Reigning champions Connacht will launch the defence of their Guinness PRO12 title against Glasgow Warriors.
Champions Cup holders Saracens have been drawn against Toulon while Bath will meet Bristol in the Challenge Cup.
Wales and Newport Gwent Dragons forward Andrew Coombs has announced his retirement from rugby due to injury.
Kingsley Jones to continue as coach of Newport Gwent Dragons after Pro12 club dispensed with director of rugby role.
We put the best in the Guinness PRO12 up against the best in the Aviva Premiership in our head-to-head teams of the season.
Watch all the highlights from a dramatic final round in the Guinness PRO12 as Leinster and Connacht booked home semi-finals.
Zebre hammered Newport Gwent Dragons 47-22 in Parma to qualify for next season's European Champions Cup.
Leinster will take on Ulster and Connacht will host Glasgow in the Guinness PRO12 play-offs, live on Sky Sports.
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Barbarians v South Africa
5th November 2016