Champions Cup holders Saracens have been drawn against Toulon while Bath will meet Bristol in the Challenge Cup.
Toulon joined Clermont Auvergne in reaching the Top 14 semi-finals on Sunday, as Montpellier and Racing 92 gained home barrage play-offs.
Bordeaux-Begles defeated Grenoble 20-14 at the Stade des Alpes to remain on course for the Top 14 play-offs.
Stuart Barnes talks about the form teams making European finals and an unusually bad day for referee Nigel Owens.
Team of the week includes strong semi-finalists and leaders of the pack from the Top 14 and Super Rugby.
Joe Marler could face another suspension after appearing to kick Arnaud Heguy in the head in Harlequins win over Grenoble.
Nick Evans has recovered from a broken leg three weeks ahead of schedule to feature in Harlequins' semi-final against Grenoble.
Jonathan Wisniewski's kicking condemned Connacht to a 33-32 defeat at Grenoble in the European Rugby Challenge Cup quarter-final.
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Barbarians v South Africa
5th November 2016