21-22 February 2018
CSKA Moskva – Crvena Zvezda
Referee: Manuel de Sousa (POR, photo)
Assistant Referee 1: Ricardo Santos (POR)
Assistant Referee 2: Nuno Pereira (POR)
Additional AR 1: Fabio Veríssimo (POR)
Additional AR 2: Luis Godinho (POR)
Fourth Official: Rui Teixeira (POR)
Referee Observer: Ilkka Koho (FIN)
Lokomotiv Moskva – OGC Nice
Referee: Pavel Královec (CZE)
Assistant Referee 1: Roman Slyško (SVK)
Assistant Referee 2: Ivo Nádvorník (CZE)
Additional AR 1: Petr Ardeleánu (CZE)
Additional AR 2: Karel Hrubeš (CZE)
Fourth Official: Jiří Moláček (CZE)
Referee Observer: Frank De Bleeckere (BEL)
Sporting – Astana
Referee: Tamás Bognár (HUN)
Assistant Referee 1: Balázs Buzás (HUN)
Assistant Referee 2: Theodoros Georgiou (HUN)
Additional AR 1: Ádám Farkas (HUN)
Additional AR 2: Péter Solymosi (HUN)
Fourth Official: Péter Kóbor (HUN)
Referee Observer: Zbigniew Przesmycki (POL)
Lazio – FCSB
Referee: Slavko Vinčič (SVN)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Additional AR 1: Rade Obrenovič (SVN)
Additional AR 2: Roberto Ponis (SVN)
Fourth Official: Grega Kordež (SVN)
Referee Observer: Herbert Fandel (GER)
Viktoria Plzeň – Partizan
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Lars Hummelgaard (DEN)
Assistant Referee 2: Heine Sørensen (DEN)
Additional AR 1: Michael Tykgaard (DEN)
Additional AR 2: Jens Maae (DEN)
Fourth Official: Christian Brixen (DEN)
Referee Observer: Uno Tutk (GER)
Villarreal – Olympique Lyonnais
Referee: Luca Banti (ITA)
Assistant Referee 1: Alessandro Giallatini (ITA)
Assistant Referee 2: Alessandro Costanzo (ITA)
Additional AR 1: Paolo Valeri (ITA)
Additional AR 2: Daniele Doveri (ITA)
Fourth Official: Riccardo Di Fiore (ITA)
Referee Observer: László Vágner (HUN)
RB Leipzig – SSC Napoli
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Adam Nunn (ENG)
Additional AR 1: Craig Pawson (ENG)
Additional AR 2: Stuart Attwell (ENG)
Fourth Official: Stephen Child (ENG)
Referee Observer: Alain Hamer (LUX)
Zenit – Celtic
Referee: Antonio Mateu Lahoz (ESP)
Assistant Referee 1: Pau Cebrián Devís (ESP)
Assistant Referee 2: Roberto Díaz Pérez (ESP)
Additional AR 1: Carlos Del Cerro Grande (ESP)
Additional AR 2: Alejandro Hernández Hernández (ESP)
Fourth Official: Teodoro Sobrino Magán (ESP)
Referee Observer: Rune Pedersen (NOR)
Dynamo Kyiv – AEK Athens
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Manuel Vidali (SVN)
Additional AR 1: Nejc Kajtazovič (SVN)
Additional AR 2: Dejan Balažič (SVN)
Fourth Official: Tomislav Pospeh (SVN)
Referee Observer: Elmir Pilav (BIH)
Atlético de Madrid – FC København
Referee: Gediminas Mažeika (LTU)
Assistant Referee 1: Vytautas Šimkus (LTU)
Assistant Referee 2: Vytenis Kazlauskas (LTU)
Additional AR 1: Donatas Rumšas (LTU)
Additional AR 2: Robertas Valikonas (LTU)
Fourth Official: Dovydas Sužiedėlis (LTU)
Referee Observer: Murat Ilgaz (TUR)
SC Braga – Olympique de Marseille
Referee: Svein Oddvar Moen (NOR)
Assistant Referee 1: Kim Haglund (NOR)
Assistant Referee 2: Magnus Lundberg (NOR)
Additional AR 1: Tore Hansen (NOR)
Additional AR 2: Ola Hobber Nilsen (NOR)
Fourth Official: Jon-Michael Knutsen (NOR)
Referee Observer: John Ward (IRL)
Arsenal – Östersunds
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Branislav Hancko (SVK)
Assistant Referee 2: Martin Balko (SVK)
Additional AR 1: Peter Kralović (SVK)
Additional AR 2: Filip Glova (SVK)
Fourth Official: František Ferenc (SVK)
Referee Observer: Darko Čeferin (SVN)
AC Milan – Ludogorets
Referee: Alberto Undiano Mallenco (ESP)
Assistant Referee 1: Roberto Alonso Fernández (ESP)
Assistant Referee 2: Juan Yuste Jiménez (ESP)
Additional AR 1: Juan Martínez Munuera (ESP)
Additional AR 2: José Sánchez Martínez (ESP)
Fourth Official: Raúl Cabañero Martínez (ESP)
Referee Observer: Serhey Zuev (RUS)
FC Salzburg – Real Sociedad
Referee: Sergey Karasev (RUS)
Assistant Referee 1: Anton Averyanov (RUS)
Assistant Referee 2: Tikhon Kalugin (RUS)
Additional AR 1: Sergey Lapochkin (RUS)
Additional AR 2: Sergey Ivanov (RUS)
Fourth Official: Igor Demeshko (RUS)
Referee Observer: Miroslav Tulinger (CZE)
Athletic Club – Spartak Moskva
Referee: Tobias Stieler (GER)
Assistant Referee 1: Rafael Foltyn (GER)
Assistant Referee 2: Jan Seidel (GER)
Additional AR 1: Patrick Ittrich (GER)
Additional AR 2: Harm Osmers (GER)
Fourth Official: Christian Gittelmann (GER)
Referee Observer: Rodger Gifford (WAL)
Atalanta Bergamasca – Borussia Dortmund
Referee: Jesús Gil Manzano (ESP)
Assistant Referee 1: Ángel Nevado Rodríguez (ESP)
Assistant Referee 2: Diego Barbero Sevilla (ESP)
Additional AR 1: Javier Estrada Fernández (ESP)
Additional AR 2: Ricardo De Burgos Bengoetxea (ESP)
Fourth Official: Miguel Martínez Munuera (ESP)
Referee Observer: Bo Karlsson (SWE)