Round 1
Friday 5 December
22:00 Sale Sharks v Glasgow Warriors (CorpAcq Stadium)
22:00 Bayonne v Stormers (Stade Jean Dauger)
Saturday 6 December
15:00 Saracens v Clermont Auvergne (StoneX Stadium)
17:15 Bulls v Bordeaux-Bègles (Loftus Versfeld)
17:30 La Rochelle v Leicester Tigers (Stade Marcel Deflandre)
19:30 Leinster v Harlequins (TBD)
22:00 Scarlets v Bristol Bears (Parc y Scarlets)
22:00 Bath v Munster (The Rec)
Sunday 7 December
15:00 Section Paloise v Northampton Saints (Stade du Hameau)
17:15 Toulouse v Sharks (Stade Ernest Wallon)
17:15 Gloucester v Castres (Kingsholm)
19:30 Edinburgh v Toulon (Hive Stadium)
Round 2
Friday 12 December
22:00 Leicester Tigers v Leinster (Welford Road)
Saturday 13 December
15:00 Stormers v La Rochelle (Nelson Mandela Bay)
17:15 Sharks v Saracens (Kings Park)
17:15 Clermont Auvergne v Sale Sharks (Stade Marcel-Michelin)
19:30 Bordeaux-Bègles v Scarlets (Stade Chaban-Delmas)
19:30 Munster v Gloucester (Pairc Ui Chaoimh)
22:00 Glasgow Warriors v Toulouse (Scotstoun Stadium)
Sunday 14 December
15:00 Harlequins v Bayonne (The Stoop)
15:00 Castres v Edinburgh (Stade Pierre-Fabre)
17:15 Toulon v Bath (Stade Felix Mayol)
17:15 Northampton Saints v Bulls (Cinch Stadium)
19:30 Bristol Bears v Section Paloise (Ashton Gate)
Round 3
Friday 9 January
22:00 Castres v Bath (Stade Pierre-Fabre)
22:00 Edinburgh v Gloucester (Hive Stadium)
Saturday 10 January
15:00 Bulls v Bristol Bears (Loftus Versfeld)
17:15 Clermont Auvergne v Glasgow (Stade Marcel-Michelin)
19:30 Leinster v La Rochelle (TBD)
19:30 Sale Sharks v Sharks (CorpAcq Stadium)
22:00 Scarlets v Section Paloise (Parc y Scarlets)
22:00 Leicester Tigers v Bayonne (Welford Road)
Sunday 11 January
15:00 Harlequins v Stormers (The Stoop)
15:00 Toulon v Munster (Stade Felix Mayol)
17:15 Bordeaux-Bègles v Northampton (Stade Chaban-Delmas)
19:30 Saracens v Toulouse (StoneX Stadium)
Round 4
Friday 16 January
22:00 Section Paloise v Bulls (Stade du Hameau)
22:00 Bath v Edinburgh (The Rec)
Saturday 17 January
15:00 Sharks v Clermont Auvergne (Kings Park)
17:15 Bayonne v Leinster (Stade Jean Dauger)
17:15 Stormers v Leicester Tigers (DHL Stadium)
17:30 Toulouse v Sale Sharks (Stade Ernest Wallon)
17:30 Munster v Castres (Thomond Park)
22:00 Gloucester v Toulon (Kingsholm)
Sunday 18 January
15:00 Bristol Bears v Bordeaux-Bègles (Ashton Gate)
17:15 Northampton Saints v Scarlets (Cinch Stadium)
17:15 La Rochelle v Harlequins (Stade Marcel Deflandre)
19:30 Glasgow Warriors v Saracens (Scotstoun Stadium)