2 October 2018Manchester United – Valencia CF
Referee: Slavko Vinčič (SVN, photo)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Matej Žunič (SVN)
Additional AR 1: Nejc Kajtazovič (SVN)
Additional AR 2: Roberto Ponis (SVN)
Referee Observer: Alexandru Deaconu (ROU)
TSG Hoffenheim – Manchester City
Referee: Damir Skomina (SVN)
Assistant Referee 1: Jure Praprotnik (SVN)
Assistant Referee 2: Robert Vukan (SVN)
Fourth Official: Grega Kordež (SVN)
Additional AR 1: Matej Jug (SVN)
Additional AR 2: Rade Obrenovič (SVN)
Referee Observer: Vítor Melo Pereira (POR)
Juventus – Young Boys
Referee: Sergey Karasev (RUS)
Assistant Referee 1: Igor Demeshko (RUS)
Assistant Referee 2: Aleksey Lunev (RUS)
Fourth Official: Anton Averyanov (RUS)
Additional AR 1: Sergey Ivanov (RUS)
Additional AR 2: Vladimir Moskalev (RUS)
Referee Observer: Guy Goethals (BEL)
Bayern München – AFC Ajax
Referee: Pavel Královec (CZE)
Assistant Referee 1: Ivo Nádvorník (CZE)
Assistant Referee 2: Kamil Hájek (CZE)
Fourth Official: Jiří Moláček (CZE)
Additional AR 1: Petr Ardeleánu (CZE)
Additional AR 2: Karel Hrubeš (CZE)
Referee Observer: Kóstas Kapitanís (CYP)
AEK Athens – SL Benfica
Referee: Orel Grinfeeld (ISR)
Assistant Referee 1: Dvir Shimon (ISR)
Assistant Referee 2: Roy Hassan (ISR)
Fourth Official: Idan Yarkoni (ISR)
Additional AR 1: Erez Papir (ISR)
Additional AR 2: Ziv Adler (ISR)
Referee Observer: Alfredo Trentalange (ITA)
Olympique Lyonnais – Shakhtar Donetsk
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonņikovs (LVA)
Fourth Official: Raimonds Tatriks (LVA)
Additional AR 1: Aleksandrs Golubevs (LVA)
Additional AR 2: Edgars Maļcevs (LVA)
Referee Observer: Herbert Fandel (GER)
CSKA Moskva – Real Madrid
Referee: Ovidiu Hațegan (ROU)
Assistant Referee 1: Octavian Șovre (ROU)
Assistant Referee 2: Sebastian Gheorghe (ROU)
Fourth Official: Radu Ghinguleac (ROU)
Additional AR 1: Radu Petrescu (ROU)
Additional AR 2: Sebastian Colțescu (ROU)
Referee Observer: Stefan Messner (AUT)
AS Roma – Viktoria Plzeň
Referee: Paweł Raczkowski (POL)
Assistant Referee 1: Michał Obukowicz (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Radosław Siejka (POL)
Additional AR 1: Tomasz Musiał (POL)
Additional AR 2: Tomasz Kwiatkowski (POL)
Referee Observer: Ichko Lozev (BUL)
3 October 2018
Paris St. Germain – Crvena Zvezda
Referee: Artur Soares Dias (POR)
Assistant Referee 1: Rui Tavares (POR)
Assistant Referee 2: Paulo Santos (POR)
Fourth Official: Bruno Rodrigues (POR)
Additional AR 1: Tiago Martins (POR)
Additional AR 2: João Pinheiro (POR)
Referee Observer: Manuel Mejuto González (ESP)
Lokomotiv Moskva – FC Schalke
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Adam Nunn (ENG)
Fourth Official: Constantine Hatzidakis (ENG)
Additional AR 1: Stuart Attwell (ENG)
Additional AR 2: Martin Atkinson (ENG)
Referee Observer: Matteo Trefoloni (ITA)
Atlético de Madrid – Club Brugge
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Tomáš Somoláni (SVK)
Assistant Referee 2: Branislav Hancko (SVK)
Fourth Official: Tomáš Mókoš (SVK)
Additional AR 1: Peter Královič (SVK)
Additional AR 2: Filip Glova (SVK)
Referee Observer: Terje Hauge (NOR)
Borussia Dortmund – AS Monaco
Referee: Aleksei Kulbakou (BLR)
Assistant Referee 1: Dzmitry Zhuk (BLR)
Assistant Referee 2: Aleh Maslianka (BLR)
Fourth Official: Yury Khomchanka (BLR)
Additional AR 1: Dzianis Shcharbakou (BLR)
Additional AR 2: Dzmitry Dmitrieu (BLR)
Referee Observer: Jaap Uilenberg (NED)
Tottenham Hotspur – FC Barcelona
Referee: Felix Zwayer (GER)
Assistant Referee 1: Thorsten Schiffner (GER)
Assistant Referee 2: Marco Achmüller (GER)
Fourth Official: Guido Kleve (GER)
Additional AR 1: Tobias Stieler (GER)
Additional AR 2: Sascha Stegemann (GER)
Referee Observer: Alain Hamer (LUX)
PSV Eindhoven – Internazionale Milano
Referee: Milorad Mažić (SRB)
Assistant Referee 1: Milovan Ristić (SRB)
Assistant Referee 2: Dalibor Djurdjević (SRB)
Fourth Official: Nemanja Petrović (SRB)
Additional AR 1: Nenad Djokić (SRB)
Additional AR 2: Danilo Grujić (SRB)
Referee Observer: Geórgios Bíkas (GRE)
SSC Napoli – Liverpool FC
Referee: Viktor Kassai (HUN)
Assistant Referee 1: György Ring (HUN)
Assistant Referee 2: Vencel Tóth (HUN)
Fourth Official: Péter Berettyán (HUN)
Additional AR 1: Tamás Bognár (HUN)
Additional AR 2: Sándor Andó-Szabó (HUN)
Referee Observer: Manuel Díaz Vega (ESP)
FC Porto – Galatasaray
Referee: Michael Oliver (ENG)
Assistant Referee 1: Stuart Burt (ENG)
Assistant Referee 2: Simon Bennett (ENG)
Fourth Official: Stephen Child (ENG)
Additional AR 1: Paul Tierney (ENG)
Additional AR 2: Andre Marriner (ENG)
Referee Observer: Hans Reijgwart (NED)
