14-15 August 2018Fenerbahçe – Benfica
Referee: Slavko Vinčič (SVN, photo)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Roberto Ponis (SVN)
Referee Observer: Nikolai Levnikov (RUS)
Dynamo Kyiv – Slavia Praha
Referee: Daniel Stefański (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Dawid Golis (POL)
Fourth Official: Zbigniew Dobrynin (POL)
Referee Observer: Vladimir Antonov (MDA)
Bate Borisov – Qarabağ
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonņikovs (LVA)
Fourth Official: Aleksandrs Golubevs (LVA)
Referee Observer: Francesco Bianchi (SUI)
Spartak Moskva – PAOK
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Guillaume Debart (FRA)
Assistant Referee 2: Julien Pacelli (FRA)
Fourth Official: Jérôme Miguelgorry (FRA)
Referee Observer: Oğuz Sarvan (TUR)
AEK Athens – Celtic
Referee: Vladislav Bezborodov (RUS)
Assistant Referee 1: Valeri Danchenko (RUS)
Assistant Referee 2: Maksim Gavrilin (RUS)
Fourth Official: Sergey Ivanov (RUS)
Referee Observer: Sándor Piller (HUN)
GNK Dinamo – FC Astana
Referee: Gediminas Mažeika (LTU)
Assistant Referee 1: Vytautas Šimkus (LTU)
Assistant Referee 2: Vytenis Kazlauskas (LTU)
Fourth Official: Jurij Paškovskij (LTU)
Referee Observer: Marinus Koopman (NED)
MOL Vidi – Malmö FF
Referee: Javier Estrada Fernández (ESP)
Assistant Referee 1: Javier Aguilar Rodríguez (ESP)
Assistant Referee 2: Teodoro Sobrino Magán (ESP)
Fourth Official: Javier Alberola Rojas (ESP)
Referee Observer: Darko Čeferin (SVN)
KF Shkëndija – Red Bull Salzburg
Referee: Tamás Bognár (HUN)
Assistant Referee 1: Balázs Buzás (HUN)
Assistant Referee 2: Theodoros Georgiou (HUN)
Fourth Official: Péter Solymosi (HUN)
Referee Observer: Alan Freeland (SCO)
Spartak Trnava – Crvena Zvezda
Referee: Serdar Gözübüyük (NED)
Assistant Referee 1: Davie Goossens (NED)
Assistant Referee 2: Bas van Dongen (NED)
Fourth Official: Jeroen Manschot (NED)
Referee Observer: Herbert Fandel (GER)
AFC Ajax – Standard de Liège
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Tomáš Somoláni (SVK)
Assistant Referee 2: Branislav Hancko (SVK)
Fourth Official: Filip Glova (SVK)
Referee Observer: Miroslav Liba (CZE)
