Juventus FC – Stade Rennais
Referee: Morten Krogh DEN (photo)
Assistant Referee 1: Victor Skytte DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Jacob Karlsen DEN
VAR: Benjamin Brand GER
AVAR: Stuart Attwell ENG
Referee Observer: Stefan Messner AUT
Ferencvarosi TC – SCU Torreense
Referee: Jérôme Brisard FRA
Assistant Referee 1: Alexis Auger FRA
Assistant Referee 2: Aurélien Berthomieu FRA
Fourth Official: Éric Wattellier FRA
VAR: Mathieu Vernice FRA
AVAR: Nicolas Rainville FRA
Referee Observer: Hannes Kaasik EST
Union St. Gilloise – Hapoel Beer Sheva
Referee: Mykola Balakin UKR
Assistant Referee 1: Oleksandr Berkut UKR
Assistant Referee 2: Viktor Matyash UKR
Fourth Official: Dmytro Panchyshyn UKR
VAR: Michael Fabbri ITA
AVAR: Viktor Kopiyevskyy UKR
Referee Observer: Goran Mihaljević MNE
GNK Dinamo – NEC Nijmegen
Referee: Manfredas Lukjančukas LTU
Assistant Referee 1: Mangirdas Mirauskas LTU
Assistant Referee 2: Aleksandras Stepanovas LTU
Fourth Official: Vilius Paulauskas LTU
VAR: Manuel Schüttengruber AUT
AVAR: Orestas Abramavičius LTU
Referee Observer: Pascal Garibian FRA
Sturm Graz – Olympique de Marseille
Referee: Nenad Minaković SRB
Assistant Referee 1: Nikola Borović SRB
Assistant Referee 2: Boško Božović SRB
Fourth Official: Danilo Nikolić SRB
VAR: Ivan Bebek CRO
AVAR: Matej Jug SVN
Referee Observer: Luis Medina Cantalejo ESP
Lech Poznan – Sunderland AFC
Referee: Balázs Berke HUN
Assistant Referee 1: Balázs Buzás HUN
Assistant Referee 2: Balázs Szert HUN
Fourth Official: Gergő Bogár HUN
VAR: Tamás Bognár HUN
AVAR: Katalin Kulcsár HUN
Referee Observer: René Temmink NED
OFI Crete – Bayer Leverkusen
Referee: Oleksiy Derevinskyy UKR
Assistant Referee 1: Oleksiy Myronov UKR
Assistant Referee 2: Svitlana Hrushko UKR
Fourth Official: Klym Zabroda UKR
VAR: Denys Shurman UKR
AVAR: Lukas Fähndrich SUI
Referee Observer: Jan Wegereef NED
Ararat Armenia – AZ Alkmaar
Referee: Patrik Kolarić CRO
Assistant Referee 1: Luka Pajić CRO
Assistant Referee 2: Ivan Starčević CRO
Fourth Official: Ivan Vukančić CRO
VAR: Fran Jović CRO
AVAR:: Tihomir Pejin CRO
Referee Observer: Kóstas Kapitanís CYP
Olympiacos Pireus – Sparta Praha
Referee: Espen Eskas NOR
Assistant Referee 1: Jan Engan NOR
Assistant Referee 2: Alf Rossland NOR
Fourth Official: Rohit Saggi NOR
VAR: Luca Pairetto ITA
AVAR: Marius Lien NOR
Referee Observer: Lutz-Michael Fröhlich GER
Viktoria Plzen – Levski Sofia
Referee: Alejandro Hernández Hernández ESP
Assistant Referee 1: José Naranjo Pérez ESP
Assistant Referee 2: Diego Sánchez Rojo ESP
Fourth Official: José Luis Munuera Montero ESP
VAR: Javier Iglesias Villanueva ESP
AVAR: Alejandro Muñiz Ruiz ESP
Referee Observer: Alain Sars FRA
Celtic FC – Celta de Vigo
Referee: Georgi Kabakov BUL
Assistant Referee 1: Martin Margaritov BUL
Assistant Referee 2: Martin Venev BUL
Fourth Official: Nikola Popov BUL
VAR: Sören Storks GER
AVAR: Robert Schröder GER
Referee Observer: Alfredo Trentalange ITA
AFC Bournemouth – AC Milan
Referee: Vasílios Fotiás GRE
Assistant Referee 1: Andréas Meindanás GRE
Assistant Referee 2: Michaíl Papadákis GRE
Fourth Official: Aléxandros Tsakalídis GRE
VAR: Dennis Higler NED
AVAR: Alan Kijas AUT
Referee Observer: Paweł Gil POL
NK Celje – FC Salzburg
Referee: John Brooks ENG
Assistant Referee 1: Daniel Cook ENG
Assistant Referee 2: Akil Howson ENG
Fourth Official: Andrew Madley ENG
VAR: Darren England ENG
AVAR: Matthew Donohue ENG
Referee Observer: Domagoj Vučkov CRO
Jagiellonia Bialystok – RSC Anderlecht
Referee: Ondřej Berka CZE
Assistant Referee 1: Matěj Vlček CZE
Assistant Referee 2: Kamil Hájek CZE
Fourth Official: Ondřej Pechanec CZE
VAR: Aleandro Di Paolo ITA
AVAR: Miroslav Zelinka CZE
Referee Observer: Andreas Schluchter SUI
Omonia Nicosia – SL Benfica
Referee: Jasper Vergoote BEL
Assistant Referee 1: Michele Seeldraeyers BEL
Assistant Referee 2: Martijn Tiesters BEL
Fourth Official: Kevin Van Damme BEL
VAR: Gianluca Aureliano ITA
AVAR: Bert Put BEL
Referee Observer: Boško Jovanetić SRB
TSG Hoffenheim – Olympique Lyonnais
Referee: Halil Meler TUR
Assistant Referee 1: Abdullah Özkara TUR
Assistant Referee 2: Bersan Duran TUR
Fourth Official: Cihan Aydın TUR
VAR: Fedayi San SUI
AVAR: Tomasz Kwiatkowski POL
Referee Observer: Petteri Kari FIN
Besiktas – Crystal Palace
Referee: Danny Makkelie NED
Assistant Referee 1: Hessel Steegstra NED
Assistant Referee 2: Jan de Vries NED
Fourth Official: Martijn Vos NED
VAR: Jeroen Manschot NED
AVAR: Stan Teuben NED
Referee Observer: Nuno Castro POR
Lillestrom SK – Real Sociedad
Referee: Mohammad Al-Emara FIN
Assistant Referee 1: Turkka Valjakka FIN
Assistant Referee 2: Mika Lamppu FIN
Fourth Official: Peiman Simani FIN
VAR: Tiago Martins POR
AVAR: André Narciso POR
Referee Observer: William Collum SCO
