Connacht and Leinster will kick off the Heineken Champions Cup last 16 round at the Sportsground on Friday, April 8 at 8pm.
The four provinces now know the dates and kick-off times as they enter the knock-out stages of the competition, with aggregate scores determining which teams progress to the quarter-finals.
Four time winners Leinster have moved the second leg of the eagerly-awaited clash from the RDS to the Lansdowne Road venue that has a 51,000 capacity on Friday, April 15.
Reigning champions Toulouse are moving their first leg fixture against Ulster, the URC table-toppers, to the 33,000-capacity Le Stadium on Saturday, 9 April.
The second leg goes ahead at the Kingspan Stadium on Saturday, 16 April.
Munster are also away from home in their first leg, at Sandy Park, to face the 2020 champions Exeter Chiefs on Saturday, April 9.
Thomond Park will host the second leg seven days later.
In the event of drawn matches or equal aggregate scores at the end of normal time in the second leg, extra-time will be played.
Heineken Champions Cup - Round of 16 first leg
( all kick-offs local times )
Friday 8 April
Connacht Rugby v Leinster Rugby, The Sportsground (20.00)
BT Sport / beIN SPORTS
Saturday 9 April
Sale Sharks v Bristol Bears, AJ Bell Stadium (13.00)
Channel 4 / Virgin Media / BT Sport / beIN SPORTS
Union Bordeaux-Bègles v Stade Rochelais, venue TBC (14.00)
beIN SPORTS / BT Sport
Stade Toulousain v Ulster Rugby, Le Stadium (16.15)
beIN SPORTS / FR 2 / BT Sport
Exeter Chiefs v Munster Rugby, Sandy Park (17.30)
BT Sport / beIN SPORTS
Stade Francais Paris v Racing 92, Stade Jean Bouin (18.30)
beIN SPORTS / BT Sport
Sunday 10 April
Montpellier Hérault Rugby v Harlequins, GGL Stadium (14.00)
beIN SPORTS / BT Sport
ASM Clermont Auvergne v Leicester Tigers, Stade Marcel-Michelin (16.15)
beIN SPORTS / FR 2 / BT Sport
Heineken Champions Cup - Round of 16 second leg
Friday 15 April
Leinster Rugby v Connacht Rugby, Aviva Stadium (17.30)
BT Sport / beIN SPORTS
Bristol Bears v Sale Sharks, Ashton Gate (20.00)
BT Sport / beIN SPORTS
Saturday 16 April
Harlequins v Montpellier Hérault Rugby, Twickenham Stoop (12.30)
Channel 4 / Virgin Media / BT Sport / beIN SPORTS
Munster Rugby v Exeter Chiefs, Thomond Park (15.00)
BT Sport / beIN SPORTS
Stade Rochelais v Union Bordeaux-Bégles, Stade Marcel Deflandre (16.00)
FR 2 / beIN SPORTS / BT Sport
Leicester Tigers v ASM Clermont Auvergne, Mattioli Woods Welford Road (17.30)
BT Sport / beIN SPORTS / FR 4
Ulster Rugby v Stade Toulousain, Kingspan Stadium (20.00)
BT Sport / beIN SPORTS
Sunday 17 April
Racing 92 v Stade Francais Paris, Paris La Défense Arena (16.30)
beIN SPORTS / BT Sport
Quarter-finals – 6/7/8 May
The quarter-finals will be played over one match, and the highest-ranked clubs from the pool stage will have home venue advantage as follows:
QF 1: Racing 92 (A1) or Stade Francais (B8) v Bristol Bears (B4) or Sale Sharks (A5)
QF 2: Harlequins (B2) or Montpellier (A7) v Stade Rochelais (A3) or Bordeaux-Bègles (B6)
QF 3: Ulster (A2) or Stade Toulousain (B7) v Munster (B3) or Exeter Chiefs (A6)
QF 4: Leicester Tigers (B1) or Clermont (A8) v Leinster (A4) or Connacht (B5)
Semi-finals – 13/14/15 May
The semi-finals will be played over one match, and the highest-ranked clubs from the pool stage will have either home country advantage or home venue advantage (TBC) as follows:
SF 1: Winner QF 1 v Winner QF 2
SF 2: Winner QF 3 v Winner QF 4
2022 Heineken Champions Cup final: Saturday, 28 May; Stade Vélodrome, Marseille (17.45)
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