13-14 August 2019Qarabağ FK – Apoel FC
Referee: Daniel Siebert (GER, photo)
Assistant Referee 1: Jan Seidel (GER)
Assistant Referee 2: Lasse Koslowski (GER)
Fourth Official: Martin Petersen (GER)
Referee Observer: Jørn West Larsen (DEN)
Rosenborg BK – NK Maribor
Referee: Serdar Gözübüyük (NED)
Assistant Referee 1: Charles Schaap (NED)
Assistant Referee 2: Jan de Vries (NED)
Fourth Official: Jeroen Manschot (NED)
Referee Observer: Bo Karlsson (SWE)
Dynamo Kyiv – Club Brugge
Referee: Ivan Bebek (CRO)
Assistant Referee 1: Goran Pataki (CRO)
Assistant Referee 2: Bojan Zobenica (CRO)
Fourth Official: Mario Zebec (CRO)
Referee Observer: Stefan Messner (AUT)
Ferencvárosi TC – GNK Dinamo
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Guillaume Debart (FRA)
Assistant Referee 2: Julien Pacelli (FRA)
Fourth Official: Frank Schneider (FRA)
Referee Observer: Murat Ilgaz (TUR)
FC København – Crvena Zvezda
Referee: Gediminas Mažeika (LTU)
Assistant Referee 1: Vytautas Šimkus (LTU)
Assistant Referee 2: Vytenis Kazlauskas (LTU)
Fourth Official: Robertas Šmitas (LTU)
Referee Observer: Rune Pedersen (NOR)
AFC Ajax – PAOK FC
Referee: Craig Pawson (ENG)
Assistant Referee 1: Lee Betts (ENG)
Assistant Referee 2: Ian Hussin (ENG)
Fourth Official: Andrew Madley (ENG)
Referee Observer: Kostas Kapitanís (CYP)
Olympiakos FC – Medipol Başakşehir
Referee: Robert Madden (SCO)
Assistant Referee 1: Douglas Ross (SCO)
Assistant Referee 2: David Roome (SCO)
Fourth Official: Gregory Aitken (SCO)
Referee Observer: Terje Hauge (NOR)
Linzer ASK – FC Basel
Referee: Aliyar Ağayev (AZE)
Assistant Referee 1: Zeynal Zeynalov (AZE)
Assistant Referee 2: Akif Amirali (AZE)
Fourth Official: Orxan Mammadov (AZE)
Referee Observer: Haim Jakov (ISR)
Celtic FC – CFR Cluj
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonņikovs (LVA)
Fourth Official: Aleksandrs Golubevs (LVA)
Referee Observer: Luciano Luci (ITA)
FC Porto – FC Krasnodar
Referee: Marco Guida (ITA)
Assistant Referee 1: Ciro Carbone (ITA)
Assistant Referee 2: Daniele Bindoni (ITA)
Fourth Official: Fabio Maresca (ITA)
Referee Observer: William Young (SCO)
