London Irish 39-29 Harlequins 2017-09-02 15:45
Stadium: Twickenham Stadium Round: 1
Referee: Tom Foley Home Manager: Nick Kennedy Away Manager: Mark Mapletoft
Head to Head
| Premiership Rugby | 2016/05/01 14:00 | London Irish v Harlequins | L | 25-32 |
| European Rugby Challenge Cup | 2016/04/09 19:05 | Harlequins v London Irish | L | 38-30 |
| Premiership Rugby | 2015/12/05 15:00 | Harlequins v London Irish | L | 38-7 |
| Premiership Rugby | 2015/03/07 15:00 | Harlequins v London Irish | L | 26-20 |
| Premiership Rugby | 2014/09/06 15:30 | London Irish v Harlequins | L | 15-20 |