Sixth and last Matchday of 2023-24 UEFA Champions League group stage, first set of games to be played on Tuesday 12 December 2023.
18:45 CET - Lens (Stade Bollaert-Delelis)
RC Lens (FRA) - Sevilla FC (ESP) | Group B
Referee: Felix Zwayer GER
Assistant Referee 1: Stefan Lupp GER
Assistant Referee 2: Marco Achmüller GER
Fourth Official: Sven Jablonski GER
Video Assistant Referee: Bastian Dankert GER
Assistant Video Assistant Referee: Sören Storks GER
UEFA Referee Observer: Gylfi Þór Orrason ISL
UEFA Delegate: Maria Mifsud MLT
18:45 CET - Eindhoven (PSV Stadion)
PSV Eindhoven (NED) - Arsenal FC (ENG) | Group B
Referee: Tobias Stieler GER
Assistant Referee 1: Christian Gittelmann GER
Assistant Referee 2: Mark Borsch GER
Fourth Official: Martin Petersen GER
Video Assistant Referee: Christian Dingert GER
Assistant Video Assistant Referee: Tiago Martins POR
UEFA Referee Observer: Michael Tomas Ross NIR
UEFA Delegate: Aleksandra Pejkovska MKD
21:00 CET - Manchester (Old Trafford)
Manchester United FC (ENG) - FC Bayern München (GER) | Group A
Referee: Espen Eskås NOR
Assistant Referee 1: Jan Erik Engan NOR
Assistant Referee 2: Isaak Elias Bashevkin NOR
Fourth Official: Rohit Saggi NOR
Video Assistant Referee: Pol van Boekel NED
Assistant Video Assistant Referee: Clay Ruperti NED
UEFA Referee Observer: Juan Antonio Fernández Marín ESP
UEFA Delegate: Vito Di Gioia ITA
21:00 CET - Copenhagen (Parken)
FC København (DEN) - Galatsaray (TUR) | Group A
Referee: Daniele Orsato ITA
Assistant Referee 1: Ciro Carbone ITA
Assistant Referee 2: Alessandro Giallatini ITA
Fourth Official: Michael Fabbri ITA
Video Assistant Referee: Massimiliano Irrati ITA
Assistant Video Assistant Referee: Paolo Valeri ITA
UEFA Referee Observer: Michal Beneš CZE
UEFA Delegate: Arturs Gaidels LVA
21:00 CET - Naples (Stadio Diego Armando Maradona)
SSC Napoli (ITA) - SC Braga (POR) | Group C
Referee: Slavko Vinčić SVN
Assistant Referee 1: Tomaž Klančnik SVN
Assistant Referee 2: Andraž Kovačič SVN
Fourth Official: David Šmajc SVN
Video Assistant Referee: Nejc Kajtazovič SVN
Assistant Video Assistant Referee: Rob Dieperink NED
UEFA Referee Observer: Cyril Zimmermann SUI
UEFA Delegate: Rotem Kamer ISR
21:00 CET - Berlin (Olympiastadion)
1.FC Union Berlin (GER) - Real Madrid CF (ESP) | Group C
Referee: Rade Obrenovič SVN
Assistant Referee 1: Jure Praprotink SVN
Assistant Referee 2: Grega Kordež SVN
Fourth Official: Mate Jugn SVN
Video Assistant Referee: Stuart Attwell ENG
Assistant Video Assistant Referee: David Coote ENG
UEFA Referee Observer: Laurent Duhamel FRA
UEFA Delegate: Jenni Kennedy ENG
21:00 CET - Milan (Stadio Giuseppe Meazza)
FC Internazionale (ITA) - Real Sociedad de Fútbol (ESP) | Group D
Referee: Sandro Schärer SUI
Assistant Referee 1: Bekim Zogaj SUI
Assistant Referee 2: Jonas Erni SUI
Fourth Official: Lionel Tschudi SUI
Video Assistant Referee: Fedayi San SUI
Assistant Video Assistant Referee: Benoît Millot FRA
UEFA Referee Observer: Mehmet Murat Ilgaz TUR
UEFA Delegate: Philippe Prudhon FRA
21:00 CET - Salzburg (Stadion Salzburg)
FC Salzburg (AUT) - SL Benfica (POR) | Group D
Referee: Daniel Sebert GER
Assistant Referee 1: Jan Seidel GER
Assistant Referee 2: Rafael Foltyn GER
Fourth Official: Daniel Schlager GER
Video Assistant Referee: Marco Fritz GER
Assistant Video Assistant Referee: Dennis Johan Higler NED
UEFA Referee Observer: Emil Bozinovski MKD
UEFA Delegate: Styrbjörn Oskarsson FIN