[9] London Irish 3-27 Northampton [6] 2020-08-22 13:00
Stadium: London Round: 15
Referee: Ian Tempest Home Manager: Declan Kidney Away Manager: Chris Boyd
Head to Head
| Premiership Rugby | 2020/01/24 19:45 | Northampton v London Irish | W | 16-20 |
| Premiership Rugby | 2018/02/17 15:00 | Northampton v London Irish | L | 25-17 |
| Premiership Rugby | 2017/09/24 14:00 | London Irish v Northampton | L | 25-40 |
| Premiership Rugby | 2016/02/13 15:00 | Northampton v London Irish | L | 35-7 |
| Premiership Rugby | 2015/12/26 14:30 | London Irish v Northampton | W | 25-23 |
| Premiership Rugby | 2015/02/13 19:45 | Northampton v London Irish | L | 15-9 |
| Premiership Rugby | 2014/10/04 14:00 | London Irish v Northampton | L | 12-19 |
Home History
| Premiership Rugby | 2020/08/15 14:00 | Bath v London Irish | L | 34-17 |
| Premiership Rugby | 2020/03/06 20:00 | Sale Sharks v London Irish | L | 39-0 |
| Premiership Rugby | 2020/03/01 14:30 | London Irish v Wasps | L | 26-36 |
| Premiership Rugby | 2020/02/22 15:00 | London Irish v Gloucester | W | 24-20 |
| Premiership Rugby | 2020/02/15 15:00 | Harlequins v London Irish | W | 15-29 |
| Premiership Rugby | 2020/01/24 19:45 | Northampton v London Irish | W | 16-20 |
| European Rugby Challenge Cup | 2020/01/18 20:00 | London Irish v Scarlets | L | 14-33 |
| European Rugby Challenge Cup | 2020/01/11 16:00 | Bayonne v London Irish | L | 27-10 |
Away History
| Premiership Rugby | 2020/08/16 14:00 | Northampton v Wasps | L | 21-34 |
| Premiership Rugby | 2020/03/06 19:45 | Worcester Warriors v Northampton | W | 10-16 |
| Premiership Rugby | 2020/02/29 15:00 | Northampton v Saracens | L | 21-27 |
| Premiership Rugby | 2020/02/23 13:00 | Exeter Chiefs v Northampton | L | 57-7 |
| Premiership Rugby | 2020/02/16 15:00 | Northampton v Bristol | L | 14-20 |
| Premiership Rugby | 2020/01/24 19:45 | Northampton v London Irish | L | 16-20 |
| European Rugby Champions Cup | 2020/01/18 13:00 | Lyon v Northampton | W | 24-36 |
| European Rugby Champions Cup | 2020/01/12 13:00 | Northampton v Benetton Treviso | W | 33-20 |