Both the Scarlets and the Blues will have home advantage when they attack the 15th Heineken Cup competiton in October.
The Blues will play their first European match at their Cardiff City Stadium against Harlequins, while the Scarlets will begin their campaign by welcoming Brive to west Wales.
Leinster will launch the defence of their Heineken Cup title against London Irish on the evening of Friday 9, October 2009 at the RDS in Dublin in what will be their first meeting in Europe's premier club rugby tournament
The fixtures, dates, kick-off times and host broadcasters for the first four Rounds of the 15th edition of the Heineken Cup were today (Thursday, 23 July) announced by ERC, the tournament organisers.
Leo Cullen's champions then travel to France to clash with 1997 winners Brive in another tournament first meeting before their quick-fire back-to-back contests with more familiar opponents the Scarlets.
Former double champions Leicester Tigers, beaten 19-16 in the 2009 final at Murrayfield two months ago, open their challenge in the Heineken Cup 2009/10 at the revamped 24,000-capacity Welford Road against the Ospreys in a carbon copy start to last season's campaign.
While the English champions have the bonus of a home start, French champions Perpignan begin on the road against top Italian club Benetton Treviso with Heineken Cup 2009 semi-finalists Cardiff Blues home to Harlequins and Munster travelling to Northampton Saints in yet another clash of former tournament winners.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.