PSV Eindhoven – Sevilla FC
Referee: Daniele Orsato (ITA, photo)
Assistant Referee 1: Ciro Carbone (ITA)
Assistant Referee 2: Alessandro Giallatini (ITA)
Fourth Official: Fabio Maresca (ITA)
VAR: Marco Di Bello (ITA)
AVAR: Daniele Chiffi (ITA)
Referee Observer: Joao Ferreira (POR)
Nantes – Juventus
Referee: Jose Sanchez Martinez (ESP)
Assistant Referee 1: Raul Cabanero Martinez (ESP)
Assistant Referee 2: Inigo Prieto Lopez (ESP)
Fourth Official: Pablo Gonzalez Fuertes (ESP)
VAR: Juan Martinez Munuera (ESP)
AVAR: Ignacio Iglesias Villanueva (ESP)
Referee Observer: Viktor Kassai (HUN)
FC Midtjylland – Sporting CP
Referee: Ivan Kruzliak (SVK)
Assistant Referee 1: Branislav Hancko (SVK)
Assistant Referee 2: Jan Pozor (SVK)
Fourth Official: Peter Kralovic (SVK)
VAR: Bartosz Frankowski (POL)
AVAR: Piotr Lasyk (POL)
Referee Observer: Emil Božinovski MKD)
AS Monaco – Bayer Leverkusen
Referee: Alejandro Hernandez Hernandez (ESP)
Assistant Referee 1: Jose Naranjo Perez (ESP)
Assistant Referee 2: Diego Sanchez Rojo (ESP)
Fourth Official: Alejandro Muniz Ruiz (ESP)
VAR: Guillermo Cuadra Fernandez (ESP)
AVAR: Jose Munuera Montero (ESP)
Referee Observer: Stefan Johannesson (SWE)
Manchester United – FC Barcelona
Referee: Clement Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Benjamin Pages (FRA)
Fourth Official: Jeremie Pignard (FRA)
VAR: Jerôme Brisard (FRA)
AVAR: Willy Delajod (FRA)
Referee Observer: Francesco Bianchi (SUI)
FC Rennes – Shaktar Donetsk
Referee: Tobias Stieler (GER)
Assistant Referee 1: Christian Gittelmann (GER)
Assistant Referee 2: Mark Borsch (GER)
Fourth Official: Sascha Stegemann (GER)
VAR: Christian Dingert (GER)
AVAR: Benjamin Brand (GER)
Referee Observer: Markus Nobs (SUI)
Union Berlin – AFC Ajax
Referee: Carlos Del Cerro Grande (ESP)
Assistant Referee 1: Diego Barbero Sevilla (ESP)
Assistant Referee 2: Guadalupe Porras Ayuso (ESP)
Fourth Official: Miguel Angel Ortiz (ESP)
VAR: Xavier Estrada Fernandez (ESP)
AVAR: Cesar Soto Grado (ESP)
Referee Observer: Rune Pedersen (NOR)
AS Roma – FC Salzburg
Referee: Slavko Vinčić (SVN)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Rade Obrenovič (SVN)
VAR: Nejc Kajtazović (SVN)
AVAR: Matej Jug (SVN)
Referee Observer: Stephen Lodge (ENG)