Lazio – Ludogorets
Referee: Duje Strukan CRO (photo)
Assistant Referee 1: Bojan Zobenica CRO
Assistant Referee 2: Alen Jakšić CRO
Fourth Official: Mario Zebec CRO
VAR: Christian Dingert GER
AVAR: Fedayi San SUI
Referee Observer: John Ward IRL
AZ Alkmaar – Galatasaray
Referee: Horațiu Feșnic ROU
Assistant Referee 1: Valentin Avram ROU
Assistant Referee 2: Alexandru Cerei ROU
Fourth Official: Szabolcs Kovacs ROU
VAR: Cătălin Popa ROU
AVAR: Sebastian Colțescu ROU
Referee Observer: Lucílio Batista POR
Qarabag FK – Olympique Lyonnais
Referee: Nenad Minaković SRB
Assistant Referee 1: Nikola Borović SRB
Assistant Referee 2: Boško Božović SRB
Fourth Official: Milan Mitić SRB
VAR: Momčilo Marković SRB
AVAR: Novak Simović SRB
Referee Observer: Cüneyt Çakir TUR
Dynamo Kyiv – Viktoria Plzen
Referee: Luís Godinho POR
Assistant Referee 1: Rui Teixeira POR
Assistant Referee 2: Pedro Mota POR
Fourth Official: Ricardo Baixinho POR
VAR: Tiago Martins POR
AVAR: Jérôme Brisard FRA
Referee Observer: Karen Nalbandyan ARM
Athletic Bilbao – IF Elfsborg
Referee: Giorgi Kruashvili GEO
Assistant Referee 1: Levan Varamishvili GEO
Assistant Referee 2: Zaza Pipia GEO
Fourth Official: Irakli Kherkhadze GEO
VAR: Stuart Attwell ENG
AVAR: Aleko Aptsiauri GEO
Referee Observer: Stefan Messner AUT
RSC Anderlecht – FC Porto
Referee: Morten Krogh DEN
Assistant Referee 1: Dennis Rasmussen DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Mikkel Redder DEN
VAR: Luca Pairetto ITA
AVAR: Jonas Hansen DEN
Referee Observer: Ante Vučemilović CRO
Besiktas – Maccabi Tel Aviv
Referee: Simone Sozza ITA
Assistant Referee 1: Alberto Tegoni ITA
Assistant Referee 2: Giovanni Baccini ITA
Fourth Official: Andrea Colombo ITA
VAR: Daniele Chiffi ITA
AVAR: Paolo Mazzoleni ITA
Referee Observer: Stefan Johannesson SWE
FK RFS – PAOK
Referee: Julian Weinberger AUT
Assistant Referee 1: Andreas Heidenreich AUT
Assistant Referee 2: Maximilian Kolbitsch AUT
Fourth Official: Stefan Ebner AUT
VAR: Christian Ciochirca AUT
AVAR: Josef Spurny AUT
Referee Observer: David Malcolm NIR
Manchester United – Bodo Glimt
Referee: Lawrence Visser BEL
Assistant Referee 1: Rien Vanyzere BEL
Assistant Referee 2: Thibaud Nijssen BEL
Fourth Official: Simon Bourdeaud’hui BEL
VAR: Aleandro Di Paolo ITA
AVAR: Valerio Marini ITA
Referee Observer: Matteo Trefoloni ITA
Tottenham Hotspur – AS Roma
Referee: Glenn Nyberg SWE
Assistant Referee 1: Mahbod Beigi SWE
Assistant Referee 2: Andreas Söderkvist SWE
Fourth Official: Adam Ladebäck SWE
VAR: Pol van Boekel NED
AVAR: Clay Ruperti NED
Referee Observer: João Ferreira POR
Slavia Praha – Fenerbahce
Referee: Sascha Stegemann GER
Assistant Referee 1: Marco Achmüller GER
Assistant Referee 2: Christof Günsch GER
Fourth Official: Florian Badstübner GER
VAR: Benjamin Brand GER
AVAR: Tobias Reichel GER
Referee Observer: Levan Paniashvili GEO
Real Sociedad – AFC Ajax
Referee: Matej Jug SVN
Assistant Referee 1: Matej Žunič SVN
Assistant Referee 2: Manuel Vidali SVN
Fourth Official: Martin Matoša SVN
VAR: Bastian Dankert GER
AVAR: Dragomir Draganov BUL
Referee Observer: Pascal Garibian FRA
SC Braga – TSG Hoffenheim
Referee: Igor Pajač CRO
Assistant Referee 1: Ivan Mihalj CRO
Assistant Referee 2: Vedran Djurak CRO
Fourth Official: Tihomir Pejin CRO
VAR: Tomasz Kwiatkowski POL
AVAR: Dennis Higler NED
Referee Observer: Sokol Jareci ALB
Ferencvarosi TC – Malmo FF
Referee: Aliyar Aghayev AZE
Assistant Referee 1: Zeynal Zeynalov AZE
Assistant Referee 2: Akif Amirali AZE
Fourth Official: Inqilab Mammadov AZE
VAR: Sören Storks GER
AVAR: Günter Perl GER
Referee Observer: Laurent Duhamel FRA
FC Midtjylland – Eintracht Frankfurt
Referee: Craig Pawson ENG
Assistant Referee 1: Lee Betts ENG
Assistant Referee 2: Ian Hussin ENG
Fourth Official: Samuel Barrott ENG
VAR: Michael Salisbury ENG
AVAR: Darren England ENG
Referee Observer: Kenneth Clark SCO
OGC Nice – Rangers FC
Referee: Ricardo De Burgos Bengoetxea ESP
Assistant Referee 1: Iker De Francisco Grijalba ESP
Assistant Referee 2: Alfredo Rodríguez Moreno ESP
Fourth Official: José Munuera Montero ESP
VAR: Guillermo Cuadra Fernández ESP
AVAR: Alejandro Hernández Hernández ESP
Referee Observer: Geórgios Bíkas GRE
FC Twente – Union St. Gilloise
Referee: John Beaton SCO
Assistant Referee 1: Daniel McFarlane SCO
Assistant Referee 2: David McGeachie SCO
Fourth Official: Calum Scott SCO
VAR: Andrew Dallas SCO
AVAR: Jarred Gillett ENG
Referee Observer: Michaíl Argyroú CYP
FCSB – Olympiakos
Referee: Sebastian Gishamer AUT
Assistant Referee 1: Roland Riedel AUT
Assistant Referee 2: Santino Schreiner AUT
Fourth Official: Jakob Semler AUT
VAR: Manuel Schüttengruber AUT
AVAR: Walter Altmann AUT
Referee Observer: Uno Tutk EST
Referee: Ricardo De Burgos Bengoetxea ESP
Assistant Referee 1: Iker De Francisco Grijalba ESP
Assistant Referee 2: Alfredo Rodríguez Moreno ESP
Fourth Official: José Munuera Montero ESP
VAR: Guillermo Cuadra Fernández ESP
AVAR: Alejandro Hernández Hernández ESP
Referee Observer: Geórgios Bíkas GRE
FC Twente – Union St. Gilloise
Referee: John Beaton SCO
Assistant Referee 1: Daniel McFarlane SCO
Assistant Referee 2: David McGeachie SCO
Fourth Official: Calum Scott SCO
VAR: Andrew Dallas SCO
AVAR: Jarred Gillett ENG
Referee Observer: Michaíl Argyroú CYP
FCSB – Olympiakos
Referee: Sebastian Gishamer AUT
Assistant Referee 1: Roland Riedel AUT
Assistant Referee 2: Santino Schreiner AUT
Fourth Official: Jakob Semler AUT
VAR: Manuel Schüttengruber AUT
AVAR: Walter Altmann AUT
Referee Observer: Uno Tutk EST
