Olympiakos SFP – Ferencvarosi TC
Referee: Glenn Nyberg SWE (photo)
Assistant Referee 1: Mehmet Culum SWE
Assistant Referee 2: Andreas Söderqvist SWE
Fourth Official: Fredrik Klitte SWE
VAR: Marco Fritz GER
AVAR: Sören Storks GER
Referee Observer: Björn Kuipers NED
Sturm Graz – Slovan Bratislava
Referee: Mohammed Al-Hakim SWE
Assistant Referee 1: Fredrik Klyver SWE
Assistant Referee 2: Max Wilde SWE
Fourth Official: Oscar Johnson SWE
VAR: Fedayi San SUI
AVAR: Lukas Fähndrich SUI
Referee Observer: Stefano Podeschi SMR
Union St. Gilloise – Eintracht Frankfurt
Referee: Craig Pawson ENG
Assistant Referee 1: Lee Betts ENG
Assistant Referee 2: Ian Hussin ENG
Fourth Official: Simon Hooper ENG
VAR: Stuart Attwell ENG
AVAR: Christopher Kavanagh ENG
Referee Observer: Levan Paniashvili GEO
Molde FK – Legia Warszawa
Referee: Enea Jorgji ALB
Assistant Referee 1: Denis Rexha ALB
Assistant Referee 2: Ridiger Cokaj ALB
Fourth Official: Eldorjan Hamiti ALB
VAR: Luca Pairetto ITA
AVAR: Michael Fabbri ITA
Referee Observer: Alain Sars FRA
Servette FC – PFK Ludogorets
Referee: Filip Glova SVK
Assistant Referee 1: Daniel Polaček SVK
Assistant Referee 2: Peter Bednar SVK
Fourth Official: Martin Dohal SVK
VAR: Marco Di Bello ITA
AVAR: Michal Očenaš SVK
Referee Observer: Alan Sant MLT
Real Betis – GNK Dinamo
Referee: Mykola Balakin UKR
Assistant Referee 1: Oleksandr Berkut UKR
Assistant Referee 2: Dmytro Zaporozhenko UKR
Fourth Official: Viktor Kopiyevskyy UKR
VAR: Maurizio Mariani ITA
AVAR: Kateryna Monzul UKR
Referee Observer: Georgios Bikas GRE
AFC Ajax – FK Bodo Glimt
Referee: Antonio Carvalho POR
Assistant Referee 1: Paulo Bras POR
Assistant Referee 2: Pedro Martins POR
Fourth Official: Helder Carvalho POR
VAR: Tiago Martins POR
AVAR: Luis Godinho POR
Referee Observer: Karen Nalbandyan ARM
Maccabi Haifa – KAA Gent
Referee: William Collum SCO
Assistant Referee 1: Francis Connor SCO
Assistant Referee 2: David McGeachie SCO
Fourth Official: David Dickinson SCO
VAR: David Coote ENG
AVAR: Andrew Dallas SCO
Referee Observer: Augustus Constantin ROU
