Head to Head
| European Rugby Challenge Cup, Pool A | 2021/04/04 19:00 | Harlequins v 울스터 | L | 21-57 |
| European Rugby Champions Cup, Pool A | 2019/12/13 19:45 | Harlequins v 울스터 | L | 10-34 |
| European Rugby Champions Cup, Pool A | 2019/12/07 15:15 | 울스터 v Harlequins | L | 25-24 |
| European Rugby Champions Cup, Pool A | 2017/12/15 19:45 | 울스터 v Harlequins | L | 52-24 |
| European Rugby Champions Cup, Pool A | 2017/12/10 13:00 | Harlequins v 울스터 | L | 5-17 |