Head to Head
| Premiership Rugby | 2021/05/29 13:00 | Harlequins v Bath | W | 44-33 |
| Premiership Rugby | 2021/02/06 14:15 | Bath v Harlequins | W | 15-28 |
| Premiership Rugby | 2020/09/05 13:00 | Harlequins v Bath | L | 27-41 |
| Premiership Rugby | 2020/02/22 15:00 | Bath v Harlequins | L | 19-12 |
| European Rugby Champions Cup | 2020/01/10 19:45 | Bath v Harlequins | W | 19-25 |
| European Rugby Champions Cup | 2019/11/23 17:30 | Harlequins v Bath | W | 15-9 |
| Premiership Rugby | 2019/03/02 15:00 | Bath v Harlequins | W | 29-31 |
| Premiership Rugby Cup | 2018/10/27 14:00 | Bath v Harlequins | W | 19-27 |
Home History
| Premiership Rugby | 2021/10/15 18:45 | Sale Sharks v Harlequins | L | 28-22 |
| Premiership Rugby | 2021/10/08 18:45 | Harlequins v Bristol | W | 52-24 |
| Premiership Rugby | 2021/09/25 14:00 | Harlequins v Worcester Warriors | W | 35-29 |
| Premiership Rugby | 2021/09/19 14:00 | Newcastle Falcons v Harlequins | W | 20-26 |
| UWC | 2021/08/31 17:19 | Bordeaux v Harlequins | L | 14-0 |
| Premiership Rugby | 2021/06/26 16:30 | Exeter Chiefs v Harlequins | W | 38-40 |
| Premiership Rugby | 2021/06/19 12:30 | Bristol v Harlequins | W | 36-43 |
| Premiership Rugby | 2021/06/12 14:00 | Harlequins v Newcastle Falcons | W | 54-26 |
Away History
| Premiership Rugby | 2021/10/17 14:00 | Bath v Saracens | L | 17-71 |
| Premiership Rugby | 2021/10/01 18:45 | Bristol v Bath | L | 25-20 |
| Premiership Rugby | 2021/09/25 14:00 | Bath v Newcastle Falcons | L | 13-20 |
| Premiership Rugby | 2021/09/18 16:00 | Sale Sharks v Bath | L | 20-19 |
| Friendlies | 2021/09/10 18:15 | Cardiff v Bath | L | 25-14 |
| Premiership Rugby | 2021/06/12 14:00 | Bath v Northampton | W | 30-24 |
| Premiership Rugby | 2021/05/29 13:00 | Harlequins v Bath | L | 44-33 |
| Premiership Rugby | 2021/05/14 18:45 | Bath v Sale Sharks | L | 20-24 |