Head to Head
| Premiership Rugby | 2018/09/15 14:00 | Harlequins v Bath | W | 32-37 |
| Premiership Rugby | 2018/03/04 15:00 | Harlequins v Bath | L | 20-5 |
| Premiership Rugby | 2017/11/25 12:45 | Bath v Harlequins | W | 38-14 |
| Premiership Rugby | 2017/02/18 15:00 | Bath v Harlequins | W | 22-12 |
| Premiership Rugby | 2016/11/27 15:15 | Harlequins v Bath | L | 21-20 |
| Premiership Rugby | 2016/03/11 19:45 | Harlequins v Bath | L | 35-28 |
| Premiership Rugby | 2015/10/31 13:30 | Bath v Harlequins | L | 28-38 |
| Premiership Rugby | 2015/05/08 18:45 | Harlequins v Bath | W | 26-27 |
Home History
| European Rugby Champions Cup | 2018/10/20 14:15 | Wasps v Bath | D | 35-35 |
| European Rugby Champions Cup | 2018/10/13 12:00 | Bath v Toulouse | L | 20-22 |
| Premiership Rugby | 2018/10/05 18:45 | Bath v Exeter Chiefs | L | 24-39 |
| Premiership Rugby | 2018/09/29 14:00 | Saracens v Bath | L | 50-27 |
| Premiership Rugby | 2018/09/22 14:00 | Bath v Northampton | W | 17-15 |
| Premiership Rugby | 2018/09/15 14:00 | Harlequins v Bath | W | 32-37 |
| Premiership Rugby | 2018/09/08 15:30 | Bath v Gloucester | D | 31-31 |
| Premiership Rugby | 2018/08/31 18:45 | Bristol v Bath | L | 17-10 |
Away History
| European Rugby Challenge Cup | 2018/10/20 19:00 | Grenoble v Harlequins | L | 19-13 |
| European Rugby Challenge Cup | 2018/10/13 14:00 | Harlequins v Agen | W | 54-22 |
| Premiership Rugby | 2018/10/06 18:30 | Harlequins v Saracens | L | 20-25 |
| Premiership Rugby Shield | 2018/10/01 19:15 | Saracens Storm v Harlequins | L | 35-17 |
| Premiership Rugby | 2018/09/29 14:00 | Gloucester v Harlequins | W | 25-27 |
| Premiership Rugby Shield | 2018/09/24 18:45 | Bath United v Harlequins | W | 22-31 |
| Premiership Rugby | 2018/09/22 14:00 | Bristol v Harlequins | L | 20-13 |
| Premiership Rugby | 2018/09/15 14:00 | Harlequins v Bath | L | 32-37 |