26-27 November 2019HSK Zrinjski – FC Midtjylland
Referee: Vitali Romanov (UKR, photo)
Assistant Referee 1: Oleksandr Zhukov (UKR)
Assistant Referee 2: Oleksandr Korniyko (UKR)
Fourth Official: Haris Kaljanac (BIH)
Referee Observer: Elmir Pilav (BIH)
NK Domžale – FC Porto
Referee: Anastasios Papapetrou (GRE)
Assistant Referee 1: Tryfon Petropoulos (GRE)
Assistant Referee 2: Iordanis Aptosoglou (GRE)
Fourth Official: Mitja Žganec (SVN)
Referee Observer: Darko Ceferin (SVN)
PAOK FC – Dynamo Kyiv
Referee: Novak Simović (SRB)
Assistant Referee 1: Nikola Djorovic (SRB)
Assistant Referee 2: Miloš Simovic (SRB)
Fourth Official: Dimitrios Karantonis (GRE)
Referee Observer: Georgios Bikas (GRE)
Sogndal Fotball – Sheriff Tiraspol
Referee: Ivar Kristjansson (ISL)
Assistant Referee 1: Birkir Sigurdarson (ISL)
Assistant Referee 2: Egill Gudlaugsson (ISL)
Fourth Official: Marius Hansen (NOR)
Referee Observer: Kjell Alseth (NOR)
Apoel FC – Real Zaragoza
Referee: Juxhin Xhaja (ALB)
Assistant Referee 1: Ilir Tartaraj (ALB)
Assistant Referee 2: Endrit Veseli (ALB)
Fourth Official: Chrysovalantis Theouli (CYP)
Referee Observer: Michael Argyrou (CYP)
Derby County – IA Akranes
Referee: Tim Marshall (NIR)
Assistant Referee 1: Ryan Kelsey (NIR)
Assistant Referee 2: Andrew Nethery (NIR)
Fourth Official: Martin Coy (ENG)
Referee Observer: Iain Robertson Brines (SCO)
Slovan Bratislava – Rangers FC
Referee: Pavel Orel (CZE)
Assistant Referee 1: Petr Blažej (CZE)
Assistant Referee 2: Kamil Hajek (CZE)
Fourth Official: Bálint Kišš (SVK)
Referee Observer: Ladislav Gadosi (SVK)
Maccabi Petah Tikva – Stade Rennais
Referee: Nikolas Neokleous (CYP)
Assistant Referee 1: Michael Soteriou (CYP)
Assistant Referee 2: Matityahu Yakobov (ISR)
Fourth Official: Aviad Shiloach (ISR)