Olimpija Ljubljana – Slovan Bratislava
Referee: Anastasios Sidiropoulos GRE (photo)
Assistant Referee 1: Polychronis Kostaras GRE
Assistant Referee 2: Lazaros Dimitriadis GRE
Fourth Official: Vasilios Fotias GRE
VAR: Ioannis Papadopoulos GRE
AVAR: Aristotelis Diamantopoulos GRE
Referee Observer: Stephen Tanner ENG
Astana FK – Viktoria Plzen
Referee: Gustavo Correia POR
Assistant Referee 1: Rui Teixeira POR
Assistant Referee 2: Pedro Mota POR
Fourth Official: Helder Carvalho POR
VAR: Joao Pinheiro POR
AVAR: Andre Narciso POR
Referee Observer: Alon Yefet ISR
KI Klaksvik – LOSC Lille
Referee: Elçin Masiyev AZE
Assistant Referee 1: Elşad Abdullayev AZE
Assistant Referee 2: Parvin Talibov AZE
Fourth Official: Farid Haciyev AZE
VAR: Mete Kalkavan TUR
AVAR: Erkan Engin TUR
Referee Observer: Haim Yakov ISR
Breidablik – Zorya Luhansk
Referee: Aleksandar Stavrev MKD
Assistant Referee 1: Dejan Kostadinov MKD
Assistant Referee 2: Kuštrim Lika MKD
Fourth Official: Igor Stojčevski MKD
VAR: Harm Osmers GER
AVAR: Franziska Wildfeuer GER
Referee Observer: Rusmir Mrković BIH
KAA Gent – Maccabi Tel Aviv
Referee: Abdulkadir Bitigen TUR
Assistant Referee 1: Mehmet Tugral TUR
Assistant Referee 2: Mustafa Savranlar TUR
Fourth Official: Bahattin Şimşek TUR
VAR: Alper Ulusoy TUR
AVAR: Serkan Tokat TUR
Referee Observer: Carlos Velasco Carballo ESP
FC Ballkani – GNK Dinamo
Referee: Atilla Karaoglan TUR
Assistant Referee 1: Ceyhun Sesigüzel TUR
Assistant Referee 2: Cevdet Kömürcüoglu TUR
Fourth Official: Çagdas Altay TUR
VAR: Hakan Ceylan TUR
AVAR: Koray Gençerler TUR
Referee Observer: Alberto Undiano Mallenco ESP
Bodo Glimt – Club Brugge
Referee: Ondrej Berka CZE
Assistant Referee 1: Ivo Nadvornik CZE
Assistant Referee 2: Matej Vlček CZE
Fourth Official: Dominik Stary CZE
VAR: Jose Munuera Montero ESP
AVAR: Inigo Prieto Lopez ESP
Referee Observer: Igor Pristovnik CRO
Beşiktaş – Lugano
Referee: David Fuxman ISR
Assistant Referee 1: Omer Barbiro ISR
Assistant Referee 2: Rostislav Talis ISR
Fourth Official: Erez Papir ISR
VAR: Ziv Adler ISR
AVAR: Nati Dotan ISR
Referee Observer: Alain Sars FRA
AZ Alkmaar – Legia Warszawa
Referee: Nenad Minaković SRB
Assistant Referee 1: Svetozar Živin SRB
Assistant Referee 2: Attila Harmath SRB
Fourth Official: Milan Mitić SRB
VAR: Momčilo Marković SRB
AVAR: Aleksandar Živković SRB
Referee Observer: Howard Webb ENG
Aston Villa – HSK Zrinjski
Referee: Urs Schnyder SUI
Assistant Referee 1: Marco Zürcher SUI
Assistant Referee 2: Benjamin Zürcher SUI
Fourth Official: Sven Wolfensberger SUI
VAR: Fedayi San SUI
AVAR: Lionel Tschudi SUI
Referee Observer: Hugh Dallas SCO
ACF Fiorentina – Ferencvarosi TC
Referee: Daniel Schlager GER
Assistant Referee 1: Christian Dietz GER
Assistant Referee 2: Sven Waschitzki GER
Fourth Official: Tobias Reichel GER
VAR: Sören Storks GER
AVAR: Robert Schröder GER
Referee Observer: Ian Stokes IRL
FK Čukarički – KRC Genk
Referee: Adam Ladebäck SWE
Assistant Referee 1: Mehmet Culum SWE
Assistant Referee 2: Daniel Yng SWE
Fourth Official: Joakim Östling SWE
VAR: Luca Pairetto ITA
AVAR: Marco Serra ITA
Referee Observer: Pawel Gil POL
PAOK FC – Eintracht Frankfurt
Referee: Simone Sozza ITA
Assistant Referee 1: Alberto Tegoni ITA
Assistant Referee 2: Giovanni Baccini ITA
Fourth Official: Andrea Colombo ITA
VAR: Maurizio Mariani ITA
AVAR: Valerio Marini ITA
Referee Observer: Michal Beneš CZE
Aberdeen FC – HJK Helsinki
Referee: Daniel Stefanski POL
Assistant Referee 1: Dawid Golis POL
Assistant Referee 2: Michal Obukowicz POL
Fourth Official: Damian Sylwestrzak POL
VAR: Pawel Malec POL
AVAR: Krzysztof Myrmus POL
Referee Observer: Georgi Yordanov BUL
FC Nordsjaelland – PFK Ludogorets
Referee: Juxhin Xhaja ALB
Assistant Referee 1: Rejdi Avdo ALB
Assistant Referee 2: Dojando Myftari ALB
Fourth Official: Eldorjan Hamiti ALB
VAR: Carlos Del Cerro Grande ESP
AVAR: Santiago Jaime Latre ESP
Referee Observer: Lassin Isaksen FRO
Spartak Trnava – Fenerbahçe
Referee: Sascha Stegemann GER
Assistant Referee 1: Christian Gittelmann GER
Assistant Referee 2: Christof Günsch GER
Fourth Official: Florian Badstübner GER
VAR: Benjamin Brand GER
AVAR: Christian Dingert GER
Referee Observer: Viktor Shvetsov UKR
