Basaksehir FK – St. Patrick FC
Referee: Balázs Berke HUN (photo)
Assistant Referee 1: Vencel Tóth HUN
Assistant Referee 2: Balázs Szert HUN
Fourth Official: Mihály Káprály HUN
VAR: Tamás Bognár HUN
AVAR: Ferenc Karakó HUN
Referee Observer: Dejan Filipović SRB
KAA Gent – FK Partizan
Referee: Filip Glova SVK
Assistant Referee 1: Daniel Poláček SVK
Assistant Referee 2: Peter Bednár SVK
Fourth Official: Martin Dohál SVK
VAR: Michal Očenáš SVK
AVAR: Lukáš Dzivjak SVK
Referee Observer: Vladimir Antonov MDA
Astana FK – SK Brann
Referee: Aleksandar Stavrev MKD
Assistant Referee 1: Dejan Kostadinov MKD
Assistant Referee 2: Goce Petreski MKD
Fourth Official: Igor Stojčevski MKD
VAR: Momčilo Marković SRB
AVAR: Aleksandar Živković SRB
Referee Observer: Libor Kovařík CZE
HJK Helsinki – KI Klasksvik
Referee: David Fuxman ISR
Assistant Referee 1: Omer Barbiro ISR
Assistant Referee 2: Tuval Koltunoff ISR
Fourth Official: Avraham Mizrachi ISR
VAR: Daniel Natan ISR
AVAR: Nati Dotan ISR
Referee Observer: Nuno Castro POR
Zira PFK – Omonia Nicosia
Referee: Vitalijs Spasjonnikovs LVA
Assistant Referee 1: Raimonds Tatriks LVA
Assistant Referee 2: Arturs Šakurovs LVA
Fourth Official: Aleksandrs Anufrijevs LVA
VAR: Andrejs Gluhovs LVA
AVAR: Jevgenijs Keziks LVA
Referee Observer: Karel Vidlák CZE
MFK Ruzomberok – FA Noah
Referee: John Beaton SCO
Assistant Referee 1: Daniel McFarlane SCO
Assistant Referee 2: Douglas Potter SCO
Fourth Official: Matthew MacDermid SCO
VAR: Andrew Dallas SCO
AVAR: Gregory Aitken SCO
Referee Observer: Pavel Salii KAZ
Trabzonspor – St. Gallen
Referee: Andris Treimanis LVA
Assistant Referee 1: Haralds Gudermanis LVA
Assistant Referee 2: Aleksejs Spasjonnikovs LVA
Fourth Official: Aleksandrs Golubevs LVA
VAR: Kristaps Ratnieks LVA
AVAR: Sergejs Vasjkovs LVA
Referee Observer: Augustus Constantin ROU
Paksi FC – Mlada Boleslav
Referee: Guillermo Cuadra Fernandez ESP
Assistant Referee 1: Inigo Prieto Lopez ESP
Assistant Referee 2: Iker de Francisco Grijalba ESP
Fourth Official: Miguel Ortiz Arias ESP
VAR: Carlos Del Cerro Grande ESP
AVAR: Raul Cabanero Martínez ESP
Referee Observer: Viktor Shvetsov UKR
Olimpija Ljubljana – HNK Rijeka
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: Johannes von Mandach SUI
Referee Observer: Kóstas Kapitanís CYP
Pafos FC – CFR Cluj
Referee: Craig Pawson ENG
Assistant Referee 1: Simon Bennett ENG
Assistant Referee 2: Daniel Robathan ENG
Fourth Official: Darren Bond ENG
VAR: Andrew Madley ENG
AVAR: Sian Massey-Ellis ENG
Referee Observer: Ladislav Gádoši SVK
The New Saints – FK Panevezys
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: Carlos Clos Gómez ESP
Santa Coloma – Vikingur Reykjavik
Referee: Atilla Karaoglan TUR
Assistant Referee 1: Ceyhun Sesigüzel TUR
Assistant Referee 2: Abdullah Özkara TUR
Fourth Official: Çagdaş Altay TUR
VAR: Erkan Engin TUR
AVAR: Mustafa Coşkun TUR
Referee Observer: Neale Barry ENG
Zrinjski Mostar – Vitoria SC
Referee: Robert Jones ENG
Assistant Referee 1: Ian Hussin ENG
Assistant Referee 2: Neil Davies ENG
Fourth Official: Michael Salisbury ENG
VAR: Jarred Gillett ENG
AVAR: Nick Hopton ENG
Referee Observer: Mattias Gestranius FIN
Cercle Bruges – Wisla Krakow
Referee: Horațiu Feșnic ROU
Assistant Referee 1: Vasile Marinescu ROU
Assistant Referee 2: Alexandru Cerei ROU
Fourth Official: Szabolcs Kovacs ROU
VAR: Sebastian Colțescu ROU
AVAR: Sorin Costreie ROU
Referee Observer: Sergejus Slyva LTU
Panathinaikos – Lens
Referee: Juan Martínez Munuera ESP
Assistant Referee 1: Diego Barbero Sevilla ESP
Assistant Referee 2: Miguel Martínez Munuera ESP
Fourth Official: César Soto Grado ESP
VAR: Alejandro Hernández Hernández ESP
AVAR: Alejandro Muiz Ruiz ESP
Referee Observer: Hugh Dallas SCO
FC Drita – Legia Warszawa
Referee: Daniel Schlager GER
Assistant Referee 1: Christian Gittelmann GER
Assistant Referee 2: Sven Waschitzki GER
Fourth Official: Florian Exner GER
VAR: Pascal Müller GER
AVAR: Katrin Rafalski GER
Referee Observer: Chrístos Nikolaidis CYP
Kilmarnock FC – FC Copenhagen
Referee: Radoslav Gidzhenov BUL
Assistant Referee 1: Miroslav Ivanov BUL
Assistant Referee 2: Petar Mitrev BUL
Fourth Official: Vladimir Valkov BUL
VAR: Nikola Popov BUL
AVAR: Georgi Ginchev BUL
Referee Observer: Stefan Johannesson SWE
NK Celje – FA Pyunik
Referee: Christian Ciochirca AUT
Assistant Referee 1: Maximilian Weiss AUT
Assistant Referee 2: Michael Obritzberger AUT
Fourth Official: Alan Kijas AUT
VAR: Manuel Schüttengruber AUT
AVAR: Julian Weinberger AUT
Referee Observer: Hannes Kaasik EST
NK Maribor – Djurgardens IF
Referee: Manfredas Lukjančukas LTU
Assistant Referee 1: Mangirdas Mirauskas LTU
Assistant Referee 2: Vytenis Kazlauskas LTU
Fourth Official: Mindaugas Jackus LTU
VAR: Donatas Šimėnas LTU
AVAR: Orestas Abramavičius LTU
Referee Observer: Ognjen Valjić BIH
FC Heidenheim – BK Hacken
Referee: Giorgi Kruashvili GEO
Assistant Referee 1: Levan Varamishvili GEO
Assistant Referee 2: Zaza Pipia GEO
Fourth Official: Giorgi Avazashvili GEO
VAR: Aleko Aptsiauri GEO
AVAR: Bakur Ninua GEO
Referee Observer: Rusmir Mrković BIH
Servette – Chelsea
Referee: Marco Di Bello ITA
Assistant Referee 1: Alessandro Giallatini ITA
Assistant Referee 2: Giovanni Baccini ITA
Fourth Official: Luca Zufferli ITA
VAR: Gianluca Aureliano ITA
AVAR: Rosario Abisso ITA
Referee Observer: Domagoj Vučkov CRO
Larne FC – Lincoln Red Imps
Referee: Lukas Fähndrich SUI
Assistant Referee 1: Guillaume Maire SUI
Assistant Referee 2: Nicolas Müller SUI
Fourth Official: Nico Gianforte SUI
VAR: Stefan Horisberger SUI
AVAR: Anojen Kanagasingam SUI
Referee Observer: Mark Whitby WAL
Puskas Akademia – ACF Fiorentina
Referee: António Nobre POR
Assistant Referee 1: Pedro Ribeiro POR
Assistant Referee 2: Nélson Pereira POR
Fourth Official: David Silva POR
VAR: Tiago Martins POR
AVAR: Ricardo Baixinho POR
Referee Observer: Jouni Hyytia FIN
Real Betis – Kryvbas Kryvyy Rih
Referee: Igor Pajač CRO
Assistant Referee 1: Ivan Mihalj CRO
Assistant Referee 2: Vedran Djurak CRO
Fourth Official: Dario Bel CRO
VAR: Mario Zebec CRO
AVAR: Tihomir Pejin CRO
Referee Observer: Alan Sant MLT