LASK Linz – Union St. Gilloise
Referee: Simone Sozza ITA (photo)
Assistant Referee 1: Giovanni Baccini ITA
Assistant Referee 2: Marco Bresmes ITA
Fourth Official: Matteo Marchetti ITA
VAR: Valerio Marini ITA
AVAR: Gianluca Aureliano ITA
Referee Observer: Pascal Garibian FRA
AFC Ajax – Brighton & Hove Albion
Referee: Nikola Dabanović MNE
Assistant Referee 1: Vladan Todorović MNE
Assistant Referee 2: Srdjan Jovanović MNE
Fourth Official: Miloš Bošković MNE
VAR: Bastian Dankert GER
AVAR: Carlos Del Cerro Grande ESP
Referee Observer: Alain Sars FRA
Toulouse FC – Liverpool FC
Referee: Georgi Kabakov BUL
Assistant Referee 1: Martin Margaritov BUL
Assistant Referee 2: Diyan Valkov BUL
Fourth Official: Nikola Popov BUL
VAR: Dragomir Draganov BUL
AVAR: Georgi Dimitrov BUL
Referee Observer: Pawel Gil POL
Stade Rennais – Panathinaikos
Referee: William Collum SCO
Assistant Referee 1: Francis Connoer SCO
Assistant Referee 2: David McGeachie SCO
Fourth Official: David Dickinson SCO
VAR: Nicholas Walsh SCO
AVAR: Kevin Clancy SCO
Referee Observer: Ichko Lozev BUL
Maccabi Haifa – Villarreal CF
Referee: Mykola Balakin UKR
Assistant Referee 1: Dmytro Zaporozhenko UKR
Assistant Referee 2: Oleksandr Berkut UKR
Fourth Official: Vitaliy Romanov UKR
VAR: Pol van Boekel NED
AVAR: Jeroen Manschot NED
Referee Observer: Martin Ingvarsson SWE
Servette FC – Sheriff Tiraspol
Referee: Manfredas Lukjancukas LTU
Assistant Referee 1: Mangirdas Mirauskas LTU
Assistant Referee 2: Vytenis Kazlauskas LTU
Fourth Official: Orestas Abramavicius LTU
VAR: Clay Ruperti NED
AVAR: Erwin Blank NED
Referee Observer: Gerard Perry IRL
Slavia Praha – AS Roma
Referee: Francois Letexier FRA
Assistant Referee 1: Cyril Mugnier FRA
Assistant Referee 2: Mehdi Rahmouni FRA
Fourth Official: Florent Batta FRA
VAR: Nejc Kajtazović SVN
AVAR: Benoît Bastien FRA
Referee Observer: Jon Skjervold NOR
Qarabag FK – Bayer Leverkusen
Referee: Craig Pawson ENG
Assistant Referee 1: Simon Bennett ENG
Assistant Referee 2: Lee Betts ENG
Fourth Official: John Brooks ENG
VAR: Jarred Gillett ENG
AVAR: Michael Salisbury ENG
Referee Observer: Gylfi Orrason ISL
SC Freiburg – TSC Bačka Topola
Referee: Rohit Saggi NOR
Assistant Referee 1: Morten Jensen NOR
Assistant Referee 2: Anders Dale NOR
Fourth Official: Kai Steen NOR
VAR: Massimiliano Irrati ITA
AVAR: Paolo Valeri ITA
Referee Observer: Karen Nalbandyan ARM
West Ham United – Olympiakos
Referee: Matej Jug SVN
Assistant Referee 1: Matej Žunič SVN
Assistant Referee 2: Manuel Vidali SVN
Fourth Official: Asmir Sagrković SVN
VAR: Christian Dingert GER
AVAR: Ivan Bebek CRO
Referee Observer: Kenneth Clark SCO
AEK Athens – Olympique de Marseille
Referee: Glenn Nyberg SWE
Assistant Referee 1: Mahbod Beigi SWE
Assistant Referee 2: Andreas Söderqvist SWE
Fourth Official: Joakim Östling SWE
VAR: Guillermo Cuadra Fernandez ESP
AVAR: Cesar Soto Grado ESP
Referee Observer: Viktor Kassai HUN
Real Betis – Aris Limassol
Referee: Mohamed Al Hakim SWE
Assistant Referee 1: Fredrik Klyver SWE
Assistant Referee 2: Robin Wilde SWE
Fourth Official: Kristoffer Karlsson SWE
VAR: Benoît Millot FRA
AVAR: Tomasz Kwiatkowski POL
Referee Observer: Drago Kos SVN
Rangers FC – Sparta Praha
Referee: Davide Massa ITA
Assistant Referee 1: Filippo Meli ITA
Assistant Referee 2: Stefano Alassio ITA
Fourth Official: Antonio Giua ITA
VAR: Marco Di Bello ITA
AVAR: Luca Pairetto ITA
Referee Observer: David Malcolm NIR
Atalanta BC – Sturm Graz
Referee: Jerôme Brisard FRA
Assistant Referee 1: Alexis Auger FRA
Assistant Referee 2: Aurelien Berthomieu FRA
Fourth Official: Thomas Leonard FRA
VAR: Willy Delajod FRA
AVAR: Tiago Martins POR
Referee Observer: Sabri Çelik TUR
Sporting CP – Rakow Czestochowa
Referee: Enea Jorgji ALB
Assistant Referee 1: Denis Rexha ALB
Assistant Referee 2: Ridiger Cokaj ALB
Fourth Official: Florian Lata ALB
VAR: Juan Martinez Munuera ESP
AVAR: Dennis Higler NED
Referee Observer: Cüneyt Cakir TUR
BK Häcken – Molde FK
Referee: Donald Robertson SCO
Assistant Referee 1: David Roome SCO
Assistant Referee 2: Ross MacLeod SCO
Fourth Official: Grant Irvine SCO
VAR: Andrew Dallas SCO
AVAR: Greg Aitken SCO
Referee Observer: Murat Ilgaz TUR
