Istanbul Başakşehir – KAA Gent
Referee: Benoît Bastien (FRA, photo)
Assistant Referee 1: Hicham Zakrani (FRA)
Assistant Referee 2: Aurelien Berthomieu (FRA)
Fourth Official: Jeremie Pignard (FRA)
VAR: Willy Delajod (FRA)
AVAR: Stephanie Frappart (FRA)
Referee Observer: Boško Jovanetić (SRB)
Sivasspor – ACF Fiorentina
Referee: Nikola Dabanović (MNE)
Assistant Referee 1: Vladan Todorović (MNE)
Assistant Referee 2: Srdjan Jovanovic (MNE)
Fourth Official: Miloš Bošković (MNE)
VAR: Harm Osmers (GER)
AVAR: Katrin Rafalski (GER)
Referee Observer: Raymond Ellingham (WAL)
Djurgardens IF – Lech Poznan
Referee: Duje Strukan (CRO)
Assistant Referee 1: Bojan Zobenica (CRO)
Assistant Referee 2: Alen Jakšić (CRO)
Fourth Official: Igor Pajac (CRO)
VAR: Ivan Bebek (CRO)
AVAR: Fran Jović (CRO)
Referee Observer: Fredy Fautrel (FRA)
Slovan Bratislava – FC Basel
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Lars Hummelgaard (DEN)
Assistant Referee 2: Victor Skytte (DEN)
Fourth Official: Morten Krogh (DEN)
VAR: Christopher Kavanagh (ENG)
AVAR: Darren England (ENG)
Referee Observer: Itchko Lozev (BUL)
West Ham – AEK Larnaca
Referee: Georgi Kabakov (BUL)
Assistant Referee 1: Martin Margaritov (BUL)
Assistant Referee 2: Diyan Valkov (BUL)
Fourth Official: Radoslav Gidzhenov (BUL)
VAR: Fedayi San (SUI)
AVAR: Lionel Tschudi (SUI)
Referee Observer: David Malcom (NIR)
Alkmaar – Lazio
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Manuel Vidali (SVN)
Fourth Official: Asmir Sagrković (SVN)
VAR: Rade Obrenovič (SVN)
AVAR: Nejc Kajtazovič (SVN)
Referee Observer: Gylfi Orasson (ISL)
OGC Nice – FC Sheriff
Referee: Lawrence Visser (BEL)
Assistant Referee 1: Rien Vanyzere (BEL)
Assistant Referee 2: Thibaud Nijssen (BEL)
Fourth Official: Lothar D’Hondt (BEL)
VAR: Nathan Verboomen (BEL)
AVAR: Bram Van Driesche (BEL)
Referee Observer: Drago Kos (SVN)
Villarreal CF – RSC Anderlecht
Referee: Marco Di Bello (ITA)
Assistant Referee 1: Alberto Tegoni (ITA)
Assistant Referee 2: Giovanni Baccini (ITA)
Fourth Official: Rosario Abisso (ITA)
VAR: Maurizio Mariani (ITA)
AVAR: Michael Fabbri (ITA)
Referee Observer: Michalis Argyrou (CYP)
