Noah – AEK
Referee: Visar Kastrati KOS (photo)
Assistant Referee 1: Edmond Zeqiri KOS
Assistant Referee 2: Fatmir Sekiraqa KOS
Fourth Official: Mentor Ajeti KOS
VAR: Alban Shala KOS
AVAR: Granit Hyseni KOS
Referee Observer: Mika Peltola FIN
Paksi – Mornar
Referee: Dzmitryj Dzmitryjeu BLR
Assistant Referee 1: Dzianis Jemialjančykau BLR
Assistant Referee 2: Anton Palujanau BLR
Fourth Official: Amine Kourgheli BLR
VAR: Ricardo de Burgos Bengoetxea ESP
AVAR: Adrián Cordero Vega ESP
Referee Observer: Albano Janku ALB
Hacken – Paide
Referee: Daniiar Sahi KAZ
Assistant Referee 1: Sergei Vasiutin KAZ
Assistant Referee 2: Samat Tergeusizov KAZ
Fourth Official: Grigorii Moskovtşenko KAZ
VAR: Säken Baiymbet KAZ
AVAR: Bağdat Abdollaev KAZ
Referee Observer: Peter Rasmussen DEN
FC Copenhagen – Banik Ostrava
Referee: Nathan Verboomen BEL
Assistant Referee 1: Mathias Hillaert BEL
Assistant Referee 2: Ruben Wyns BEL
Fourth Official: Jasper Vergoote BEL
VAR: Erik Lambrechts BEL
AVAR: Wesli De Cremer BEL
Referee Observer: Zoltán Szarka HUN
St. Gallen – Slask Wrocklaw
Referee: Jan Petrík CZE
Assistant Referee 1: Jakub Hrabovsky CZE
Assistant Referee 2: Jan Hurych CZE
Fourth Official: Daniel Vokoun CZE
VAR: Jana Adámková CZE
AVAR: Lucie Ratajová CZE
Referee Observer: Giorgi Vadachkoria GEO
Ordabasy – Pyunik
Referee: Marek Radina CZE
Assistant Referee 1: Kamil Hájek CZE
Assistant Referee 2: Jiří Kříž CZE
Fourth Official: Vít Zaoral CZE
VAR: Tomáš Kocourek CZE
AVAR: Ivo Nádvorník CZE
Referee Observer: Marco Borg MLT
Ararat – Puskas Academia
Referee: Kristoffer Hagenes NOR
Assistant Referee 1: Oystein Ytterland NOR
Assistant Referee 2: Tom Grønevik NOR
Fourth Official: Daniel Higraff NOR
VAR: Tom Hagen NOR
AVAR: Monica Lokkeberg NOR
Referee Observer: Boško Jovanetić SRB
Ballkani – Larne
Referee: Jakob Sundberg DEN
Assistant Referee 1: Deniz Yurdakul DEN
Assistant Referee 2: Victor Skytte DEN
Fourth Official: Jacob Karlsen DEN
VAR: Jonas Hansen DEN
AVAR: Jens Maae DEN
Referee Observer: Bernardino González Vázquez ESP
HJK Helsinki – FC Decic
Referee: Sandi Putros DEN
Assistant Referee 1: Lars Hummelgaard DEN
Assistant Referee 2: Martin Markus DEN
Fourth Official: Aydin Uslu DEN
VAR: Mikkel Redder DEN
AVAR: Michael Tykgaard DEN
Referee Observer: Nicolae Grigorescu ROU
Mlada Boleslav – Hapoel Beer Sheva
Referee: Joni Hyytiä FIN
Assistant Referee 1: Mika Lamppu FIN
Assistant Referee 2: Veli-Matti Leppänen FIN
Fourth Official: Peiman Simani FIN
VAR: Dennis Higler NED
AVAR: Jochem Kamphuis NED
Referee Observer: Dimitar Mečkarovski MKD
Ilves Tampere – Djugardens
Referee: Edgars Malcevs LVA
Assistant Referee 1: Martinš Svipsts LVA
Assistant Referee 2: Deniss Ševčenko LVA
Fourth Official: Aleksandrs Anufrijevs LVA
VAR: Andris Treimanis LVA
AVAR: Kristaps Ratnieks LVA
Referee Observer: Karel Vidlák CZE
Iberia Tbilisi – Istanbul Basaksehir
Referee: David Dickinson SCO
Assistant Referee 1: David McGeachie SCO
Assistant Referee 2: Francis Connor SCO
Fourth Official: Ross Hardie SCO
VAR: Nicolas Walsh SCO
AVAR: Gavin Duncan SCO
Referee Observer: Konrad Plautz AUT
MFK Ruzomberok – Hajduk Split
Referee: César Soto Grado ESP
Assistant Referee 1: Iván Massó Granado ESP
Assistant Referee 2: Carlos Álvarez Fernández ESP
Fourth Official: Victor García Verdura ESP
VAR: José Munuera Montero ESP
AVAR: Juan Pulido Santana ESP
Referee Observer: Goran Mihaljević MNE
Silkeborg IF – KAA Gent
Referee: Henrik Nalbandyan ARM
Assistant Referee 1: Artur Gdlyan ARM
Assistant Referee 2: Gevorg Shakhkaldyan ARM
Fourth Official: Yura Mahtesyan ARM
VAR: Alan Kijas AUT
AVAR: Josef Spurny AUT
Referee Observer: Ian Stokes IRL
FC Zurich – Vitoria FC
Referee: Marian Barbu ROU
Assistant Referee 1: Ovidiu Artene ROU
Assistant Referee 2: Imre Bucsi ROU
Fourth Official: Sebastian Colțescu ROU
VAR: Cătălin Popa ROU
AVAR: Marcel Bîrsan ROU
Referee Observer: Kevin Parry WAL
Auda – Drita
Referee: Dario Bel CRO
Assistant Referee 1: Goran Pataki CRO
Assistant Referee 2: Ivan Janić CRO
Fourth Official: Zdenko Lovrić CRO
VAR: Duje Strukan CRO
AVAR: Ivan Matić CRO
Referee Observer: Paolo Dondarini ITA
Brondby IF – Legia Warszawa
Referee: Martin Dohál SVK
Assistant Referee 1: František Ferenc SVK
Assistant Referee 2: Martin Vitko SVK
Fourth Official: Marián Ruc SVK
VAR: Michal Očenáš SVK
AVAR: Erik Gemzický SVK
Referee Observer: Ferenc Székely HUN
Omonia – Fehervar
Referee: Lionel Tschudi SUI
Assistant Referee 1: Matthias Sbrissa SUI
Assistant Referee 2: Bastien Lengacher SUI
Fourth Official: Anojen Kanagasingam SUI
VAR: Lukas Fähndrich SUI
AVAR: Nico Gianforte SUI
Referee Observer: Nenad Đokić SRB
Olimpia Ljubljana – Sheriff Tiraspol
Referee: Vasílios Fotiás GRE
Assistant Referee 1: Andréas Meindanás GRE
Assistant Referee 2: Vasílios Nikolakákis GRE
Fourth Official: Anastásios Papapétrou GRE
VAR: Andréas Gamáris GRE
AVAR: Aléxandros Tsakalídis GRE
Referee Observer: Rune Pedersen NOR
CSKA – Pafos
Referee: Denys Shurman UKR
Assistant Referee 1: Viktor Nyzhnyk UKR
Assistant Referee 2: Oleksandr Korniyko UKR
Fourth Official: Klym Zabroda UKR
VAR: Viktor Kopiyevskyy UKR
AVAR: Andriy Kovalenko UKR
Referee Observer: Robert Sedlacek AUT
Kilmarnock – Tromsoe
Referee: Menélaos Antoníou CYP
Assistant Referee 1: Mários Kalogírou CYP
Assistant Referee 2: Ómiros Tziortzís CYP
Fourth Official: Ioánnis Christodoúlou CYP
VAR: Dimítris Solomoú CYP
AVAR: Rovértos Kósta CYP
Referee Observer: Alberto Undiano Mallenco ESP
Corvinul – Astana
Referee: Ishmael Barbara MLT
Assistant Referee 1: Roberto Vella MLT
Assistant Referee 2: James Muscat MLT
Fourth Official: Trustin Farrugia Cann MLT
VAR: Christopher Kavanagh ENG
AVAR: Lee Betts ENG
Referee Observer: Jan Wegereef NED
Maccabi Petah Tikva – CFR Cluj
Referee: Patrik Kolarić CRO
Assistant Referee 1: Luka Pajić CRO
Assistant Referee 2: Ivan Starčević CRO
Fourth Official: Ante Terzić CRO
VAR: Mario Zebec CRO
AVAR: Tihomir Pejin CRO
Referee Observer: Herbert Fandel GER
Osijek – Zira
Referee: Aristotélis Diamantópoulos GRE
Assistant Referee 1: Konstantínos Psárris GRE
Assistant Referee 2: Konstantínos Triandafýllou GRE
Fourth Official: Konstantínos Perrákis GRE
VAR: Stéfanos Koumbarákis GRE
AVAR: Spyrídon Zambalás GRE
Referee Observer: Kostadin Gerginov BUL
Botev Plovdiv – Zrinjski Mostar
Referee: Fábio Veríssimo POR
Assistant Referee 1: Pedro Ribeiro POR
Assistant Referee 2: Hugo Ribeiro POR
Fourth Official: José Bessa POR
VAR: André Narciso POR
AVAR: Catarina Campos POR
Referee Observer: Marcin Szulc POL
Vikingur Reykjavik – Flora Tallinn
Referee: Ashot Ghaltakhchyan ARM
Assistant Referee 1: Mesrop Ghazaryan ARM
Assistant Referee 2: Khachatur Hovhannisyan ARM
Fourth Official: Vardan Vardumyan ARM
VAR: Artem Gasparyan ARM
AVAR: Vardan Manukyan ARM
Referee Observer: Sascha Amhof SUI
Maribor – Vojvodina
Referee: Daniel Stefański POL
Assistant Referee 1: Dawid Golis POL
Assistant Referee 2: Michał Obukowicz POL
Fourth Official: Wojciech Myć POL
VAR: Paweł Malec POL
AVAR: Paweł Raczkowski POL
Referee Observer: Ladislav Gádoši SVK
Spartak Trnava – Wisla Krakow
Referee: Saiat Qarabaev KAZ
Assistant Referee 1: Aleksei Dolgih KAZ
Assistant Referee 2: Dmitrii Belogradov KAZ
Fourth Official: Tatiana Sorokopudova KAZ
VAR: Rüstem Omarov KAZ
AVAR: Georgii Tşehovskii KAZ
Referee Observer: Andrejs Sipailo LVA
St. Patrick – Sabah
Referee: Vilhjálmur Thórarinsson ISL
Assistant Referee 1: Gylfi Sigurdsson ISL
Assistant Referee 2: Birkir Sigurdarson ISL
Fourth Official: Helgi Jónasson ISL
VAR: Darren England ENG
AVAR: Neil Davies ENG
Referee Observer: Sven Bindels LUX
St. Mirren – Brann
Referee: Matthew De Gabriele MLT
Assistant Referee 1: Jurgen Spiteri MLT
Assistant Referee 2: Mitchell Scerri MLT
Fourth Official: Philip Farrugia MLT
VAR: Peter Bankes ENG
AVAR: Steve Meredith ENG
Referee Observer: Vadims Direktorenko LVA