Red Bull Salzburg – Go Ahead Eagles
Referee: Giorgi Kruashvili GEO (photo)
Assistant Referee 1: Levan Varamishvili GEO
Assistant Referee 2: Giorgi Elikashvili GEO
Fourth Official: Aleko Aptsiauri GEO
VAR: Tiago Martins POR
AVAR: André Narciso POR
Referee Observer: Sokol Jareci ALB
GNK Dinamo – Celta de Vigo
Referee: Anastásios Papapétrou GRE
Assistant Referee 1: Trýfon Petrópoulos GRE
Assistant Referee 2: Iordánis Aptósoglou GRE
Fourth Official: Konstandínos Katíkos GRE
VAR: Athanásios Tzílos GRE
AVAR: Spyrídon Zambalás GRE
Referee Observer: Dejan Filipović SRB
Crvena Zvezda – LOSC Lille
Referee: John Brooks ENG
Assistant Referee 1: Simon Bennett ENG
Assistant Referee 2: Lee Betts ENG
Fourth Official: Thomas Bramall ENG
VAR: Michael Salisbury ENG
AVAR: Peter Bankes ENG
Referee Observer: Martin Hansson SWE
FC Basel – FCSB
Referee: Juxhin Xhaja ALB
Assistant Referee 1: Arbër Zalla ALB
Assistant Referee 2: Rejdi Avdo ALB
Fourth Official: Olsion Yzeiraj ALB
VAR: Michael Fabbri ITA
AVAR: Kreshnik Bajramaj ALB
Referee Observer: Darko Čeferin SVN
FC Midtjylland – Celtic FC
Referee: Nenad Minaković SRB
Assistant Referee 1: Nikola Borović SRB
Assistant Referee 2: Boško Božović SRB
Fourth Official: Milan Mitić SRB
VAR: Ivan Bebek CRO
AVAR: Aleksandar Živković SRB
Referee Observer: Frank De Bleeckere BEL
Sturm Graz – Nottingham Forrest
Referee: Mykola Balakin UKR
Assistant Referee 1: Oleksandr Berkut UKR
Assistant Referee 2: Volodymyr Vysotsʹkyy UKR
Fourth Official: Vitaliy Romanov UKR
VAR: Robert Schröder GER
AVAR: Dmytro Panchyshyn UKR
Referee Observer: Martin Ingvarsson SWE
OGC Nice – SC Freiburg
Referee: Anastásios Sidirópoulos GRE
Assistant Referee 1: Polychrónis Kostarás GRE
Assistant Referee 2: Lázaros Dimitriádis GRE
Fourth Official: Fótios Polychrónis GRE
VAR: Ángelos Evangélou GRE
AVAR: Guillermo Cuadra Fernández ESP
Referee Observer: Iain Robertson Brines SCO
Malmo FF – Panathinaikos
Referee: Nicholas Walsh SCO
Assistant Referee 1: Francis Connor SCO
Assistant Referee 2: Daniel McFarlane SCO
Fourth Official: Christopher Graham SCO
VAR: Kevin Clancy SCO
AVAR: Steven McLean SCO
Referee Observer: Ichko Lozev BUL
FC Utrecht – FC Porto
Referee: John Beaton SCO
Assistant Referee 1: David McGeachie SCO
Assistant Referee 2: Graeme Stewart SCO
Fourth Official: Calum Scott SCO
VAR: Andrew Dallas SCO
AVAR: Stuart Attwell ENG
Referee Observer: László Vágner HUN
Rangers FC – AS Roma
Referee: Morten Krogh DEN
Assistant Referee 1: Dennis Rasmussen DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Mads-Kristoffer Kristoffersen DEN
VAR: Bram Van Driessche BEL
AVAR: Willy Delajod FRA
Referee Observer: Paweł Gil POL
Real Betis – Olympique Lyonnais
Referee: Matej Jug SVN
Assistant Referee 1: Matej Žunič SVN
Assistant Referee 2: Manuel Vidali SVN
Fourth Official: Alen Bubek SVN
VAR: Alen Borošak SVN
AVAR: Dragoslav Perič SVN
Referee Observer: Cyril Zimmermann SUI
Aston Villa – Maccabi Tel Aviv
Referee: Julian Weinberger AUT
Assistant Referee 1: Andreas Heidenreich AUT
Assistant Referee 2: Maximilian Kolbitsch AUT
Fourth Official: Alexander Harkam AUT
VAR: Alan Kijas AUT
AVAR: Christian Dingert GER
Referee Observer: Michal Beneš CZE
SC Braga – KRC Genk
Referee: Balázs Berke HUN
Assistant Referee 1: Vencel Tóth HUN
Assistant Referee 2: Péter Kóbor HUN
Fourth Official: Gergő Bogár HUN
VAR: Piotr Lasyk POL
AVAR: Tomasz Kwiatkowski POL
Referee Observer: Jon Eilif Skjervold NOR
PAOK Salonic – BSC Young Boys
Referee: Srdjan Jovanović SRB
Assistant Referee 1: Uroš Stojković SRB
Assistant Referee 2: Milan Mihajlović SRB
Fourth Official: Novak Simović SRB
VAR: Momčilo Marković SRB
AVAR: Ovidiu Hațegan ROU
Referee Observer: Hugh Dallas SCO
Viktoria Plzen – Fenerbahce
Referee: Allard Lindhout NED
Assistant Referee 1: Rogier Honig NED
Assistant Referee 2: Johan Balder NED
Fourth Official: Jannick van der Laan NED
VAR: Dennis Higler NED
AVAR: Richard Martens NED
Referee Observer: Marián Ružbarsky SVK
Ferencvarosi TC – PFK Ludogorets
Referee: Mohammed Al-Hakim SWE
Assistant Referee 1: Mehmet Culum SWE
Assistant Referee 2: Fredrik Klyver SWE
Fourth Official: Granit Maqedonci SWE
VAR: Paweł Malec POL
AVAR: Kornel Paszkiewicz POL
Referee Observer: Petteri Kari FIN
Bologna FC – SK Brann
Referee: Daniel Schlager GER
Assistant Referee 1: Christof Günsch GER
Assistant Referee 2: Marco Achmüller GER
Fourth Official: Martin Petersen GER
VAR: Bastian Dankert GER
AVAR: Fedayi San SUI
Referee Observer: Augustus Constantin ROU
VfB Stuttgart – Feyenoord Rotterdam
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: Marco Di Bello ITA
Referee Observer: Domagoj Vučkov CRO