10-11 December 2019Salzburg – Liverpool
Referee: Fran Jovic (CRO, photo)
Assistant Referee 1: Hrvoje Radić (CRO)
Assistant Referee 2: Luka Pušic (CRO)
Fourth Official: Stefan Ebner (AUT)
Referee Observer: Thomas Einwaller (AUT)
SSC Napoli – Genk
Referee: Zbynek Proske (CZE)
Assistant Referee 1: Radek Kotik (CZE)
Assistant Referee 2: Radim Dresler (CZE)
Fourth Official: Francesco Fourneau (ITA)
Referee Observer: Matteo Trefoloni (ITA)
Inter Milano – FC Barcelona
Referee: Enea Jorgji (ALB)
Assistant Referee 1: Denis Rexha (ALB)
Assistant Referee 2: Dojando Myftari (ALB)
Fourth Official: Eugenio Abbattista (ITA)
Referee Observer: Domenico Messina (ITA)
Borussia Dortmund – Slavia Praha
Referee: Vilhjalmur Thorarinsson (ISL)
Assistant Referee 1: Gylfi Sigurdsson (ISL)
Assistant Referee 2: Birkir Sigurdarson (ISL)
Fourth Official: Thorben Siewer (GER)
Referee Observer: Claus Bo Larsen (DEN)
Benfica – Zenit
Referee: Matthew De Gabriele (MLT)
Assistant Referee 1: Edward Spiteri (MLT)
Assistant Referee 2: Duncan Spencer (MLT)
Fourth Official: Joao Pinto (POR)
Referee Observer: Nuno Castro (POR)
Lyon – Leipzig
Referee: Luis Teixeira (AND)
Assistant Referee 1: Bruno Parente (AND)
Assistant Referee 2: Jose Machado (AND)
Fourth Official: Jérémie Pignard (FRA)
Referee Observer: Bernardino Gonzalez Vazquez (ESP)
AFC Ajax – Valencia CF
Referee: Giorgi Kruashvili (GEO)
Assistant Referee 1: David Chigogidze (GEO)
Assistant Referee 2: Levan Todria (GEO)
Fourth Official: Jeroen Manschot (NED)
Referee Observer: Hans Reijgwart (NED)
Chelsea – LOSC Lille
Referee: Robert Harvey (IRL)
Assistant Referee 1: Wayne McDonnell (IRL)
Assistant Referee 2: Mark Gavin (IRL)
Fourth Official: John Busby (ENG)
Referee Observer: Brian Lawlor (WAL)
Club Brugge – Real Madrid
Referee: Mohammed Al-Hakim (SWE)
Assistant Referee 1: Andreas Söderqvist (SWE)
Assistant Referee 2: Robin Wilde (SWE)
Fourth Official: Kevin Debeuckelaere (BEL)
Referee Observer: Karel Vidlak (CZE)
Paris St. Germain – Galatasaray
Referee: Helgi Jónasson (ISL)
Assistant referee 1: Johann Gudmundsson (ISL)
Assistant Referee 2: Thórdur Árnason (ISL)
Fourth Official: Thomas Leonard (FRA)
Referee Observer: Freddy Fautrel (FRA)
Olympiacos – Crvena Zvezda
Referee: Krzysztof Jakubik (POL)
Assistant Referee 1: Arkadiusz Wójcik (POL)
Assistant Referee 2: Bartosz Heinig (POL)
Fourth Official: Petros Tsagkarakis (GRE)
Referee Observer: Georgios Bikas (GRE)
Bayern Munchen – Tottenham Hotspur
Referee: Lawrence Visser (BEL)
Assistant Referee 1: Rien Vanyzere (BEL)
Assistant Referee 2: Jo de Weirdt (BEL)
Fourth Official: Florian Badstübner (GER)
Referee Observer: Peter Sippel (GER)
Shakhtar Donetsk – Atalanta BC
Referee: Rade Obrenović (SVN)
Assistant Referee 1: Tomislav Pospeh (SVN)
Assistant Referee 2: David Gabrovec (SVN)
Fourth Official: Dmytro Kryvushkin (UKR)
Referee Observer: Viktor Shvetsov (UKR)
Dinamo Zagreb – Manchester City
Referee: Georgios Kominis (GRE)
Assistant Referee 1: Reinhart Buxbaoum (GRE)
Assistant Referee 2: Andreas Meintanas (GRE)
Fourth Official: Ivan Vučković (CRO)
Referee Observer: Igor Pristovnik (CRO)
Atlético de Madrid – Lokomotiv Moskva
Referee: Loukas Sotiriou (CYP)
Assistant Referee 1: Marios Kalogirou (CYP)
Assistant Referee 2: Marios Dimitriadis (CYP)
Fourth Official: Manuel Pérez Hernández (ESP)
Referee Observer: Chato Cipres (AND)
Bayer Leverkusen – Juventus
Referee: Admir Sehovic (BIH)
Assistant Referee 1: Amer Macić (BIH)
Assistant Referee 2: Goran Dujak (BIH)
Fourth Official: Sven Waschitzki (GER)
Referee Observer: Luc Wouters (BEL)