Tuesday 14th September
Group E
FC Dynamo Kyiv v SL Benfica
Referee: Anthony Taylor (ENG)
Assistant Referees: Gary Beswick and Adam Nunn (ENG)
Fourth Official: Craig Pawson (ENG)
Video Assistant Referee: Christopher Kavanagh (ENG)
Assistant Video Assistant Referee: Jarred Gillett (AUS)
FC Barcelona v FC Bayern München
Referee: Michael Oliver (ENG)
Assistant Referees: Stuart Burt and Simon Bennett (ENG)
Fourth Official: Darren England (ENG)
Video Assistant Referee: Stuart Attwell (ENG)
Assistant Video Assistant Referee: Paul Tierney (ENG)
Group F
BSC Young Boys v Manchester United
Referee: François Letexier (FRA)
Assistant Referees: Cyril Mugnier and Mehdi Rahmouni (FRA)
Fourth Official: Thomas Leonard (FRA)
Video Assistant Referee: Willy Delajod (FRA)
Assistant Video Assistant Referee: Massimiliano Irrati (ITA)
Villarreal CF v Atalanta BC
Referee: Clément Turpin (FRA)
Assistant Referees: Nicolas Danos and Cyril Gringore (FRA)
Fourth Official: Jérémie Pignard (FRA)
Video Assistant Referee: Jérôme Brisard (FRA)
Assistant Video Assistant Referee: Stéphanie Frappart (FRA)
Group G
Sevilla FC v FC Salzburg
Referee: Aleksei Kulbakov (BLR)
Assistant Referees: Dmitri Zhuk and Oleg Maslyanko (BLR)
Fourth Official: Denis Scherbakov (BLR)
Video Assistant Referee: Bastian Dankert (GER)
Assistant Video Assistant Referee: Tomasz Kwiatkowski (POL)
LOSC Lille v VFL Wolfsburg
Referee: Danny Makkelie (NED)
Assistant Referees: Hessel Streegstra and Jan de Vries (NED)
Fourth Official: Allard Lindhout (NED)
Video Assistant Referee: Kevin Blom (NED)
Assistant Video Assistant Referee: Pol van Boekel (NED)
Group H
Malmö FF v Juventus
Referee: Artur Manuel Ribeiro Soares Dias (POR)
Assistant Referees: Rui Licinio Barbosa Tavares and Paulo Alexandre Soares Santos (POR)
Fourth Official: Miguel Hugo Filipe Ferreira C. Moreira (POR)
Video Assistant Referee: João Pedro da Silva Pinheiro (POR)
Assistant Video Assistant Referee: Luís Miguel Branco Godinho (POR)
Chelsea FC v Football Club Zenit
Referee: Bartosz Frankowski (POL)
Assistant Referees: Marcin Boniek and Jakub Winkler (POL)
Fourth Official: Krzysztof Jakubik (POL)
Video Assistant Referee: Marco Fritz (GER)
Assistant Video Assistant Referee: Marco Di Bello (ITA)
Wednesday 15th September
Group A
Club Brugge v Paris Saint-Germain
Referee: Sandro Schärer (SUI)
Assistant Referees: Stéphane de Almeida and Bekim Zogaj (SUI)
Fourth Official: Fedayi San (SUI)
Video Assistant Referee: Massimiliano Irrati (ITA)
Assistant Video Assistant Referee: Stuart Attwell (ENG)
Manchester City v RB Leipzig
Referee: Serdar Gözübüyük (NED)
Assistant Referees: Joost van Zuilen and Johan Balder (NED)
Fourth Official: Jeroen Manschot (NED)
Video Assistant Referee: Pol van Boekel (NED)
Assistant Video Assistant Referee: Stéphanie Frappart (FRA)
Group B
Club Atlético de Madrid v FC Porto
Referee: Ovidiu Hațegan (ROU)
Assistant Referees: Radu Ghinguleac and Sebastian Gheorghe (ROU)
Fourth Official: Radu Petrescu (ROU)
Video Assistant Referee: Marco Di Bello (ITA)
Assistant Video Assistant Referee: Jérôme Brisard (FRA)
Liverpool FC v AC Milan
Referee: Szymon Marciniak (POL)
Assistant Referees: Pawel Sokolnicki and Tomasz Listkiewicz (POL)
Fourth Official: Tomasz Musial (POL)
Video Assistant Referee: Tomasz Kwiatkowski (POL)
Assistant Video Assistant Referee: Bastian Dankert (GER)
Group C
Beşiktaş JK v Borussia Dortmund
Referee: Antonio Miguel Mateu Lahoz (ESP)
Assistant Referees: Pau Cebrián Devis and Roberto Díaz Pérez Del Palomar (ESP)
Fourth Official: Javier Alberola Rojas (ESP)
Video Assistant Referee: Juan Martínez Munuera (ESP)
Assistant Video Assistant Referee: Ricardo De Burgos Bengoechea (ESP)
Sporting Clube de Portugal v AFC Ajax
Referee: José María Sánchez Martínez (ESP)
Assistant Referees: Raúl Cabañero Martínez and Iñigo Prieto López de Ceraín (ESP)
Fourth Official: César Soto Grado (ESP)
Video Assistant Referee: Alejandro José Hernández Hernández (ESP)
Assistant Video Assistant Referee: Guillermo Cuadra Fernández (ESP)
Group D
FC Sheriff Tiraspol v FC Shakhtar Donetsk
Referee: Deniz Aytekin (GER)
Assistant Referees: Christian Dietz and Stefan Lupp (GER)
Fourth Official: Martin Petersen (GER)
Video Assistant Referee: Christian Dingert (GER)
Assistant Video Assistant Referee: Markus Sinn (GER)
FC Internazionale Milano v Real Madrid CF
Referee: Daniel Siebert (GER)
Assistant Referees: Rafael Foltyn and Christian Gittelmann (GER)
Fourth Official: Daniel Schlager (GER)
Video Assistant Referee: Marco Fritz (GER)
Assistant Video Assistant Referee: Harm Osmers (GER)