[1] London Irish 41-35 Cardiff Blues [3] 2021-04-02 16:30
Stadium: Brentford Community Stadium Round: 4
Home Manager: Declan Kidney Away Manager: John Mulvihill
Head to Head
| LV Cup | 2018/02/02 19:45 | Cardiff Blues v London Irish | W | 21-42 |
| European Rugby Challenge Cup | 2014/12/13 15:00 | London Irish v Cardiff Blues | W | 34-23 |
| European Rugby Challenge Cup | 2014/12/06 15:15 | Cardiff Blues v London Irish | L | 24-14 |
Home History
| Premiership Rugby | 2021/03/27 15:00 | London Irish v Bath | W | 36-33 |
| Premiership Rugby | 2021/03/21 15:00 | Sale Sharks v London Irish | L | 41-13 |
| Premiership Rugby | 2021/03/14 13:00 | London Irish v Worcester Warriors | W | 20-17 |
| Premiership Rugby | 2021/03/05 19:45 | Leicester v London Irish | L | 33-32 |
| Premiership Rugby | 2021/02/27 15:00 | Wasps v London Irish | W | 10-16 |
| Premiership Rugby | 2021/02/21 15:00 | London Irish v Bristol | D | 34-34 |
| Premiership Rugby | 2021/02/13 16:15 | Exeter Chiefs v London Irish | L | 26-3 |
| Premiership Rugby | 2021/02/06 15:00 | London Irish v Gloucester | W | 32-26 |
Away History
| Pro 14 Rugby | 2021/03/22 20:00 | Cardiff Blues v Edinburgh | W | 34-15 |
| Pro 14 Rugby | 2021/03/14 13:00 | Benetton Treviso v Cardiff Blues | W | 14-29 |
| Pro 14 Rugby | 2021/02/26 20:00 | Cardiff Blues v Munster | L | 11-20 |
| Pro 14 Rugby | 2021/02/20 19:35 | Connacht v Cardiff Blues | L | 32-17 |
| Pro 14 Rugby | 2021/01/22 20:00 | Scarlets v Cardiff Blues | W | 10-13 |
| Pro 14 Rugby | 2021/01/09 19:35 | Cardiff Blues v Scarlets | W | 29-20 |
| Pro 14 Rugby | 2021/01/01 19:35 | Cardiff Blues v Ospreys | L | 3-17 |
| Pro 14 Rugby | 2020/12/26 15:00 | Newport Gwent Dragons v Cardiff Blues | W | 12-13 |