Ludogorets – Qarabag
Referee: Simone Sozza ITA (photo)
Assistant Referee 1: Giorgio Peretti ITA
Assistant Referee 2: Davide Imperiale ITA
Fourth Official: Matteo Marchetti ITA
VAR: Gianluca Aureliano ITA
AVAR: Marco Serra ITA
Referee Observer: Paweł Gil POL
Ferencvarosi TC – FC Midtjylland
Referee: Orel Grinfeld ISR
Assistant Referee 1: Roi Hassan ISR
Assistant Referee 2: Idan Yarkoni ISR
Fourth Official: Gal Leibovitz ISR
VAR: Ziv Adler ISR
AVAR: Eli Hakmon ISR
Referee Observer: Drago Kos SVN
Apoel – Slovan
Referee: Sascha Stegemann GER
Assistant Referee 1: Christian Dietz GER
Assistant Referee 2: Christof Günsch GER
Fourth Official: Tobias Reichel GER
VAR: Pascal Müller GER
AVAR: Katrin Rafalski GER
Referee Observer: Hannes Kaasik EST
Bodo Glimt – Jagiellonia
Referee: Benoît Bastien FRA
Assistant Referee 1: Hicham Zakrani FRA
Assistant Referee 2: Aurélien Berthomieu FRA
Fourth Official: Thomas Léonard FRA
VAR: Benoît Millot FRA
AVAR: Bastien Dechepy FRA
Referee Observer: Robert Schörgenhofer AUT
Fenerbahce – Lille
Referee: José Sánchez Martínez ESP
Assistant Referee 1: Íñigo Prieto López ESP
Assistant Referee 2: Juan López Mir ESP
Fourth Official: Guillermo Cuadra Fernández ESP
VAR: Juan Martínez Munuera ESP
AVAR: Raúl Cabañero Martínez ESP
Referee Observer: Levan Paniashvili GEO
Twente – Salzburg
Referee: Irfan Peljto BIH
Assistant Referee 1: Senad Ibrišimbegović BIH
Assistant Referee 2: Davor Beljo BIH
Fourth Official: Miloš Gigović BIH
VAR: Nejc Kajtazovič SVN
AVAR: Rade Obrenovič SVN
Referee Observer: Murat Ilgaz TUR
PAOK – Malmo
Referee: Marco Di Bello ITA
Assistant Referee 1: Giovanni Baccini ITA
Assistant Referee 2: Andrea Zingarelli ITA
Fourth Official: Giovanni Ayroldi ITA
VAR: Valerio Marini ITA
AVAR: Francesco Meraviglia ITA
Referee Observer: Vladimir Antonov MDA
FCSB – Sparta Praha
Referee: Morten Krogh DEN
Assistant Referee 1: Dennis Rasmussen DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Mikkel Redder DEN
VAR: Pol van Boekel NED
AVAR: Jochem Kamphuis NED
Referee Observer: Elmir Pilav BIH
Union St. Gilloise – Slavia Praha
Referee: Srdjan Jovanović SRB
Assistant Referee 1: Uroš Stojković SRB
Assistant Referee 2: Milan Mihajlović SRB
Fourth Official: Novak Simović SRB
VAR: Momčilo Marković SRB
AVAR: Jelena Cvetković SRB
Referee Observer: Stefan Johannesson SWE
Rangers FC – Dynamo Kyiv
Referee: Marco Guida ITA
Assistant Referee 1: Filippo Meli ITA
Assistant Referee 2: Stefano Alassio ITA
Fourth Official: Ermanno Feliciani ITA
VAR: Aleandro Di Paolo ITA
AVAR: Daniele Paterna ITA
Referee Observer: Neale Barry ENG
Assistant Referee 1: Filippo Meli ITA
Assistant Referee 2: Stefano Alassio ITA
Fourth Official: Ermanno Feliciani ITA
VAR: Aleandro Di Paolo ITA
AVAR: Daniele Paterna ITA
Referee Observer: Neale Barry ENG