Sparta Praha – Atletico de Madrid
Referee: Danny Makkelie NED (photo)
Assistant Referee 1: Hessel Steegstra NED
Assistant Referee 2: Jan de Vries NED
Fourth Official: Marc Nagtegaal NED
VAR: Rob Dieperink NED
AVAR: Erwin Blank NED
Referee Observer: Emil Božinovski MKD
Slovan Bratislava – AC Milan
Referee: José Sánchez Martínez ESP
Assistant Referee 1: Raúl Cabañero Martínez ESP
Assistant Referee 2: Iñigo Prieto López ESP
Fourth Official: Alejandro Muñiz Ruiz ESP
VAR: Carlos Del Cerro Grande ESP
AVAR: Valentín Pizarro Gómez ESP
Referee Observer: Herbert Fandel GER
Manchester City – Feyenoord Rotterdam
Referee: Radu Petrescu ROU
Assistant Referee 1: Radu Ghinguleac ROU
Assistant Referee 2: Mircea Grigoriu ROU
Fourth Official: Marcel Bîrsan ROU
VAR: Bastian Dankert GER
AVAR: Fedayi San SUI
Referee Observer: Konrad Plautz AUT
Bayern München – Paris St. Germain
Referee: Istvan Kovacs ROU
Assistant Referee 1: Mihai Marica ROU
Assistant Referee 2: Ferencz Tunyogi ROU
Fourth Official: Florin Andrei ROU
VAR: Pol van Boekel NED
AVAR: Cătălin Popa ROU
Referee Observer: Manuel Díaz Vega ESP
Inter Milano – RB Leipzig
Referee: João Pinheiro POR
Assistant Referee 1: Bruno Jesus POR
Assistant Referee 2: Luciano Maia POR
Fourth Official: João Gonçalves POR
VAR: Tiago Martins POR
AVAR: Alejandro Hernández Hernández ESP
Referee Observer: Björn Kuipers NED
FC Barcelona – Stade Brestois
Referee: Irfan Peljto BIH
Assistant Referee 1: Senad Ibrišimbegović BIH
Assistant Referee 2: Davor Beljo BIH
Fourth Official: Miloš Gigović BIH
VAR: Christian Dingert GER
AVAR: Andrew Dallas SCO
Referee Observer: Rune Pedersen NOR
Bayer Leverkusen – FC Salzburg
Referee: Mykola Balakin UKR
Assistant Referee 1: Oleksandr Berkut UKR
Assistant Referee 2: Viktor Matyash UKR
Fourth Official: Vitaliy Romanov UKR
VAR: Guillermo Cuadra Fernández ESP
AVAR: Valerio Marini ITA
Referee Observer: Alberto Undiano Mallenco ESP
Sporting CP – Arsenal FC
Referee: Szymon Marciniak POL
Assistant Referee 1: Adam Kupsik POL
Assistant Referee 2: Radoslaw Siejka POL
Fourth Official: Paweł Raczkowski POL
VAR: Tomasz Kwiatkowski POL
AVAR: Jérôme Brisard FRA
Referee Observer: Stéphane Lannoy FRA
BSC Young Boys – Atalanta BC
Referee: Manfredas Lukjančukas LTU
Assistant Referee 1: Mangirdas Mirauskas LTU
Assistant Referee 2: Vytenis Kazlauskas LTU
Fourth Official: Vilius Paulauskas LTU
VAR: Dennis Higler NED
AVAR: Clay Ruperti NED
Referee Observer: Darko Čeferin SVN
Referee: Danny Makkelie NED (photo)
Assistant Referee 1: Hessel Steegstra NED
Assistant Referee 2: Jan de Vries NED
Fourth Official: Marc Nagtegaal NED
VAR: Rob Dieperink NED
AVAR: Erwin Blank NED
Referee Observer: Emil Božinovski MKD
Slovan Bratislava – AC Milan
Referee: José Sánchez Martínez ESP
Assistant Referee 1: Raúl Cabañero Martínez ESP
Assistant Referee 2: Iñigo Prieto López ESP
Fourth Official: Alejandro Muñiz Ruiz ESP
VAR: Carlos Del Cerro Grande ESP
AVAR: Valentín Pizarro Gómez ESP
Referee Observer: Herbert Fandel GER
Manchester City – Feyenoord Rotterdam
Referee: Radu Petrescu ROU
Assistant Referee 1: Radu Ghinguleac ROU
Assistant Referee 2: Mircea Grigoriu ROU
Fourth Official: Marcel Bîrsan ROU
VAR: Bastian Dankert GER
AVAR: Fedayi San SUI
Referee Observer: Konrad Plautz AUT
Bayern München – Paris St. Germain
Referee: Istvan Kovacs ROU
Assistant Referee 1: Mihai Marica ROU
Assistant Referee 2: Ferencz Tunyogi ROU
Fourth Official: Florin Andrei ROU
VAR: Pol van Boekel NED
AVAR: Cătălin Popa ROU
Referee Observer: Manuel Díaz Vega ESP
Inter Milano – RB Leipzig
Referee: João Pinheiro POR
Assistant Referee 1: Bruno Jesus POR
Assistant Referee 2: Luciano Maia POR
Fourth Official: João Gonçalves POR
VAR: Tiago Martins POR
AVAR: Alejandro Hernández Hernández ESP
Referee Observer: Björn Kuipers NED
FC Barcelona – Stade Brestois
Referee: Irfan Peljto BIH
Assistant Referee 1: Senad Ibrišimbegović BIH
Assistant Referee 2: Davor Beljo BIH
Fourth Official: Miloš Gigović BIH
VAR: Christian Dingert GER
AVAR: Andrew Dallas SCO
Referee Observer: Rune Pedersen NOR
Bayer Leverkusen – FC Salzburg
Referee: Mykola Balakin UKR
Assistant Referee 1: Oleksandr Berkut UKR
Assistant Referee 2: Viktor Matyash UKR
Fourth Official: Vitaliy Romanov UKR
VAR: Guillermo Cuadra Fernández ESP
AVAR: Valerio Marini ITA
Referee Observer: Alberto Undiano Mallenco ESP
Sporting CP – Arsenal FC
Referee: Szymon Marciniak POL
Assistant Referee 1: Adam Kupsik POL
Assistant Referee 2: Radoslaw Siejka POL
Fourth Official: Paweł Raczkowski POL
VAR: Tomasz Kwiatkowski POL
AVAR: Jérôme Brisard FRA
Referee Observer: Stéphane Lannoy FRA
BSC Young Boys – Atalanta BC
Referee: Manfredas Lukjančukas LTU
Assistant Referee 1: Mangirdas Mirauskas LTU
Assistant Referee 2: Vytenis Kazlauskas LTU
Fourth Official: Vilius Paulauskas LTU
VAR: Dennis Higler NED
AVAR: Clay Ruperti NED
Referee Observer: Darko Čeferin SVN
