SSC Napoli – Eintracht Frankfurt
Referee: João Pinheiro POR (photo)
Assistant Referee 1: Bruno Jesus POR
Assistant Referee 2: Luciano Maia POR
Fourth Official: Fabio Verissimo POR
VAR: Tiago Martins POR
AVAR: André Narciso POR
Referee Observer: David Fernández Borbalán ESP
Slavia Praha – Arsenal FC
Referee: Aliyar Aghayev AZE
Assistant Referee 1: Zeynal Zeynalov AZE
Assistant Referee 2: Akif Amirali AZE
Fourth Official: Elçin Masiyev AZE
VAR: Rob Dieperink NED
AVAR: Jeroen Manschot NED
Referee Observer: Lucílio Batista POR
Paris St. Germain – Bayern Munchen
Referee: Maurizio Mariani ITA
Assistant Referee 1: Stefano Alassio ITA
Assistant Referee 2: Alberto Tegoni ITA
Fourth Official: Matteo Marcenaro ITA
VAR: Marco Di Bello ITA
AVAR: Aleandro Di Paolo ITA
Referee Observer: Vladimir Šajn SVN
Liverpool FC – Real Madrid
Referee: István Kovács ROU
Assistant Referee 1: Mihai Marica ROU
Assistant Referee 2: Ferencz Tunyogi ROU
Fourth Official: Marcel Birsan ROU
VAR: Bastian Dankert GER
AVAR: Fedayi San SUI
Referee Observer: Viktor Kassai HUN
Atletico de Madrid – Union St. Gilloise
Referee: Espen Eskas NOR
Assistant Referee 1: Jan Engan NOR
Assistant Referee 2: Isaak Bashevkin NOR
Fourth Official: Sigurd Kringstad NOR
VAR: Pol van Boekel NED
AVAR: Stuart Attwell ENG
Referee Observer: Drago Kos SVN
Juventus FC – Sporting CP
Referee: Daniel Siebert GER
Assistant Referee 1: Jan Seidel GER
Assistant Referee 2: Rafael Foltyn GER
Fourth Official: Timo Gerach GER
VAR: Christian Dingert GER
AVAR: Andrew Dallas SCO
Referee Observer: David Malcolm NIR
Tottenham Hotspur – FC Copenhagen
Referee: Erik Lambrechts BEL
Assistant Referee 1: Jo de Weirdt BEL
Assistant Referee 2: Kevin Monteny BEL
Fourth Official: Nathan Verboomen BEL
VAR: Bram Van Driessche BEL
AVAR: Angelos Evangelou GRE
Referee Observer: Carlos Velasco Carballo ESP
Olympiacos SFP – PSV Eindhoven
Referee: Clément Turpin FRA
Assistant Referee 1: Nicolas Danos FRA
Assistant Referee 2: Benjamin Pages FRA
Fourth Official: Ruddy Buquet FRA
VAR: Jérôme Brisard FRA
AVAR: Nicolas Rainville FRA
Referee Observer: Levan Paniashvili GEO
Bodo Glimt – AS Monaco
Referee: Damian Sylwestrzak POL
Assistant Referee 1: Pawel Sokolnicki POL
Assistant Referee 2: Adam Karasewicz POL
Fourth Official: Marcin Kochanek POL
VAR: Piotr Lasyk POL
AVAR: Tomasz Kwiatkowski POL
Referee Observer: Juan Fernández Marín ESP
Referee: João Pinheiro POR (photo)
Assistant Referee 1: Bruno Jesus POR
Assistant Referee 2: Luciano Maia POR
Fourth Official: Fabio Verissimo POR
VAR: Tiago Martins POR
AVAR: André Narciso POR
Referee Observer: David Fernández Borbalán ESP
Slavia Praha – Arsenal FC
Referee: Aliyar Aghayev AZE
Assistant Referee 1: Zeynal Zeynalov AZE
Assistant Referee 2: Akif Amirali AZE
Fourth Official: Elçin Masiyev AZE
VAR: Rob Dieperink NED
AVAR: Jeroen Manschot NED
Referee Observer: Lucílio Batista POR
Paris St. Germain – Bayern Munchen
Referee: Maurizio Mariani ITA
Assistant Referee 1: Stefano Alassio ITA
Assistant Referee 2: Alberto Tegoni ITA
Fourth Official: Matteo Marcenaro ITA
VAR: Marco Di Bello ITA
AVAR: Aleandro Di Paolo ITA
Referee Observer: Vladimir Šajn SVN
Liverpool FC – Real Madrid
Referee: István Kovács ROU
Assistant Referee 1: Mihai Marica ROU
Assistant Referee 2: Ferencz Tunyogi ROU
Fourth Official: Marcel Birsan ROU
VAR: Bastian Dankert GER
AVAR: Fedayi San SUI
Referee Observer: Viktor Kassai HUN
Atletico de Madrid – Union St. Gilloise
Referee: Espen Eskas NOR
Assistant Referee 1: Jan Engan NOR
Assistant Referee 2: Isaak Bashevkin NOR
Fourth Official: Sigurd Kringstad NOR
VAR: Pol van Boekel NED
AVAR: Stuart Attwell ENG
Referee Observer: Drago Kos SVN
Juventus FC – Sporting CP
Referee: Daniel Siebert GER
Assistant Referee 1: Jan Seidel GER
Assistant Referee 2: Rafael Foltyn GER
Fourth Official: Timo Gerach GER
VAR: Christian Dingert GER
AVAR: Andrew Dallas SCO
Referee Observer: David Malcolm NIR
Tottenham Hotspur – FC Copenhagen
Referee: Erik Lambrechts BEL
Assistant Referee 1: Jo de Weirdt BEL
Assistant Referee 2: Kevin Monteny BEL
Fourth Official: Nathan Verboomen BEL
VAR: Bram Van Driessche BEL
AVAR: Angelos Evangelou GRE
Referee Observer: Carlos Velasco Carballo ESP
Olympiacos SFP – PSV Eindhoven
Referee: Clément Turpin FRA
Assistant Referee 1: Nicolas Danos FRA
Assistant Referee 2: Benjamin Pages FRA
Fourth Official: Ruddy Buquet FRA
VAR: Jérôme Brisard FRA
AVAR: Nicolas Rainville FRA
Referee Observer: Levan Paniashvili GEO
Bodo Glimt – AS Monaco
Referee: Damian Sylwestrzak POL
Assistant Referee 1: Pawel Sokolnicki POL
Assistant Referee 2: Adam Karasewicz POL
Fourth Official: Marcin Kochanek POL
VAR: Piotr Lasyk POL
AVAR: Tomasz Kwiatkowski POL
Referee Observer: Juan Fernández Marín ESP