10-11 July 2018 Flora Tallinn – Hapoel Beer Sheva
Referee: Erik Lambrechts (BEL, photo)
Assistant Referee 1: Thibaud Nijssen (BEL)
Assistant Referee 2: Pieter Becquet (BEL)
Fourth Official: Nathan Verboomen (BEL)
Referee Observer: Elmir Pilav (BIH)
Torpedo Kutaisi – FC Sheriff
Referee: Aleksandrs Golubevs (LVA)
Assistant Referee 1: Jevgeņijs Morozovs (LVA)
Assistant Referee 2: Raimonds Tatriks (LVA)
Fourth Official: Andris Treimanis (LVA)
Referee Observer: Tomasz Mikulski (POL)
F91 Dudelange – Videoton FC
Referee: Zaven Hovhannisyan (ARM)
Assistant Referee 1: Mesrop Ghazaryan (ARM)
Assistant Referee 2: Atom Sevgulyan (ARM)
Fourth Official: Suren Baliyan (ARM)
Referee Observer: Manuel Diaz Vega (ESP)
Alashkert – Celtic
Referee: Danilo Grujić (SRB)
Assistant Referee 1: Vladimir Jovanović (SRB)
Assistant Referee 2: Dragan Bogićević (SRB)
Fourth Official: Novak Simović (SRB)
Referee Observer: Stefano Podeschi (SMR)
Víkingur – HJK Helsinki
Referee: Robert Hennessy (IRL)
Assistant Referee 1: Allen Lynch (IRL)
Assistant Referee 2: Dermot Broughton (IRL)
Fourth Official: Robert Rogers (IRL)
Referee Observer: Jon Skjervold (NOR)
KF Shkëndija – The New Saints
Referee: Timótheos Christofí (CYP)
Assistant Referee 1: Michális Sotiríou (CYP)
Assistant Referee 2: Charálampos Georgíou (CYP)
Fourth Official: Chrysovalándis Theoulí (CYP)
Referee Observer: Stefan Messner (AUT)
Cork City – Legia Warszawa
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Marcel Bîrsan (ROU)
Referee Observer: Domenico Messina (ITA)
FC Astana – FK Sutjeska
Referee: Ferenc Karakó (HUN)
Assistant Referee 1: István Albert (HUN)
Assistant Referee 2: Péter Kóbor (HUN)
Fourth Official: Péter Solymosi (HUN)
Referee Observer: Michael Ross (NIR)
FK Sūduva – Apoel FC
Referee: Fedayi San (SUI)
Assistant Referee 1: Stéphane De Almeida (SUI)
Assistant Referee 2: Sladan Josipovic (SUI)
Fourth Official: Lionel Tschudi (SUI)
Referee Observer: Levan Paniashvili (GEO)
Spartaks Jūrmala – Crvena Zvezda
Referee: Mykola Balakin (UKR)
Assistant Referee 1: Volodymyr Vysotskyy (UKR)
Assistant Referee 2: Viktor Matyash (UKR)
Fourth Official: Anatoli Abdula (UKR)
Referee Observer: Charles Agius (MLT)
Spartak Trnava – HŠK Zrinjski
Referee: Dzianis Shcharbakou (BLR)
Assistant Referee 1: Yuri Khomchanka (BLR)
Assistant Referee 2: Andrey Hetsikau (BLR)
Fourth Official: Siarhey Tsynkevich (BLR)
Referee Observer: Eyjólfur Ólafsson (ISL)
PFC Ludogorets – Crusaders FC
Referee: Dumitru Muntean (MDA)
Assistant Referee 1: Andrei Bodean (MDA)
Assistant Referee 2: Vladislav Lifciu (MDA)
Fourth Official: Vladislav Ivancenco (MDA)
Referee Observer: Michális Argyroú (CYP)
FK Kukësi – Valletta FC
Referee: Thóroddur Hjaltalín (ISL)
Assistant Referee 1: Frosti Gunnarsson (ISL)
Assistant Referee 2: Oddur Gudmundsson (ISL)
Fourth Official: Thorvaldur Árnason (ISL)
Referee Observer: Muharrem Aksoy (TUR)
Olimpija Ljubljana – Qarabağ FK
Referee: Lawrence Visser (BEL)
Assistant Referee 1: Karel De Rocker (BEL)
Assistant Referee 2: Jo De Weirdt (BEL)
Fourth Official: Bram Van Driessche (BEL)
Referee Observer: Paulius Malžinskas (LTU)
Valur Reykjavík – Rosenborg BK
Referee: Rade Obrenovič (SVN)
Assistant Referee 1: Grega Kordež (SVN)
Assistant Referee 2: Tomislav Pospeh (SVN)
Fourth Official: Asmir Sagrkovič (SVN)
Referee Observer: Jens Larsen (DEN)
