Group A: Benfica, Manchester United, Basel, CSKA Moscow

Group B: Bayern Munich, Paris St-Germain, Anderlecht, Celtic

Group C: Chelsea, Atletico Madrid, Roma, Qarabag

Group D: Juventus, Barcelona, Olympiakos, Sporting

Group E: Spartak Moscow, Sevilla, Liverpool, Maribor

Group F: Shakhtar Donetsk, Manchester City, Napoli, Feyenoord

Group G: Monaco, Porto, Besiktas, RB Leipzig

Group H: Real Madrid, Borussia Dortmund, Tottenham, Apoel

Match day one: 12-13 September

Match day two: 26-27 September

Match day three: 17-18 October

Match day four: 31 October-1 November

Match day five: 21-22 November

Match day six: 5-6 December