HJK Helsinki – Farul Constanta
Referee: Sebastian Gishamer (AUT, photo)
Assistant Referee 1: Roland Riedel (AUT)
Assistant Referee 2: Santino Schreiner (AUT)
Fourth Official: Walter Altmann (AUT)
VAR: Alan Kijas (AUT)
AVAR: Josef Spurny (AUT)
Referee Observer: Boško Jovanetić (SRB)
FK Bodo Glimt – Sepsi Sf. Gheorghe
Referee: Robert Harvey (IRL)
Assistant Referee 1: Robert Clarke (IRL)
Assistant Referee 2: Wayne McDonnell (IRL)
Fourth Official: Paul McLaughlin (IRL)
VAR: Jarred Gillett (AUS)
AVAR: David Coote (ENG)
Referee Observer: Thoroddur Hjaltalin (ISL)
Breidablik – Struga Trim Lum
Referee: Daniel Schlager (GER)
Assistant Referee 1: Lasse Koslowski (GER)
Assistant Referee 2: Sven Waschitzki (GER)
Fourth Official: Patrick Ittrich (GER)
VAR: Sascha Stegemann (GER)
AVAR: Katrin Rafalski (GER)
Referee Observer: Volodymyr Petrov (UKR)
FC Twente – Fenerbahce
Referee: Fabio Maresca (ITA)
Assistant Referee 1: Davide Imperiale (ITA)
Assistant Referee 2: Giuseppe Perrotti (ITA)
Fourth Official: Luca Massimi (ITA)
VAR: Gianluca Aureliano (ITA)
AVAR: Antonio Di Martino (ITA)
Referee Observer: John Ward (IRL)
Apoel – KAA Gent
Referee: Rohit Saggi (NOR)
Assistant Referee 1: Morten Jensen (NOR)
Assistant Referee 2: Anders Dale (NOR)
Fourth Official: Mohammad Aslam (NOR)
VAR: Ivan Bebek (CRO)
AVAR: Mario Zebec (CRO)
Referee Observer: Joao Ferreira (POR)
Viktoria Plzen – Tobyl FK
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Manuel Vidali (SVN)
Fourth Official: David Šmajc (SVN)
VAR: Rade Obrenović (SVN)
AVAR: Asmir Sagrković (SVN)
Referee Observer: Gunnar Jonsson (ISL)
SK Brann – AZ Alkmaar
Referee: Gergő Bogar (HUN)
Assistant Referee 1: Theodoros Georgiou (HUN)
Assistant Referee 2: Balazs Szalai (HUN)
Fourth Official: Adam Farkas (HUN)
VAR: Istvan Vad (HUN)
AVAR: Katalin Kulcsar (HUN)
Referee Observer: Gediminas Mažeika (LTU)
PAOK – Heart of Midlothian
Referee: Guillermo Cuadra Fernandez (ESP)
Assistant Referee 1: Guadalupe Porras Ayuso (ESP)
Assistant Referee 2: Alejandro Estevez Iglesias (ESP)
Fourth Official: Miguel Ortiz Arias (ESP)
VAR: Maurizio Mariani (ITA)
AVAR: Lorenzo Maggioni (ITA)
Referee Observer: Alan Sant (MLT)
Bate Borisov – FC Ballkani
Referee: Juri Frischer (EST)
Assistant Referee 1: Veiko Motsnik (EST)
Assistant Referee 2: Sander Saga (EST)
Fourth Official: Kristo Külljastinen (EST)
VAR: Pawel Pskit (POL)
AVAR: Pawel Malec (POL)
Referee Observer: Gevorg Hovhannisyan (ARM)
Ferencvarosi TC – Zalgiris Vilnius
Referee: Urs Schnyder (SUI)
Assistant Referee 1: Marco Zürcher (SUI)
Assistant Referee 2: Benjamin Zürcher (SUI)
Fourth Official: Sven Wolfensberger (SUI)
VAR: Lukas Fähndrich (SUI)
AVAR: Lionel Tschudi (SUI)
Referee Observer: Marian Ružbarsky (SVK)
FK Partizani – Astana FK
Referee: Abdulkadir Bitigen (TUR)
Assistant Referee 1: Ceyhun Sesigüzel (TUR)
Assistant Referee 2: Mustafa Savranlar (TUR)
Fourth Official: Bahattin Şimşek (TUR)
VAR: Alper Ulusoy (TUR)
AVAR: Koray Gençerler (TUR)
Referee Observer: Stefan Johannesson (SWE)
Besiktas – Dynamo Kyiv
Referee: Joao Pinheiro (POR)
Assistant Referee 1: Bruno Jesus (POR)
Assistant Referee 2: Luciano Maia (POR)
Fourth Official: Claudio Pereira (POR)
VAR: Helder Malheiro (POR)
AVAR: Miguel Nogueira (POR)
Referee Observer: Vlado Svilokos (CRO)
SK Dnipro – Spartak Trnava
Referee: Balazs Berke (HUN)
Assistant Referee 1: Balazs Buzas (HUN)
Assistant Referee 2: Balazs Szert (HUN
Fourth Official: Bence Csonka (HUN)
VAR: Cătălin Popa (ROU)
AVAR: Andrei Chivulete (ROU)
Referee Observer: Martin Atkinson (ENG)
Adana Demirspor – KRC Genk
Referee: Jose Munuera Montero (ESP)
Assistant Referee 1: Inigo Prieto Lopez (ESP)
Assistant Referee 2: Antonio Martinez Moreno (ESP)
Fourth Official: Jorge Figueroa Vazquez (ESP)
VAR: Cesar Soto Grado (ESP)
AVAR: Javier Alberola Rojas (ESP)
Referee Observer: Ruud Bossen (NED)
ACF Fiorentina – Rapid Wien
Referee: Novak Simović (SRB)
Assistant Referee 1: Nikola Djorović (SRB)
Assistant Referee 2: Miloš Simović (SRB)
Fourth Official: Lazar Lukić (SRB)
VAR: Momčilo Marković (SRB)
AVAR: Aleksandar Živković (SRB)
Referee Observer: Petteri Kari (FIN)
NK Celje – Maccabi Tel Aviv
Referee: Jeremie Pignard (FRA)
Assistant Referee 1: Aurelien Drouet (FRA)
Assistant Referee 2: Laurent Coniglio (FRA)
Fourth Official: Florent Batta (FRA)
VAR: Pierre Gaillouste (FRA)
AVAR: Bastien Dechepy (FRA)
Referee Observer: Pavel Salii (KAZ)
HNK Rijeka – LOSC Lille
Referee: Luis Godinho (POR)
Assistant Referee 1: Rui Teixeira (POR)
Assistant Referee 2: Pedro Mota (POR)
Fourth Official: Helder Carvalho (POR)
VAR: Hugo Miguel (POR)
AVAR: Andre Narciso (POR)
Referee Observer: Edward Foley (IRL)
Eintracht Frankfurt – PFK Levski
Referee: Allard Lindhout (NED)
Assistant Referee 1: Rogier Honig (NED)
Assistant Referee 2: Patrick Inia (NED)
Fourth Official: Sander van der Eijk (NED)
VAR: Jeroen Manschot (NED)
AVAR: Clay Ruperti (NED)
Referee Observer: Draženko Kovačić (CRO)
Club Brugge – CA Osasuna
Referee: Daniel Stefanski (POL)
Assistant Referee 1: Dawid Golis (POL)
Assistant Referee 2: Michal Obukowicz (POL)
Fourth Official: Wojciech Myc (POL)
VAR: Piotr Lasyk (POL)
AVAR: Krzysztof Myrmus (POL)
Referee Observer: Murat Ilgaz (TUR)
Legia Warszawa – FC Midtjylland
Referee: Simone Sozza (ITA)
Assistant Referee 1: Marco Bresmes (ITA)
Assistant Referee 2: Valerio Colarossi (ITA)
Fourth Official: Antonio Giua (ITA)
VAR: Aleandro Di Paolo (ITA)
AVAR: Matteo Gariglio (ITA)
Referee Observer: Fredy Fautrel (FRA)
Aston Villa – Hibernian FC
Referee: Luca Pairetto (ITA)
Assistant Referee 1: Giovanni Baccini (ITA)
Assistant Referee 2: Alessio Berti (ITA)
Fourth Official: Davide Ghersini (ITA)
VAR: Daniele Chiffi (ITA)
AVAR: Paolo Mazzoleni (ITA)
Referee Observer: Tony Asumaa (FIN)
FK Partizan – FC Nordsjaelland
Referee: Kevin Clancy (SCO)
Assistant Referee 1: Graeme Stewart (SCO)
Assistant Referee 2: Jonathan Bell (SCO)
Fourth Official: Christopher Graham (SCO)
VAR: Nicholas Walsh (SCO)
AVAR: David Dickinson (SCO)
Referee Observer: Sabri Çelik (TUR)
