30-31 July 2019
Maccabi Tel Aviv – CFR Cluj
Referee: Marco Fritz (GER, photo)
Assistant Referee 1: Christian Gittelmann (GER)
Assistant Referee 2: Dominik Schaal (GER)
Fourth Official: Sven Jablonski (GER)
Referee Observer: Miroslav Liba (CZE)
Nõmme Kalju – Celtic FC
Referee: Benoît Millot (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Stephan Luzi (FRA)
Fourth Official: Willy Delajod (FRA)
Referee Observer: Levan Paniashvili (GEO)
Apoel – Sutjeska
Referee: Roi Reinshreiber (ISR)
Assistant Referee 1: David Biton (ISR)
Assistant Referee 2: Idan Berenshtein (ISR)
Fourth Official: Daniel Natan (ISR)
Referee Observer: Uno Tutk (EST)
Valletta FC – Ferencvárosi TC
Referee: Jonathan Lardot (BEL)
Assistant Referee 1: Florian Lemaire (BEL)
Assistant Referee 2: Romain Devillers (BEL)
Fourth Official: Jasper Vergoote (BEL)
Referee Observer: Paulius Malžinskas (LTU)
GNK Dinamo – FC Saburtalo
Referee: Daniele Doveri (ITA)
Assistant Referee 1: Matteo Passeri (ITA)
Assistant Referee 2: Luca Mondin (ITA)
Fourth Official: Gianpaolo Calvarese (ITA)
Referee Observer: Haim Jakov (ISR)
FC Basel – PSV Eindhoven
Referee: Fábio Veríssimo (POR)
Assistant Referee 1: Nuno Pereira (POR)
Assistant Referee 2: Pedro Martins (POR)
Fourth Official: António Nobre (POR)
Referee Observer: Eugen Strigel (GER)
Olympiakós FC – Viktoria Plzeň
Referee: Juan Martínez Munuera (ESP)
Assistant Referee 1: Diego Barbero Sevilla (ESP)
Assistant Referee 2: César Noval Font (ESP)
Fourth Official: José Sánchez Martínez (ESP)
Referee Observer: Fritz Stuchlik (AUT)
HJK Helsinki – Crvena Zvezda
Referee: Alain Bieri (SUI)
Assistant Referee 1: Alain Heiniger (SUI)
Assistant Referee 2: Efe Kurnazca (SUI)
Fourth Official: Urs Schnyder (SUI)
Referee Observer: Thomas Einwaller (AUT)
Rosenborg BK – Bate Barysaŭ
Referee: Marco Di Bello (ITA)
Assistant Referee 1: Alessandro Costanzo (ITA)
Assistant Referee 2: Sergio Ranghetti (ITA)
Fourth Official: Rosario Abisso (ITA)
Referee Observer: Michális Argyroú (CYP)
Qarabağ – Dundalk
Referee: Svein Oddvar Moen (NOR)
Assistant Referee 1: Magnus Lundberg (NOR)
Assistant Referee 2: Isaak Bashevkin (NOR)
Fourth Official: Sigurd Kringstad (NOR)
Referee Observer: Sabri Çelik (TUR)
AIK – Maribor
Referee: Adrien Jaccottet (SUI)
Assistant Referee 1: Vital Jobin (SUI)
Assistant Referee 2: Matthias Sbrissa (SUI)
Fourth Official: Alessandro Dudic (SUI)
Referee Observer: Lucílio Batista (POR)
FC København – The New Saints FC
Referee: Karim Abed (FRA)
Assistant Referee 1: Cyril Gringore (FRA)
Assistant Referee 2: Mikaël Berchebru (FRA)
Fourth Official: Florent Batta (FRA)
Referee Observer: Robert Małek (POL)