Statistics for Guinness Premiership
Statistics for Harlequins vs London Irish (Rev)
| Games played: | 18 | 8.91% |
| Games won by Harlequins: | 6 | 33.33% |
| Games lost by Harlequins: | 10 | 55.56% |
| Games drawn: | 2 | 11.11% |
| Most wins in a row for Harlequins over London Irish: | 3 | |
| Most losses in a row for Harlequins to London Irish: | 4 | |
| Largest points for Harlequins: | 34 | 34 - 17 |
| Largest points against Harlequins: | 62 | 62 - 14 |
| Largest winning margin for Harlequins: | 17 | 34 - 17 |
| Largest losing margin for Harlequins: | 48 | 62 - 14 |
| Total points for Harlequins: | 335 | |
| Total points against Harlequins: | 406 | |
| Average points for Harlequins per game: | 18.61 | |
| Average points against Harlequins per game: | 22.56 | |
| Average points difference per game between Harlequins and London Irish: | -3.94 | |
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