BSC Young Boys – Maccabi Haifa FC
Referee: Slavko Vinčić (SVN, photo)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Rade Obrenovič (SVN)
VAR: Nejc Kajtazovič (SVN)
AVAR: Alen Borošak (SVN)
Referee Observer: Nicola Rizzoli (ITA)
Galatasaray – Molde FK
Referee: Szymon Marciniak (POL)
Assistant Referee 1: Tomasz Listkiewicz (POL)
Assistant Referee 2: Adam Kupsik (POL)
Fourth Official: Tomasz Musiał (POL)
VAR: Tomasz Kwiatkowski (POL)
AVAR: Pawel Raczkowski (POL)
Referee Observer: Dejan Filipović (SRB)
Panathinaikos – SC Braga
Referee: Daniele Orsato (ITA)
Assistant Referee 1: Ciro Carbone (ITA)
Assistant Referee 2: Alessandro Giallatini (ITA)
Fourth Official: Marco Di Bello (ITA)
VAR: Paolo Valeri (ITA)
AVAR: Eugenio Abbattista (ITA)
Referee Observer: Lutz-Michael Fröhlich (GER)
30 August 2023
AEK – Royal Antwerp
Referee: Jesus Gil Manzano (ESP)
Assistant Referee 1: Diego Barbero Sevilla (ESP)
Assistant Referee 2: Angel Nevado Rodriguez (ESP)
Fourth Official: Pablo Gonzalez Fuertes (ESP)
VAR: Carlos Del Cerro Grande (ESP)
AVAR: Santiago Jaime Latre (ESP)
Referee Observer: Stefan Messner (AUT)
FC Copenhagen – Rakow Czestochowa
Referee: Istvan Kovacs (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Ovidiu Artene (ROU)
Fourth Official: Horațiu Feșnic (ROU)
VAR: Pol van Boekel (NED)
AVAR: Dennis Higler (NED)
Referee Observer: Luis Medina Cantalejo (ESP)
PSV Eindhoven – Rangers FC
Referee: Jose Sanchez Martinez (ESP)
Assistant Referee 1: Pau Cebrian Devis (ESP)
Assistant Referee 2: Iker De Francisco Grijalba (ESP)
Fourth Official: Mario Melero Lopez (ESP)
VAR: Ricardo De Burgos Bengoetchea (ESP)
AVAR: Eduardo Prieto Iglesias (ESP)
Referee Observer: Bertrand Layec (FRA)