23-24 October 2018Flyeralarm Admira – RSC Anderlecht
Referee: Zbyněk Proske (CZE, photo)
Assistant Referee 1: Radek Kotík (CZE)
Assistant Referee 2: Petr Caletka (CZE)
Fourth Official: Alan Kijas (AUT)
Referee Observer: Stefan Messner (AUT)
Sheriff Tiraspol – Qabala İK
Referee: Timótheos Christofí (CYP)
Assistant Referee 1: Giórgos Sávva (CYP)
Assistant Referee 2: Andréas Michailídis (CYP)
Fourth Official: Ion Orlic (MDA)
Referee Observer: Vladimir Antonov (MDA)
GNK Dinamo – FC Viitorul
Referee: Vitaly Romanov (UKR)
Assistant Referee 1: Oleksandr Korniyko (UKR)
Assistant Referee 2: Valentyn Kutsev (UKR)
Fourth Official: Ivan Vučković (CRO)
Referee Observer: Miroslav Vitković (CRO)
Montpellier HSC – MŠK Žilina
Referee: Christophe Martins (LUX)
Assistant Referee 1: Gilles Becker (LUX)
Assistant Referee 2: Joaquim Gomes (LUX)
Fourth Official: Arnaud Baert (FRA)
Referee Observer: Laurent Duhamel (FRA)
Septemvri Sofia – Dynamo Kyiv
Referee: Michal Očenáš (SVK)
Assistant Referee 1: Michal Tomčík (SVK)
Assistant Referee 2: Peter Bednár (SVK)
Fourth Official: Hristiyana Guteva (BUL)
Referee Observer: Emil Božinovski (MKD)
Lech Poznań – Hertha BSC
Referee: George Găman (ROU)
Assistant Referee 1: George Neacșu (ROU)
Assistant Referee 2: Mihai Marica (ROU)
Fourth Official: Paweł Malec (POL)
Referee Observer: Zbigniew Przesmycki (POL)
Maccabi Tel Aviv – Anzhi Makhachkala
Referee: Krzysztof Jakubik (POL)
Assistant Referee 1: Marek Arys (POL)
Assistant Referee 2: Bartosz Heinig (POL)
Fourth Official: David Fuxman (ISR)
Referee Observer: Haim Jakov (ISR)
Szombathelyi Haladás – FC Minsk
Referee: Suren Baliyan (ARM)
Assistant Referee 1: Mesrop Ghazaryan (ARM)
Assistant Referee 2: Vanik Simonyan (ARM)
Fourth Official: Gergely Kovács (HUN)
Referee Observer: Vencel Tóth (HUN)
KF Vllaznia – FC Astana
Referee: Trustin Farrugia Cann (MLT)
Assistant Referee 1: Roberto Vella (MLT)
Assistant Referee 2: Christopher Francalanza (MLT)
Fourth Official: Olsid Ferataj (ALB)
Referee Observer: Albano Janku (ALB)
HJK Helsinki – Altınordu
Referee: Roomer Tarajev (EST)
Assistant Referee 1: Egerd Pajustik (EST)
Assistant Referee 2: Sander Saga (EST)
Fourth Official: Mohammed Al-Emara (FIN)
Referee Observer: Kaj Natri (FIN)
IF Elfsborg – Knattspyrnufélag
Referee: Nicolas Walsh (SCO)
Assistant Referee 1: David Doig (SCO)
Assistant Referee 2: Calum Spence (SCO)
Fourth Official: Granit Maqedonci (SWE)
Referee Observer: Peter Fröjdfeldt (SWE)
Molde – Chelsea
Referee: Erik Lambrechts (BEL)
Assistant Referee 1: Rien Vanyzere (BEL)
Assistant Referee 2: Pieter Becquet (BEL)
Fourth Official: Sigurd Kringstad (NOR)
Referee Observer: Kjell Alseth (NOR)
PAOK FC – AEL Limassol
Referee: Sándor Andó-Szabó (HUN)
Assistant Referee 1: Tibor Csatári (HUN)
Assistant Referee 2: Norbert Bornemissza (HUN)
Fourth Official: Aristotélis Diamandópoulos (GRE)
Referee Observer: Geórgios Bíkas (GRE)
NK Maribor – Sigma Olomouc
Referee: Yigal Frid (ISR)
Assistant Referee 1: Nati Dotan (ISR)
Assistant Referee 2: Tom Adi (ISR)
Fourth Official: Alen Borošak (SVN)
Referee Observer: Igor Pristovnik (CRO)
Bohemian – Midtjylland
Referee: Lionel Tschudi (SUI)
Assistant Referee 1: Stéphane De Almeida (SUI)
Assistant Referee 2: Matthias Sbrissa (SUI)
Fourth Official: Alan Patchell (IRL)
Referee Observer: Gerard Perry (IRL)
Hamilton Academical – FC Basel
Referee: Rohit Saggi (NOR)
Assistant Referee 1: Geir Isaksen (NOR)
Assistant Referee 2: Runar Langseth (NOR)
Fourth Official: David Munro (SCO)
Referee Observer: William Young (SCO)