Sunday afternoon's Heineken Cup sixth round pool clashes brought an end to the Pool phase of the Heineken Cup and the quarter finalists have now been decided.

The 2011/12 Heineken Cup Quarter final match ups are as follows.

1.Munster vs Ulster

2. Leinster vs Blues

3. Edinburgh vs Toulouse

4. Saracens vs ASM Clermont Auvergne

To be played Weekend of April 6, 7, 8

The potential Heineken Cup Semi-finals are therefore :

1. Saracens or Clermont vs Leinster or Cardiff Blues

2. Munster or Ulster vs Edinburgh or Toulouse

To be played Weekend of April 28/29

The qualifiers for the Heineken Cup quarter-finals finished in the rankings as follows:

1 Munster Rugby
2 Leinster Rugby
3 Edinburgh Rugby
4 Saracens
5 ASM Clermont Auvergne
6 Toulouse
7 Cardiff Blues (Best Pool runner-up)
8 Ulster Rugby (Second best Pool runner-up)

The three Heineken Cup Pool runners-up who qualified for the Amlin Challenge Cup 2011/12 quarter-finals are:

1 Biarritz Olympique (Third best Pool runner-up)
2 Harlequins (Fourth best Pool runner-up)
3 Scarlets (Fifth best Pool runner-up)