17 May 13
Harlequins has confirmed an exciting group of pre-season fixtures as it prepares for the start of the 2013-14 season.
Roland Mercer

| |||||||||||||||||
| Played | 47 |
| Wins | 14 |
| Losses | 30 |
| Draws | 3 |
| Average Pts Per Game | 18 |
| Biggest Win | 42 - 21 |
| Heaviest Defeat | 13 - 58 |
| Harlequins 40 - 13 Biarritz Olympique Pays Basque | ||
| Saturday 13th October 2012, KO 18:00 | ||
| Twickenham Stoop Att: 13,815 | ||
| Referee: George Clancy | ||
| Played | 0 |
| Wins | 0 |
| Losses | 0 |
| Draws | 0 |
| Tries | 0 |
| Conversions | 0 |
| Penalties | 0 |
| Drop Goals | 0 |
| Points | 0 |
| Avg. Age | 26 |
| Champions | 5 |
| Played | 0 |
| Wins | 0 |
| Losses | 0 |
| Draws | 0 |
| Tries | 0 |
| Conversions | 0 |
| Penalties | 0 |
| Drop Goals | 0 |
| Points | 0 |
| Avg. Age | 29 |
| Champions | 1 |

| |||||||||||||||||
| Played | 78 |
| Wins | 49 |
| Losses | 29 |
| Draws | 0 |
| Average Pts Per Game | 23 |
| Biggest Win | 50 - 7 |
| Heaviest Defeat | 16 - 45 |