Zalgiris Vilnius – Bodo Glimt
Referee: Sandro Schärer (SUI, photo)
Assistant Referee 1: Bekim Zogaj (SUI)
Assistant Referee 2: Jonas Erni (SUI)
Fourth Official: Stefan Horisberger (SUI)
VAR: Fedayi San (SUI)
AVAR: Lukas Fähndrich (SUI)
Referee Observer: Viktor Kassai (HUN)
Apollon Limassol – Maccabi Haifa
Referee: Felix Zwayer (GER)
Assistant Referee 1: Stefan Lupp (GER)
Assistant Referee 2: Marco Achmüller (GER)
Fourth Official: Sven Jablonski (GER)
VAR: Marco Fritz (GER)
AVAR: Markus Sinn (GER)
Referee Observer: Levan Paniashvili (GEO)
Viktoria Plzen – Sheriff Tiraspol
Referee: Orel Grinfeld (ISR)
Assistant Referee 1: Roi Hassan (ISR)
Assistant Referee 2: Idan Yarkoni (ISR)
Fourth Official: Gal Leibovitz (ISR)
VAR: Roi Reinshreiber (ISR)
AVAR: David Fuxman (ISR)
Referee Observer: Stavros Tritsonis (GRE)
Pyunik FA – Crvena Zvezda
Referee: William Collum (SCO)
Assistant Referee 1: David McGeachie (SCO)
Assistant Referee 2: Francis Connor (SCO)
Fourth Official: Kevin Clancy (SCO)
VAR: Dennis Higler (NED)
AVAR: Edwin van de Graaf (NED)
Referee Observer: Andreas Schluchter (SUI)
FC Midtjylland – SL Benfica
Referee: Srdjan Jovanović (SRB)
Assistant Referee 1: Uroš Stojković (SRB)
Assistant Referee 2: Milan Mihajlović (SRB)
Fourth Official: Momčilo Marković (SRB)
VAR: François Letexier (FRA)
AVAR: Willy Delajod (FRA)
Referee Observer: Neale Barry (ENG)
Ferencvarosi TC – Qarabag FK
Referee: Carlos Del Cerro Grande (ESP)
Assistant Referee 1: Jose Naranjo Perez (ESP)
Assistant Referee 2: Gonzalo Garcia Gonzalez (ESP)
Fourth Official: Miguel Ortiz Arias (ESP)
VAR: Xavier Estrada Fernandez (ESP)
AVAR: Ignacio Iglesias Villanueva (ESP)
Referee Observer: Milorad Mažić (SRB)
GNK Dinamo – PFK Ludogorets
Referee: Benoît Bastien (FRA)
Assistant Referee 1: Erwan Finjean (FRA)
Assistant Referee 2: Philippe Jeanne (FRA)
Fourth Official: Jeremie Pignard (FRA)
VAR: Benoît Millot (FRA)
AVAR: Thomas Leonard (FRA)
Referee Observer: Kostas Kapitanis (CYP)
PSV Eindhoven – AS Monaco
Referee: Jesus Gil Manzano (ESP)
Assistant Referee 1: Angel Nevado Rodriguez (ESP)
Assistant Referee 2: Javier Martinez Nicolas (ESP)
Fourth Official: Isidro Diaz Escuderos (ESP)
VAR: Alejandro Hernandez Hernandez (ESP)
AVAR: Jose Gonzalez Gonzalez (ESP)
Referee Observer: Bariş Şimşek (TUR)
Sturm Graz – Dynamo Kyiv
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Branislav Hancko (SVK)
Assistant Referee 2: Jan Pozor (SVK)
Fourth Official: Peter Kralovič (SVK)
VAR: Christian Dingert (GER)
AVAR: Christian Dietz (GER)
Referee Observer: Terje Hauge (NOR)
Rangers FC – Union Saint Gilloise
Referee: Anastasios Sidiropoulos (GRE)
Assistant Referee 1: Polychronis Kostaras (GRE)
Assistant Referee 2: Lazaros Dimitriadis (GRE)
Fourth Official: Aristotelis Diamantopoulos (GRE)
VAR: Angelos Evangelou (GRE)
AVAR: Ioannis Papadopoulos (GRE)
Referee Observer: Uno Tutk (EST)