EXETER Chiefs will continue their Champions Cup defence at home to Lyon in the last 16 on Saturday, April 3.
Four-time champions Leinster kick off the knockout stages as they host Toulon on April 2, before Gloucester welcome La Rochelle later on that Friday.
On the same day Cardiff Blues travel to London Irish in the second-tier Challenge Cup - the first of three Anglo-Welsh ties in the tournament.
Champions Cup fixtures
Friday, April 2
Leinster v RC Toulon 17:30 
Gloucester v La Rochelle 20:00 
Saturday, April 3
Wasps v Clermont 12:30
Munster v Toulouse 15:00 ...