The Leicester Tigers ticket office has so far been selling to season ticket holders for the match against Cardiff Blues at the Millennium Stadium on Sunday, May 3 (3pm kick-off).
Members have priority from Monday morning before remaining tickets go on general sale on Tuesday (April 21).
Tickets are priced £40, £30 and £20 for adults, half price in each category for concessions.
Please book your seats as quickly as possible because tournament organisers ERC will require any unsold tickets to be returned in advance of the game. Please do not delay if you want to join Tigers at the match.
Buying tickets through the Tigers ticket office ensures you will be located with the bulk of the travelling Leicester supporters for a massive encounter with the Blues.
Book coach travel to Cardiff with the Tigers Travel Club, price £18 for season ticket holders and members, and £21 for non-members.
Contact the Tigers ticket office on 0844 856 1880, call in at Welford Road or book your match tickets online. The ticket office is open as normal during the redevelopment work on the new Caterpillar Stand, 8.30am-5pm Monday-Friday, 9am-2pm Saturday.