FC Lugano – Club Brugge
Referee: Ovidiu Hațegan ROU (photo)
Assistant Referee 1: Mihai Marica ROU
Assistant Referee 2: Sebastian Gheorghe ROU
Fourth Official: Constantin Colțescu ROU
VAR: Marco Guida ITA
AVAR: Francesco Meraviglia ITA
Referee Observer: Mark Whitby WAL
LOSC Lille – Slovan Bratislava
Referee: Luca Pairetto ITA
Assistant Referee 1: Davide Imperiale ITA
Assistant Referee 2: Alessio Berti ITA
Fourth Official: Andrea Colombo ITA
VAR: Michael Fabbri ITA
AVAR: Matteo Gariglio ITA
Referee Observer: Nerijus Dunauskas LTU
KI Klaksvik – Olimpija Ljubljana
Referee: Harm Osmers GER
Assistant Referee 1: Robert Kempter GER
Assistant Referee 2: Dominik Schaal GER
Fourth Official: Robert Schröder GER
VAR: Benjamin Brand GER
AVAR: Günter Perl GER
Referee Observer: Ognjen Valjić BIH
KAA Gent – Breidablik
Referee: Robertas Valikonis LTU
Assistant Referee 1: Vytenis Kazlauskas LTU
Assistant Referee 2: Benas Kikutis LTU
Fourth Official: Donatas Simenas LTU
VAR: Pawel Malec POL
AVAR: Pawel Raczkowski POL
Referee Observer: Michalis Koukoulakis GRE
FC Ballkani – Astana FK
Referee: Vasilios Fotias GRE
Assistant Referee 1: Andreas Meindanas GRE
Assistant Referee 2: Konstantinos Psarris GRE
Fourth Official: Ioannis Papadopoulos GRE
VAR: Evangelos Manouchos GRE
AVAR: Stefanos Koumbarakis GRE
Referee Observer: Simon Evans WAL
AZ Alkmaar – Aston Villa
Referee: Sven Jablonski GER
Assistant Referee 1: Lasse Koslowski GER
Assistant Referee 2: Eduard Beitinger GER
Fourth Official: Tobias Reichel GER
VAR: Daniel Siebert GER
AVAR: Benjamin Cortus GER
Referee Observer: Tony Asumaa FIN
Fenerbahce – Ludogorets
Referee: Guillermo Cuadra Fernandez ESP
Assistant Referee 1: Guadalupe Porras Ayuso ESP
Assistant Referee 2: Alejandro Estevez Iglesias ESP
Fourth Official: Miguel Ortiz Arias ESP
VAR: Cesar Soto Grado ESP
AVAR: Santiago Jaime Latre ESP
Referee Observer: Nicolae Grigorescu ROU
GNK Dinamo – Viktoria Plzen
Referee: Robert Jones ENG
Assistant Referee 1: Lee Betts ENG
Assistant Referee 2: Harry Lennard ENG
Fourth Official: Michael Salisbury ENG
VAR: Jarred Gillett ENG
AVAR: Peter Bankes ENG
Referee Observer: Robert Schörgenhofer AUT
Bodo Glimt – Beşiktaş
Referee: Nenad Minaković SRB
Assistant Referee 1: Svetozar Živin SRB
Assistant Referee 2: Nikola Borović SRB
Fourth Official: Milan Mitić SRB
VAR: Momčilo Marković SRB
AVAR: Jelena Cvetković SRB
Referee Observer: Jens Larsen DEN
Zrinjski Mostar – Legia Warszawa
Referee: Andrei Chivulete ROU
Assistant Referee 1: Ferencz Tunyogi ROU
Assistant Referee 2: Andrei Constantinescu ROU
Fourth Official: Florin Andrei ROU
VAR: Marco Di Bello ITA
AVAR: Daniele Paterna ITA
Referee Observer: Karel Vidlak CZE
KRC Genk – Ferencvarosi TC
Referee: Aleksandar Stavrev MKD
Assistant Referee 1: Dejan Kostadinov MKD
Assistant Referee 2: Goce Petreski MKD
Fourth Official: Marjan Dejanoski MKD
VAR: Fran Jović CRO
AVAR: Mario Zebec CRO
Referee Observer: Robert Sedlacek AUT
ACF Fiorentina – FK Čukarički
Referee: Chrysovalandis Theoulí CYP
Assistant Referee 1: Michaíl Sotiríou CYP
Assistant Referee 2: Pavlos Georgíou CYP
Fourth Official: Kyriakos Athanasíou CYP
VAR: Dimitrios Solomou CYP
AVAR: Marios Christoforou CYP
Referee Observer: Calum Murray SCO
Eintracht Frankfurt – HJK Helsinki
Referee: Viktor Kopiyevskyy UKR
Assistant Referee 1: Semen Shlonchak UKR
Assistant Referee 2: Andriy Skrypka UKR
Fourth Official: Vitaliy Romanov UKR
VAR: Daniele Chiffi ITA
AVAR: Daniele Doveri ITA
Referee Observer: Matteo Trefoloni ITA
Aberdeen FC – PAOK
Referee: Sebastian Gishamer AUT
Assistant Referee 1: Roland Riedel AUT
Assistant Referee 2: Santino Schreiner AUT
Fourth Official: Walter Altmann AUT
VAR: Alan Kijas AUT
AVAR: Josef Spurny AUT
Referee Observer: Kjell Alseth NOR
Spartak Trnava – FC Nordsjaelland
Referee: Allard Lindhout NED
Assistant Referee 1: Joost van Zuilen NED
Assistant Referee 2: Patrick Inia NED
Fourth Official: Sander van der Eijk NED
VAR: Jeroen Manschot NED
AVAR: Jochem Kamphuis NED
Referee Observer: Christos Nikolaidis CYP
Maccabi Tel Aviv – Zorya Luhansk
Referee: Lukas Fähndrich SUI
Assistant Referee 1: Jonas Erni SUI
Assistant Referee 2: Guillaume Maire SUI
Fourth Official: Johannes von Mandach SUI
VAR: Lionel Tschudi SUI
AVAR: Luca Cibelli SUI
