Olympique de Marseille – AFC Ajax
Referee: Simone Sozza ITA (photo)
Assistant Referee 1: Daniele Bindoni ITA
Assistant Referee 2: Alberto Tegoni ITA
Fourth Official: Andrea Colombo ITA
VAR: Massimiliano Irrati ITA
AVAR: Paolo Valeri ITA
Referee Observer: Vladimir Šajn SVN
SC Freiburg – Olympiacos
Referee: Irfan Peljto BIH
Assistant Referee 1: Senad Ibrišimbegović BIH
Assistant Referee 2: Davor Beljo BIH
Fourth Official: Miloš Gigović BIH
VAR: Ivan Bebek CRO
AVAR: Tomasz Kwiatkowski POL
Referee Observer: Levan Paniashvili GEO
TSC Bačka Topola – West Ham United
Referee: Allard Lindhout NED
Assistant Referee 1: Rogier Honig NED
Assistant Referee 2: Patrick Inia NED
Fourth Official: Jannick van der Laan NED
VAR: Clay Ruperti NED
AVAR: Edwin van de Graaf NED
Referee Observer: Robert Schörgenhofer AUT
AEK Athens – Brighton & Hove Albion
Referee: Sandro Schärer SUI
Assistant Referee 1: Bekim Zogaj SUI
Assistant Referee 2: Jonas Erni SUI
Fourth Official: Johannes von Mandach SUI
VAR: Lukas Fähndrich SUI
AVAR: Lionel Tschudi SUI
Referee Observer: Stefano Podeschi SMR
Sparta Praha – Real Betis
Referee: Nikola Dabanović MNE
Assistant Referee 1: Vladan Todorović MNE
Assistant Referee 2: Srdjan Jovanović MNE
Fourth Official: Miloš Bošković MNE
VAR: Mario Zebec CRO
AVAR: Igor Pajač CRO
Referee Observer: Martin Ingvarsson SWE
Atalanta BC – Sporting CP
Referee: Michael Oliver ENG
Assistant Referee 1: Stuart Burt ENG
Assistant Referee 2: Daniel Cook ENG
Fourth Official: Andrew Madley ENG
VAR: Stuart Attwell ENG
AVAR: Carlos Del Cerro Grande ESP
Referee Observer: Ichko Lozev BUL
Sturm Graz – Rakow Czestochowa
Referee: Filip Glova SVK
Assistant Referee 1: Daniel Polaček SVK
Assistant Referee 2: Peter Bednar SVK
Fourth Official: Boris Marhefka SVK
VAR: Michal Očenaš SVK
AVAR: Erik Gemzicky SVK
Referee Observer: Martin Atkinson ENG
Maccabi Haifa – Stade Rennais
Referee: Horațiu Feșnic ROU
Assistant Referee 1: Valentin Avram ROU
Assistant Referee 2: Alexandru Cerei ROU
Fourth Official: Rareș Vidican ROU
VAR: Cătălin Popa ROU
AVAR: Andrei Chivulete ROU
Referee Observer: Ferenc Szekely HUN
Rangers FC – Aris Limassol
Referee: Rohit Saggi NOR
Assistant Referee 1: Morten Jensen NOR
Assistant Referee 2: Anders Olav Dale NOR
Fourth Official: Kai Erik Steen NOR
VAR: Dennis Johan Higler NED
AVAR: Pol van Boekel NED
Referee Observer: Alain Hamer LUX
Liverpool FC – LASK Linz
Referee: Urs Schnyder SUI
Assistant Referee 1: Marco Zürcher SUI
Assistant Referee 2: Benjamin Zürcher SUI
Fourth Official: Sven Wolfensberger SUI
VAR: Marco Fritz GER
AVAR: Alejandro Hernandez Hernndez ESP
Referee Observer: Manuel Díaz Vega ESP
Toulouse FC – Union St. Gilloise
Referee: Matej Jug SVN
Assistant Referee 1: Matej Žunič SVN
Assistant Referee 2: Manuel Vidali SVN
Fourth Official: Martin Matoša SVN
VAR: Nejc Kajtazovič SVN
AVAR: Asmir Sagrkovič SVN
Referee Observer: Bernardino Gonzalez Vazquez ESP
Villarreal CF – Panathinaikos
Referee: Ivan Kružliak SVK
Assistant Referee 1: Jan Pozor SVK
Assistant Referee 2: Adam Jekkel SVK
Fourth Official: Peter Kralovič SVK
VAR: Bastian Dankert GER
AVAR: Alper Ulusoy TUR
Referee Observer: Howard Webb ENG
Servette FC – AS Roma
Referee: Daniel Stefański POL
Assistant Referee 1: Dawid Golis POL
Assistant Referee 2: Michał Obukowicz POL
Fourth Official: Wojciech Myć POL
VAR: Piotr Lasyk POL
AVAR: Pawel Pskit POL
Referee Observer: Hannes Kaasik EST
Sheriff Tiraspol – Slavia Praha
Referee: Christian Ciochirca AUT
Assistant Referee 1: Maximilian Weiss AUT
Assistant Referee 2: Michael Obritzberger AUT
Fourth Official: Sebastian Gishamer AUT
VAR: Alan Kijas AUT
AVAR: Josef Spurny AUT
Referee Observer: Frank De Bleeckere BEL
Molde FK – Qarabag FK
Referee: Erik Lambrechts BEL
Assistant Referee 1: Jo De Weirdt BEL
Assistant Referee 2: Kevin Monteny BEL
Fourth Official: Nathan Verboomen BEL
VAR: Benoît Millot FRA
AVAR: Jan Boterberg BEL
Referee Observer: Tomasz Mikulski POL
BK Häcken – Bayer Leverkusen
Referee: Julian Weinberger AUT
Assistant Referee 1: Andreas Heidenreich AUT
Assistant Referee 2: Maximilian Kolbitsch AUT
Fourth Official: Stefan Ebner AUT
VAR: Manuel Schüttengruber AUT
AVAR: Walter Altmann AUT
Referee Observer: Niklas Lidarenda FRO
