17 May 13
Harlequins has confirmed an exciting group of pre-season fixtures as it prepares for the start of the 2013-14 season.
Confirmation of the day and kick-off time of the quarter-final is expected during the week when ERC, the tournament organiser, completes its negotiations with television broadcasters.
Harlequins will announce details of ticketing later this week; the club's season ticket holders will have a priority booking period. Supporters should monitor the club's website www.quins.co.uk and social media channels for further announcements.