AEK Athens – LASK Linz
Referee: David Silva POR (photo)
Assistant Referee 1: Nélson Pereira POR
Assistant Referee 2: Carlos Campos POR
Fourth Official: Constantínos Kátikos GRE
FC Porto – Manchester City
Referee: Lukáš Dzivjak SVK
Assistant Referee 1: Daniel Poláček SVK
Assistant Referee 2: Simeon Vass SVK
Fourth Official: Diogo Araújo POR
Club Brugge – Aston Villa
Referee: Mihály Káprály HUN
Assistant Referee 1: Theodoros Georgiou HUN
Assistant Referee 2: Bence Belicza HUN
Fourth Official: Jasper Vitse BEL
LOSC Lille – Real Betis
Referee: Alex Johnson MLT
Assistant Referee 1: Kurt Saliba MLT
Assistant Referee 2: David Castillo MLT
Fourth Official: Marc Bollengier FRA
Referee Observer: Rien Koopman NED
Real Madrid – Inter Milano
Referee: Giorgi Avazashvili GEO
Assistant Referee 1: Zviad Bliadze GEO
Assistant Referee 2: Gocha Taruashvili GEO
Fourth Official: Anas Bakali Bentaleb ESP
Referee Observer: Ferenc Székely HUN
Borussia Dortmund – Villarreal CF
Referee: Tural Qurbanov AZE
Assistant Referee 1: Camil Aliyev AZE
Assistant Referee 2: Asiman Azizli AZE
Fourth Official: Cengiz Kabalakli GER
Referee Observer: Edgar Steinborn GER
9 September 2026
FC Barcelona – Feyenoord Rotterdam
Referee: Kyriákos Athanasíou CYP
Assistant Referee 1: Geórgios Pooutídis CYP
Assistant Referee 2: Polýdoros Christodoúlou CYP
Fourth Official: David López Jiménez ESP
VfB Stuttgart – Viking FK
Referee: Jakob Semler AUT
Assistant Referee 1: Johannes Stögerer AUT
Assistant Referee 2: Mario Diesenberger AUT
Fourth Official: Felix Prigan GER
Napoli – Arsenal
Referee: Ante Čulina CRO
Assistant Referee 1: Dario Kolarević CRO
Assistant Referee 2: Anto Marić CRO
Fourth Official: Alberto Ruben Arena ITA
Referee Observer: Nuno Castro POR
Paris St. Germain – Slovan Bratislava
Referee: Patryk Gryckiewicz POL
Assistant Referee 1: Bartosz Kaszyński POL
Assistant Referee 2: Dawid Blazejczyk POL
Fourth Official: Aurélien Petit FRA
Referee Observer: Lutz-Michael Fröhlich GER
Sporting CP – Galatasaray
Referee: Bálint Kiss SVK
Assistant Referee 1: Peter Bednár SVK
Assistant Referee 2: Ákos Juhos SVK
Fourth Official: Flávio Duarte POR
Referee Observer: João Ferreira POR
Liverpool FC – Atletico de Madrid
Referee: Fótios Polychrónis GRE
Assistant Referee 1: Lázaros Dimitriádis GRE
Assistant Referee 2: Ioánnis Minoúdis GRE
Fourth Official: James Robinson NIR
Referee Observer: Stefan Messner AUT
10 September 2026
Fenerbahce – AS Roma
Referee: Karel Rouček CZE
Assistant Referee 1: Lukáš Machač CZE
Assistant Referee 2: Petr Kotalík CZE
Fourth Official: Emrullah Baydar TUR
Referee Observer: Muhittin Boşat TUR
PSV Eindhoven – Shakhtar Donetsk
Referee: Marius Hansen NOR
Assistant Referee 1: Erland Hareland NOR
Assistant Referee 2: Henrik Pettersen NOR
Fourth Official: Erwin Blank NED
Slavia Praha – Lens
Referee: Jacob Karlsen DEN
Assistant Referee 1: Martin Markus DEN
Assistant Referee 2: Daniel Cortzen DEN
Fourth Official: Jan Beneš CZE
Referee Observer: Radek Příhoda CZE
Manchester United – Sabah
Referee: Simon Bourdeaud’hui BEL
Assistant Referee 1: Michael Geerolf BEL
Assistant Referee 2: Jonas Van Dyck BEL
Referee Observer: Stephen Tanner ENG
AS Como – RB Leipzig
Referee: Florian Lata ALB
Assistant Referee 1: Feliks Kolleshi ALB
Assistant Referee 2: Aurel Topi ALB
Fourth Official: Kevin Bonacina ITA
Referee Observer: Clayton Pisani MLT
Bayern Munchen – Bodo Glimt
Referee: Oguzhan Çakir TUR
Assistant Referee 1: Kerem Ilitangil TUR
Assistant Referee 2: Mehmet Kisal TUR
Fourth Official: Felix Wagner GER
Referee Observer: Thomas Einwaller AUT
Referee: David Silva POR (photo)
Assistant Referee 1: Nélson Pereira POR
Assistant Referee 2: Carlos Campos POR
Fourth Official: Constantínos Kátikos GRE
FC Porto – Manchester City
Referee: Lukáš Dzivjak SVK
Assistant Referee 1: Daniel Poláček SVK
Assistant Referee 2: Simeon Vass SVK
Fourth Official: Diogo Araújo POR
Club Brugge – Aston Villa
Referee: Mihály Káprály HUN
Assistant Referee 1: Theodoros Georgiou HUN
Assistant Referee 2: Bence Belicza HUN
Fourth Official: Jasper Vitse BEL
LOSC Lille – Real Betis
Referee: Alex Johnson MLT
Assistant Referee 1: Kurt Saliba MLT
Assistant Referee 2: David Castillo MLT
Fourth Official: Marc Bollengier FRA
Referee Observer: Rien Koopman NED
Real Madrid – Inter Milano
Referee: Giorgi Avazashvili GEO
Assistant Referee 1: Zviad Bliadze GEO
Assistant Referee 2: Gocha Taruashvili GEO
Fourth Official: Anas Bakali Bentaleb ESP
Referee Observer: Ferenc Székely HUN
Borussia Dortmund – Villarreal CF
Referee: Tural Qurbanov AZE
Assistant Referee 1: Camil Aliyev AZE
Assistant Referee 2: Asiman Azizli AZE
Fourth Official: Cengiz Kabalakli GER
Referee Observer: Edgar Steinborn GER
9 September 2026
FC Barcelona – Feyenoord Rotterdam
Referee: Kyriákos Athanasíou CYP
Assistant Referee 1: Geórgios Pooutídis CYP
Assistant Referee 2: Polýdoros Christodoúlou CYP
Fourth Official: David López Jiménez ESP
VfB Stuttgart – Viking FK
Referee: Jakob Semler AUT
Assistant Referee 1: Johannes Stögerer AUT
Assistant Referee 2: Mario Diesenberger AUT
Fourth Official: Felix Prigan GER
Napoli – Arsenal
Referee: Ante Čulina CRO
Assistant Referee 1: Dario Kolarević CRO
Assistant Referee 2: Anto Marić CRO
Fourth Official: Alberto Ruben Arena ITA
Referee Observer: Nuno Castro POR
Paris St. Germain – Slovan Bratislava
Referee: Patryk Gryckiewicz POL
Assistant Referee 1: Bartosz Kaszyński POL
Assistant Referee 2: Dawid Blazejczyk POL
Fourth Official: Aurélien Petit FRA
Referee Observer: Lutz-Michael Fröhlich GER
Sporting CP – Galatasaray
Referee: Bálint Kiss SVK
Assistant Referee 1: Peter Bednár SVK
Assistant Referee 2: Ákos Juhos SVK
Fourth Official: Flávio Duarte POR
Referee Observer: João Ferreira POR
Liverpool FC – Atletico de Madrid
Referee: Fótios Polychrónis GRE
Assistant Referee 1: Lázaros Dimitriádis GRE
Assistant Referee 2: Ioánnis Minoúdis GRE
Fourth Official: James Robinson NIR
Referee Observer: Stefan Messner AUT
10 September 2026
Fenerbahce – AS Roma
Referee: Karel Rouček CZE
Assistant Referee 1: Lukáš Machač CZE
Assistant Referee 2: Petr Kotalík CZE
Fourth Official: Emrullah Baydar TUR
Referee Observer: Muhittin Boşat TUR
PSV Eindhoven – Shakhtar Donetsk
Referee: Marius Hansen NOR
Assistant Referee 1: Erland Hareland NOR
Assistant Referee 2: Henrik Pettersen NOR
Fourth Official: Erwin Blank NED
Slavia Praha – Lens
Referee: Jacob Karlsen DEN
Assistant Referee 1: Martin Markus DEN
Assistant Referee 2: Daniel Cortzen DEN
Fourth Official: Jan Beneš CZE
Referee Observer: Radek Příhoda CZE
Manchester United – Sabah
Referee: Simon Bourdeaud’hui BEL
Assistant Referee 1: Michael Geerolf BEL
Assistant Referee 2: Jonas Van Dyck BEL
Referee Observer: Stephen Tanner ENG
AS Como – RB Leipzig
Referee: Florian Lata ALB
Assistant Referee 1: Feliks Kolleshi ALB
Assistant Referee 2: Aurel Topi ALB
Fourth Official: Kevin Bonacina ITA
Referee Observer: Clayton Pisani MLT
Bayern Munchen – Bodo Glimt
Referee: Oguzhan Çakir TUR
Assistant Referee 1: Kerem Ilitangil TUR
Assistant Referee 2: Mehmet Kisal TUR
Fourth Official: Felix Wagner GER
Referee Observer: Thomas Einwaller AUT