Galatasaray – Real Madrid
Referee: Horațiu Feșnic (ROU, photo)
Assistant Referee 1: Alexandru Cerei (ROU)
Assistant Referee 2: Valentin Avram (ROU)
Fourth Official: Can Cengiz (TUR)
Referee Observer: Erol Ersoy (TUR)
Shakhtar Donetsk – GNK Dinamo
Referee: Giorgi Kruashvili (GEO)
Assistant Referee 1: Zaza Menteshashvili (GEO)
Assistant Referee 2: Giorgi Elikashvili (GEO)
Fourth Official: Dmytro Kryvushkin (UKR)
Referee Observer: Volodymyr Petrov (UKR)
Juventus FC – Lokomotiv Moskva
Referee: Duje Strukan (CRO)
Assistant Referee 1: Mario Pepur (CRO)
Assistant Referee 2: Alen Jakšić (CRO)
Fourth Official: Davide Ghersini (ITA)
Referee Observer: Alfredo Trentalange (ITA)
Atlético de Madrid – Bayer Leverkusen
Referee: Alain Durieux (LUX)
Assistant Referee 1: Gilles Becker (LUX)
Assistant Referee 2: Daniel Da Costa (LUX)
Fourth Official: Manuel Pérez Hernández (ESP)
Referee Observer: Bernardino González Vázquez (ESP)
Club Brugge – Paris Saint Germain
Referee: Krzysztof Jakubik (POL)
Assistant Referee 1: Bartosz Heinig (POL)
Assistant Referee 2: Adam Kupsik (POL)
Fourth Official: Kevin Debeuckelaere (BEL)
Referee Observer: Frank De Bleeckere (BEL)
Tottenham Hotspur – Crvena Zvezda
Referee: Iwan Griffith (WAL)
Assistant Referee 1: Ashley Davis (WAL)
Assistant Referee 2: Connor Thomas (WAL)
Fourth Official: David Rock (ENG)
Referee Observer: Edward Foley (IRL)
Olympiakós FC – Bayern München
Referee: Marius Avram (ROU)
Assistant Referee 1: Vladimir Urzică (ROU)
Assistant Referee 2: Daniel Mitruți (ROU)
Fourth Official: Vasílios Fotiás (GRE)
Referee Observer: Juan Fernández Marín (ESP)
Manchester City – Atalanta BC
Referee: Miroslav Zelinka (CZE)
Assistant Referee 1: Petr Caletka (CZE)
Assistant Referee 2: Jan Paták (CZE)
Fourth Official: Anthony Backhouse (ENG)
Referee Observer: Iain Robertson Brines (SCO)
KRC Genk – Liverpool FC
Referee: Kristoffer Karlsson (SWE)
Assistant Referee 1: Joakim Nilsson (SWE)
Assistant Referee 2: Mikael Hallin (SWE)
Fourth Official: Ken Vermeiren (BEL)
Referee Observer: Karel Vidlák (CZE)
Slavia Praha – FC Barcelona
Referee: Donatas Rumšas (LTU)
Assistant Referee 1: Dovydas Sužiedėlis (LTU)
Assistant Referee 2: Gevork Arakelian (LTU)
Fourth Official: Ondřej Berka (CZE)
Referee Observer: Karel Bohuněk (CZE)
RB Leipzig – FC Zenit
Referee: Athanásios Tzílos (GRE)
Assistant Referee 1: Vasílios Nikolakákis (GRE)
Assistant Referee 2: Konstantínos Nikolaḯdis (GRE)
Fourth Official: Lasse Koslowski (GER)
Referee Observer: Helmut Fleischer (GER)
Lille OSC – Valencia CF
Referee: Vilhjálmur Thórarinsson (ISL)
Assistant Referee 1: Jóhann Gudmundsson (ISL)
Assistant Referee 2: Thórdur Árnason (ISL)
Fourth Official: Bastien Dechepy (FRA)
Referee Observer: Laurent Duhamel (FRA)
AFC Ajax – Chelsea FC
Referee: Adrien Jaccottet (SUI)
Assistant Referee 1: Vital Jobin (SUI)
Assistant Referee 2: Jonas Erni (SUI)
Fourth Official: Siemen Mulder (NED)
Referee Observer: Hans Reijgwart (NED)
Red Bull Salzburg – SSC Napoli
Referee: Aleksei Matyunin (RUS)
Assistant Referee 1: Aleksei Vorontsov (RUS)
Assistant Referee 2: Dmitri Safyan (RUS)
Fourth Official: Sebastian Gishamer (AUT)
Referee Observer: Stefan Messner (AUT)
Internazionale Milano – Borussia Dortmund
Referee: Danilo Grujić (SRB)
Assistant Referee 1: Miloš Karadžić (SRB)
Assistant Referee 2: Nikola Milosavljević (SRB)
Fourth Official: Lorenzo Illuzzi (ITA)
Referee Observer: Domenico Messina (ITA)
SL Benfica – Olympique Lyonnais
Referee: Alan Sant (MLT)
Assistant Referee 1: Roberto Vella (MLT)
Assistant Referee 2: Luke Portelli (MLT)
Fourth Official: João Pinto (POR)
Referee Observer: Lucílio Batista (POR)
