[5] London Irish 37-22 Northampton [4] 2023-03-25 17:30
Stadium: Brentford Community Stadium Round: 21
Referee: Anthony Woodthorpe Home Manager: Declan Kidney Away Manager: Chris Boyd
Face à face
| Rugby - Premiership Cup | 2023/02/10 19:45 | London Irish v Northampton | W | 30-18 |
| Rugby - Premiership Cup | 2022/09/27 18:45 | London Irish v Northampton | W | 28-26 |
| Rugby - Premiership | 2022/09/17 13:00 | Northampton v London Irish | L | 38-22 |
| Rugby - Premiership | 2022/03/26 15:00 | London Irish v Northampton | L | 22-42 |
| Rugby - Premiership Cup | 2021/11/13 15:30 | Northampton v London Irish | W | 26-36 |
| Rugby - Premiership | 2021/10/02 13:00 | Northampton v London Irish | L | 23-21 |
| Rugby - Premiership | 2021/04/16 18:45 | Northampton v London Irish | L | 44-26 |
| Rugby - Premiership | 2020/08/22 13:00 | London Irish v Northampton | L | 3-27 |
| Rugby - Premiership | 2020/01/24 19:45 | Northampton v London Irish | W | 16-20 |
| Rugby - Premiership | 2018/02/17 15:00 | Northampton v London Irish | L | 25-17 |
| Rugby - Premiership | 2017/09/24 14:00 | London Irish v Northampton | L | 25-40 |
| Rugby - Premiership | 2016/02/13 15:00 | Northampton v London Irish | L | 35-7 |
| Rugby - Premiership | 2015/12/26 14:30 | London Irish v Northampton | W | 25-23 |
| Rugby - Premiership | 2015/02/13 19:45 | Northampton v London Irish | L | 15-9 |
| Rugby - Premiership | 2014/10/04 14:00 | London Irish v Northampton | L | 12-19 |