LOSC Lille – Olimpija Ljubljana
Referee: Joey Kooij NED (photo)
Assistant Referee 1: Joost van Zuilen NED
Assistant Referee 2: Roy de Nas NED
Fourth Official: Jannick van der Laan NED
VAR: Edwin van de Graaf NED
AVAR: Laurens Gerrets NED
Referee Observer: Ladislav Gadoši SVK
Legia Warszawa – Aston Villa
Referee: Evangelos Manouchos GRE
Assistant Referee 1: Konstandínos Nikolaidis GRE
Assistant Referee 2: Konstandínos Psarris GRE
Fourth Official: Anastasios Papapetrou GRE
VAR: Angelos Evangelou GRE
AVAR: Aristotelis Diamantopoulos GRE
Referee Observer: Gediminas Mažeika LTU
Zrinjski Mostar – AZ Alkmaar
Referee: Donald Robertson SCO
Assistant Referee 1: David Roome SCO
Assistant Referee 2: Ross Macleod SCO
Fourth Official: Grant Irvine SCO
VAR: Christopher Kavanagh ENG
AVAR: Thomas Bramall ENG
Referee Observer: Hannes Kaasik EST
KRC Genk – ACF Fiorentina
Referee: Stephanie Frappart FRA
Assistant Referee 1: Mikael Berchebru FRA
Assistant Referee 2: Steven Torregrossa FRA
Fourth Official: Bastien Dechepy FRA
VAR: Pierre Gaillouste FRA
AVAR: Maika Vanderstichel FRA
Referee Observer: John Ferry NIR
Ferencvarosi TC – FK Čukarički
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: Ricardo de Burgos Bengoetxea ESP
AVAR: Juan Pulido Santana ESP
Referee Observer: Marco Borg MLT
Eintracht Frankfurt – Aberdeen FC
Referee: Chrysovalandis Theouli CYP
Assistant Referee 1: Marios Dimitriadis CYP
Assistant Referee 2: Pavlos Georgiou CYP
Fourth Official: Menelaos Antoniou CYP
VAR: Dimitris Solomou CYP
AVAR: Marios Christoforou CYP
Referee Observer: Goran Mihaljević MNE
HJK Helsinki – PAOK FC
Referee: Marian Barbu ROU
Assistant Referee 1: Mihai Marica ROU
Assistant Referee 2: Imre Bucsi ROU
Fourth Official: Sebastian Colțescu ROU
VAR: Cătălin Popa ROU
AVAR: Andrei Chivulete ROU
Referee Observer: Luc Wouters BEL
PFK Ludogorets – Spartak Trnava
Referee: Genc Nuza KOS
Assistant Referee 1: Fatlum Berisha KOS
Assistant Referee 2: Bujar Selimaj KOS
Fourth Official: Erdall Zasella KOS
VAR: Fedayi San SUI
AVAR: Lionel Tschudi SUI
Referee Observer: Pavel Salii KAZ
Fenerbahce – Nordsjaelland
Referee: Gergő Bogar HUN
Assistant Referee 1: Theodoros Georgiou HUN
Assistant Referee 2: Balazs Szalai HUN
Fourth Official: Ferenc Karako HUN
VAR: Tamas Bognar HUN
AVAR: István Vad HUN
Referee Observer: Kevin Parry WAL
Slovan Bratislava – KI Klaksvik
Referee: Christian Ciochirca AUT
Assistant Referee 1: Maximilian Weiss AUT
Assistant Referee 2: Michael Obritzberger AUT
Fourth Official: Walter Altmann AUT
VAR: Alan Kijas AUT
AVAR: Josef Spurny AUT
Referee Observer: Cüneyt Çakir TUR
Maccabi Tel Aviv – Breidablik
Referee: Vitalijs Spasjonnikovs LVA
Assistant Referee 1: Raimonds Tatriks LVA
Assistant Referee 2: Jevgenijs Morozovs LVA
Fourth Official: Aleksandrs Anufrijevs LVA
VAR: Carlos Del Cerro Grande ESP
AVAR: Santiago Jaime Latre ESP
Referee Observer: Georgios Bikas GRE
Zorya Luhansk – KAA Gent
Referee: Daniele Chiffi ITA
Assistant Referee 1: Davide Imperiale ITA
Assistant Referee 2: Marco Bresmes ITA
Fourth Official: Livio Marinelli ITA
VAR: Paolo Valeri ITA
AVAR: Matteo Gariglio ITA
Referee Observer: Viktor Kassai HUN
Viktoria Plzen – FC Ballkani
Referee: Damian Sylwestrzak POL
Assistant Referee 1: Bartosz Heinig POL
Assistant Referee 2: Adam Karasewicz POL
Fourth Official: Wojciech Myc POL
VAR: Pawel Malec POL
AVAR: Tomasz Musial POL
Referee Observer: Mattias Gestranius FIN
GNK Dinamo – Astana FK
Referee: Pawel Raczkowski POL
Assistant Referee 1: Radoslaw Siejka POL
Assistant Referee 2: Adam Kupsik POL
Fourth Official: Damian Kos POL
VAR: Tomasz Kwiatkowski POL
AVAR: Krzysztof Jakubik POL
Referee Observer: Christopher Lautier MLT
Club Brugge – Beşiktaş
Referee: Aleksei Kulbakov BLR
Assistant Referee 1: Dzmitryj Žuk BLR
Assistant Referee 2: Alieh Maslianka BLR
Fourth Official: Dzmitryj Dzmitryjeu BLR
VAR: Bartosz Frankowski POL
AVAR: Krzysztof Myrmus POL
Referee Observer: Antony Gautier FRA
FC Lugano – Bodo Glimt
Referee: David Šmajc SVN
Assistant Referee 1: David Gabrovec SVN
Assistant Referee 2: Aleksandar Kasapovič SVN
Fourth Official: Alen Borošak SVN
VAR: Matej Jug SVN
AVAR: Asmir Sagrkovič SVN
Referee Observer: Laszlo Vagner HUN
