Dynamo Kyiv – Chelsea
Referee: Tobias Stieler (GER, photo)
Assistant Referee 1: Mike Pickel (GER)
Assistant Referee 2: Christian Gittelmann (GER)
Fourth Official: Jan Seidel (GER)
Additional AR 1: Marco Fritz (GER)
Additional AR 2: Harm Osmers (GER)
Referee Observer: Alain Hamer (LUX)
Red Bull Salzburg – SSC Napoli
Referee: Carlos Del Cerro Grande (ESP)
Assistant Referee 1: Juan Yuste Jiménez (ESP)
Assistant Referee 2: Roberto Alonso Fernández (ESP)
Fourth Official: Diego Barbero Sevilla (ESP)
Additional AR 1: Juan Martínez Munuera (ESP)
Additional AR 2: Ricardo de Burgos Bengoetxea (ESP)
Referee Observer: Herbert Fandel (GER)
Krasnodar – Valencia
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Adam Nunn (ENG)
Fourth Official: Lee Betts (ENG)
Additional AR 1: Stuart Attwell (ENG)
Additional AR 2: Martin Atkinson (ENG)
Referee Observer: Robert Sedlacek (AUT)
Inter Milano – Eintracht Frankfurt
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: Juan Fernández Marín (ESP)
SL Benfica – GNK Dinamo
Referee: Deniz Aytekin (GER)
Assistant Referee 1: Eduard Beitinger (GER)
Assistant Referee 2: Rafael Foltyn (GER)
Fourth Official: Markus Häcker (GER)
Additional AR 1: Christian Dingert (GER)
Additional AR 2: Benjamin Cortus (GER)
Referee Observer: Vladimir Antonov (MDA)
Slavia Praha – Sevilla FC
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 Dzmitryeu (BLR)
Referee Observer: Levan Paniashvili (GEO)
Arsenal – Stade Rennais
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: Kostas Kapitanís (CYP)
Villarreal – Zenit
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: Leslie Irvine (NIR)