiff | L | 23-14 |
| United Rugby Championship | 2018/12/01 15:00 | Ulster v Cardiff | L | 16-12 |
| United Rugby Championship | 2018/03/24 15:15 | Cardiff v Ulster | W | 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 | L | 22-35 |
| United Rugby Championship | 2016/02/28 14:30 | Cardiff v Ulster | W | 23-13 |
| United Rugby Championship | 2015/10/23 18:35 | Ulster v Cardiff | L | 24-17 |
| United Rugby Championship | 2015/03/27 19:35 | Ulster v Cardiff | L | 36-17 |
Home History
| United Rugby Championship | 2020/10/26 20:15 | Munster v Cardiff | L | 38-27 |
| United Rugby Championship | 2020/10/10 18:35 | Cardiff v Connacht | W | 29-7 |
| United Rugby Championship | 2020/10/02 17:00 | Zebre v Cardiff | W | 6-16 |
| United Rugby Championship | 2020/08/30 16:00 | Cardiff v Ospreys | W | 29-20 |
| United Rugby Championship | 2020/08/22 14:00 | Scarlets v Cardiff | L | 32-12 |
| United Rugby Championship | 2020/02/28 19:35 | Édimbourg v Cardiff | L | 14-6 |
| United Rugby Championship | 2020/02/23 17:15 | Cardiff v Benetton Treviso | W | 34-24 |
| United Rugby Championship | 2020/02/15 19:35 | Connacht v Cardiff | L | 29-0 |
Away History
| United Rugby Championship | 2020/10/25 15:00 | Ulster v Dragons | W | 40-17 |
| United Rugby Championship | 2020/10/10 16:15 | Ospreys v Ulster | W | 12-24 |
| United Rugby Championship | 2020/10/02 19:15 | Ulster v Benetton Treviso | W | 35-24 |
| Coupe d'Europe de rugby | 2020/09/20 11:30 | Toulouse v Ulster | L | 36-8 |
| United Rugby Championship | 2020/09/12 18:35 | Leinster v Ulster | L | 27-5 |
| United Rugby Championship | 2020/09/05 18:35 | Édimbourg v Ulster | W | 19-22 |
| United Rugby Championship | 2020/08/29 18:35 | Ulster v Leinster | L | 10-28 |
| United Rugby Championship | 2020/08/23 15:30 | Connacht v Ulster | L | 26-20 |