FC Barcelona – SSC Napoli
Referee: Istvan Kovacs (ROU, photo)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Ovidiu Artene (ROU)
Fourth Official: Horațiu Feșnic (ROU)
VAR: Bastian Dankert (GER)
AVAR: Christian Dingert (GER)
Referee Observer: Murat Ilgaz (TUR)
FC Zenit – Real Betis
Referee: Benoît Bastien (FRA)
Assistant Referee 1: Benjamin Pages (FRA)
Assistant Referee 2: Aurelien Drouet (FRA)
Fourth Official: Jeremie Pignard (FRA)
VAR: Benoît Millot (FRA)
AVAR: Amaury Delerue (FRA)
Referee Observer: Martin Ingvarsson (SWE)
Borussia Dortmund – Rangers FC
Referee: Clément Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Fourth Official: Ruddy Buquet (FRA)
VAR: Jerôme Brisard (FRA)
AVAR: Willy Delajod (FRA)
Referee Observer: Marian Ružbarsky (SVK)
Sheriff Tiraspol – SC Braga
Referee: Danny Makkelie (NED)
Assistant Referee 1: Hessel Steegstra (NED)
Assistant Referee 2: Jan de Vries (NED)
Fourth Official: Allard Lindhout (NED)
VAR: Jochem Kamphuis (NED)
AVAR: Rob Dieperink (NED)
Referee Observer: Zbigniew Przesmycki (POL)
Sevilla FC – GNK Dinamo
Referee: Marco Guida (ITA)
Assistant Referee 1: Filippo Meli (ITA)
Assistant Referee 2: Giorgio Peretti (ITA)
Fourth Official: Luca Pairetto (ITA)
VAR: Paolo Valeri (ITA)
AVAR: Daniele Doveri (ITA)
Referee Observer: Ichko Lozev (BUL)
Atalanta BC – Olympiacos FC
Referee: Sandro Schärer (SUI)
Assistant Referee 1: Stephane De Almeida (SUI)
Assistant Referee 2: Jonas Erni (SUI)
Fourth Official: Alessandro Dudic (SUI)
VAR: Marco Fritz (GER)
AVAR: Fedayi San (SUI)
Referee Observer: Carlos Velasco Carballo (ESP)
RB Leipzig – Real Sociedad
Referee: Cüneyt Çakir (TUR)
Assistant Referee 1: Bahattin Duran (TUR)
Assistant Referee 2: Tarik Ongun (TUR)
Fourth Official: Alper Ulusoy (TUR)
VAR: Massimiliano Irrati (ITA)
AVAR: Mete Kalkavan (TUR)
Referee Observer: Raymond Ellingham (WAL)
FC Porto – Lazio
Referee: Serdar Gözübüyük (NED)
Assistant Referee 1: Joost van Zuilen (NED)
Assistant Referee 2: Johan Balder (NED)
Fourth Official: Jeroen Manschot (NED)
VAR: Pol van Boekel (NED)
AVAR: Dennis Higler (NED)
Referee Observer: Alexandru Deaconu (ROU)
