Saracens have been handed a home Heineken Cup semi-final against Clermont or Leicester should they reach that stage.
The Premiership leaders will first have to travel to Ravenhill and face top seed Ulster in the quarter-finals on the first weekend of April.
In the other quarter-finals, the Tigers will hope to break Clermont’s incredible 71-game unbeaten home record while reigning champions Toulon host reigning Amlin Cup champions Leinster at Stade Mayol.
The winner of this game will then play at home against Munster or Toulouse.
With six Premiership clubs in the Amlin Challenge Cup quarter-finals, top seed Bath take on former Heineken Cup winners Brive at The Rec.
A win for The West Country side will see them travel to either London Wasps or Gloucester in the semi-finals.
Meanwhile, Sale will face Northampton at the AJ Bell with Stade Francais or Harlequins awaiting in the semi-finals.
Heineken Cup quarter-finals (to be played on 4,5,6 April)
Ulster v Saracens
Clermont v Leicester
Toulon v Leinster
Munster v Toulouse
Heineken Cup semi-finals (to be played on weekend of 25, 26, 27 April)
Ulster or Saracens v Clermont or Leicester
Toulon or Leinster v Munster or Toulouse
Amlin Challenge Cup quarter-finals (to be played on 3,4,5,6 April)
Bath v Brive
London Wasps v Gloucester
Stade Francais v Harlequins
Sale v Northampton
Amlin Challenge Cup semi-finals (to be played on weekend of 25, 26, 27 April)
London Wasps or Gloucester v Bath or Brive
Sale or Northampton v Stade Francais or Harlequins
