Atalanta BC – Qairat FC
Referee: Julian Weinberger AUT (photo)
Assistant Referee 1: Andreas Heidenreich AUT
Assistant Referee 2: Maximilian Kolbitsch AUT
Fourth Official: Stefan Ebner AUT
VAR: Alan Kijas AUT
AVAR: Josef Spurny AUT
Referee Observer: Rusmir Mrković BIH
FC Midtjylland – AFC Ajax
Referee: Paweł Raczkowski POL
Assistant Referee 1: Adam Kupsik POL
Assistant Referee 2: Filip Sierant POL
Fourth Official: Marcin Szczerbowicz POL
VAR: Pawel Pskit POL
AVAR: Piotr Urban POL
Referee Observer: Sven Bindels LUX
Crvena Zvezda – Inter D’Escaldes
Referee: Henrik Nalbandyan ARM
Assistant Referee 1: Mesrop Ghazaryan ARM
Assistant Referee 2: Sargis Hovhannisyan ARM
Fourth Official: Yura Mahtesyan ARM
VAR: Gianluca Aureliano ITA
AVAR: Zaven Hovhannisyan ARM
Referee Observer: Michalis Koukoulakis GRE
KUPS Kuopio – KAA Gent
Referee: Robert Harvey IRL
Assistant Referee 1: Darragh Keegan IRL
Assistant Referee 2: Wayne McDonnell IRL
Fourth Official: Paul Norton IRL
VAR: Andrew Dallas SCO
AVAR: Grant Irvine SCO
Referee Observer: Paolo Valeri ITA
Lincoln Red Imps – Hajduk Split
Referee: Patryk Gryckiewicz POL
Assistant Referee 1: Marcin Boniek POL
Assistant Referee 2: Bartosz Kaszyński POL
Fourth Official: Mateusz Piszczelok POL
VAR: Bartosz Frankowski POL
AVAR: Lukasz Szczech POL
Referee Observer: Iain Robertson Brines SCO
Trabzonspor – SC Freiburg
Referee: Kristo Tohver EST
Assistant Referee 1: Silver Koiv EST
Assistant Referee 2: Sander Saga EST
Fourth Official: Kevin Kaivoja EST
VAR: Clay Ruperti NED
AVAR: Marko Liiva EST
Referee Observer: Paolo Dondarini ITA
AGF Aarhus – SC Braga
Referee: Florian Badstübner GER
Assistant Referee 1: Sven Waschitzki GER
Assistant Referee 2: Philipp Hüwe GER
Fourth Official: Robin Braun GER
VAR: Christian Ciochirca AUT
AVAR: Katrin Rafalski GER
Referee Observer: Viktor Kassai HUN
FC Thun – Heart of Midlothian
Referee: Kyriakos Athanasiou CYP
Assistant Referee 1: Marios Kalogirou CYP
Assistant Referee 2: Kyriakos Sokratous CYP
Fourth Official: Chrysovalantis Theouli CYP
VAR: Marios Christoforou CYP
AVAR: Dimitris Solomou CYP
Referee Observer: Alberto Undiano Mallenco ESP
Mjallby AIF – Borac Banja Luka
Referee: Gal Leibovitz ISR
Assistant Referee 1: Matityahu Yakobov ISR
Assistant Referee 2: Dor Medina ISR
Fourth Official: Dekel Zino ISR
VAR: Eli Hacmon ISR
AVAR: Shalom Ben Avraham ISR
Referee Observer: Jens Larsen DEN
AS Monaco – FC Nordsjaelland
Referee: Antoni Bandić BIH
Assistant Referee 1: Amir Kadić BIH
Assistant Referee 2: Nebojša Žugić BIH
Fourth Official: Nihad Ljajić BIH
VAR: Momčilo Marković SRB
AVAR: Mateo Musa BIH
Referee Observer: Kyros Vassaras GRE
FC Copenhagen – Iberia Tbilisi
Referee: Rob Hennessy IRL
Assistant Referee 1: Dermot Broughton IRL
Assistant Referee 2: Emmett Dynan IRL
Fourth Official: Damien MacGraith IRL
VAR: Kevin Clancy SCO
AVAR: Christopher Graham SCO
Referee Observer: Georgi Yordanov BUL
Panathinaikos – CSKA Sofia
Referee: Mohammed Al-Hakim SWE
Assistant Referee 1: Mehmet Culum SWE
Assistant Referee 2: Fredrik Klyver SWE
Fourth Official: Joakim Sars SWE
VAR: Pawel Malec POL
AVAR: Kornel Paszkiewicz POL
Referee Observer: Karel Vidlák CZE
FC Lugano – Kauno Žalgiris
Referee: Yigal Frid ISR
Assistant Referee 1: Tuval Koltunoff ISR
Assistant Referee 2: Rostislav Talis ISR
Fourth Official: Yoav Avraham Mizrachi ISR
VAR: Eitan Shmuelevitz ISR
AVAR: Eliyahu Casapu ISR
Referee Observer: Aleksei Kulbakov BLR
Getafe FC – Brighton & Hove Albion
Referee: Filip Glova SVK
Assistant Referee 1: Daniel Polacek SVK
Assistant Referee 2: Peter Bednar SVK
Fourth Official: Lukáš Dzivjak SVK
VAR: Jan Boterberg BEL
AVAR: Marian Ruc SVK
Referee Observer: Gerard Perry IRL
FC Twente – Pafos FC
Referee: Michal Očenáš SVK
Assistant Referee 1: Adam Jekkel SVK
Assistant Referee 2: Tobiáš Pacák SVK
Fourth Official: Bálint Kišš SVK
VAR: André Narciso POR
AVAR: Martin Dohal SVK
Referee Observer: Yevhenii Aranovskiy UKR
Sint Truidense – SK Brann
Referee: Oliver Reitala FIN
Assistant Referee 1: Jukka Honkanen FIN
Assistant Referee 2: Olli Jantunen FIN
Fourth Official: Antti Munukka FIN
VAR: Michael Fabbri ITA
AVAR: Luca Pairetto ITA
Referee Observer: Helmut Fleischer GER
Riga FC – FK Jablonec
Referee: Viktor Kopiievskyi UKR
Assistant Referee 1: Semen Shlonchak UKR
Assistant Referee 2: Dmytro Zaporozhenko UKR
Fourth Official: Dmytro Kubriak UKR
VAR: Mykola Balakin UKR
Referee Observer: Bariş Şimşek TUR
Universitatea Craiova – KF Egnatia
Referee: Donald Robertson SCO
Assistant Referee 1: Ross Macleod SCO
Assistant Referee 2: Calum Spence SCO
Fourth Official: Colin Steven SCO
VAR: Stevan McLean SCO
AVAR: Duncan Williams SCO
Referee Observer: Edgar Steinborn GER
