28-29 August 2018GNK Dinamo – Young Boys
Referee: Björn Kuipers (NED, photo)
Assistant Referee 1: Sander van Roekel (NED)
Assistant Referee 2: Erwin Zeinstra (NED)
Fourth Official: Charles Schaap (NED)
Additional AR 1: Dennis Higler (NED)
Additional AR 2: Pol van Boekel (NED)
Referee Observer: Manuel Díaz Vega (ESP)
AEK Athens – MOL Vidi
Referee: Szymon Marciniak (POL)
Assistant Referee 1: Paweł Sokolnicki (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Radosław Siejka (POL)
Additional AR 1: Paweł Raczkowski (POL)
Additional AR 2: Tomasz Musiał (POL)
Referee Observer: Eugen Strigel (GER)
Dynamo Kyiv – AFC Ajax
Referee: Damir Skomina (SVN)
Assistant Referee 1: Jure Praprotnik (SVN)
Assistant Referee 2: Robert Vukan (SVN)
Fourth Official: Tomaž Klančnik (SVN)
Additional AR 1: Matej Jug (SVN)
Additional AR 2: Slavko Vinčič (SVN)
Referee Observer: Emil Božinovski (MKD)
Red Bull Salzburg – Crvena Zvezda
Referee: Cüneyt Çakir (TUR)
Assistant Referee 1: Bahattin Duran (TUR)
Assistant Referee 2: Tarik Ongun (TUR)
Fourth Official: Ceyhun Sesigüzel (TUR)
Additional AR 1: Halis Özkahya (TUR)
Additional AR 2: Barış Şimşek (TUR)
Referee Observer: Michael Riley (ENG)
PSV Eindhoven – Bate Borisov
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Adam Nunn (ENG)
Fourth Official: Ian Hussin (ENG)
Additional AR 1: Paul Tierney (ENG)
Additional AR 2: Martin Atkinson (ENG)
Referee Observer: Bertrand Layec (FRA)
PAOK – Benfica
Referee: Felix Brych (GER)
Assistant Referee 1: Mark Borsch (GER)
Assistant Referee 2: Stefan Lupp (GER)
Fourth Official: Markus Häcker (GER)
Additional AR 1: Bastian Dankert (GER)
Additional AR 2: Marco Fritz (GER)
Referee Observer: Fritz Stuchlik (AUT)
