Head to Head
| 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 |
| Premiership Rugby | 2018/09/15 14:00 | Harlequins v Bath | L | 32-37 |
Home History
| Premiership Rugby | 2021/05/15 14:30 | Leicester v Harlequins | L | 35-29 |
| Premiership Rugby | 2021/05/09 14:00 | Harlequins v Wasps | W | 48-46 |
| Premiership Rugby | 2021/04/24 11:30 | London Irish v Harlequins | W | 21-25 |
| Premiership Rugby | 2021/04/17 16:00 | Harlequins v Worcester Warriors | W | 50-26 |
| European Rugby Challenge Cup | 2021/04/04 19:00 | Harlequins v Ulster | L | 21-57 |
| Premiership Rugby | 2021/03/27 14:00 | Bristol v Harlequins | L | 35-33 |
| Premiership Rugby | 2021/03/20 14:00 | Harlequins v Gloucester | W | 59-24 |
| Premiership Rugby | 2021/03/13 12:30 | Exeter Chiefs v Harlequins | L | 21-20 |
Away History
| Premiership Rugby | 2021/05/14 18:45 | Bath v Sale Sharks | L | 20-24 |
| Premiership Rugby | 2021/05/08 15:30 | Bath v Bristol | L | 20-40 |
| European Rugby Challenge Cup | 2021/05/01 19:00 | Bath v Montpellier | L | 10-19 |
| Premiership Rugby | 2021/04/25 14:00 | Wasps v Bath | L | 39-29 |
| Premiership Rugby | 2021/04/18 14:00 | Bath v Leicester | W | 21-20 |
| European Rugby Challenge Cup | 2021/04/09 19:00 | Bath v London Irish | W | 26-13 |
| European Rugby Challenge Cup | 2021/04/02 14:00 | Zebre v Bath | W | 27-35 |
| Premiership Rugby | 2021/03/27 15:00 | London Irish v Bath | L | 36-33 |