14 December 2023
Union St. Gilloise – Liverpool FC
Referee: Orel Grinfeld ISR (photo)
Assistant Referee 1: Roi Hassan ISR
Assistant Referee 2: Idan Yarkoni ISR
Fourth Official: Gal Leibovitz ISR
VAR: Ziv Adler ISR
AVAR: Roi Reinshreiber ISR
Referee Observer: Costas Kapitanis CYP
LASK Linz – Toulouse FC
Referee: Fabio Maresca ITA
Assistant Referee 1: Giorgio Peretti ITA
Assistant Referee 2: Marco Bresmes ITA
Fourth Official: Matteo Marcenaro ITA
VAR: Daniele Chiffi ITA
AVAR: Gianluca Aureliano ITA
Referee Observer: Goran Mihaljević MNE
Stade Rennais – Villarreal CF
Referee: Atilla Karaoglan TUR
Assistant Referee 1: Ceyhun Sesigüzel TUR
Assistant Referee 2: Cevdet Kömürcüoglu TUR
Fourth Official: Çagdaş Altay TUR
VAR: Massimiliano Irrati ITA
AVAR: Paolo Valeri ITA
Referee Observer: Nicola Rizzoli ITA
Panathinaikos – Maccabi Haifa
Referee: Georgi Kabakov BUL
Assistant Referee 1: Martin Margaritov BUL
Assistant Referee 2: Diyan Valkov BUL
Fourth Official: Radoslav Gidzhenov BUL
VAR: Dragomir Draganov BUL
AVAR: Ivaylo Stoyanov BUL
Referee Observer: William Young SCO
AS Roma – Sheriff Tiraspol
Referee: Jerôme Brisard FRA
Assistant Referee 1: Nicolas Danos FRA
Assistant Referee 2: Aurelien Drouet FRA
Fourth Official: Jeremy Stinat FRA
VAR: Benoît Millot FRA
AVAR: Rob Dieperink NED
Referee Observer: Karen Nalbandyan ARM
Slavia Praha – Servette FC
Referee: Nicolas Walsh SCO
Assistant Referee 1: Graeme Stewart SCO
Assistant Referee 2: Calum Spence SCO
Fourth Official: Christopher Graham SCO
VAR: Christopher Kavanagh ENG
AVAR: Donald Robertson SCO
Referee Observer: Georgios Bikas GRE
Bayer Leverkusen – Molde FK
Referee: Robert Jones ENG
Assistant Referee 1: Neil Davies ENG
Assistant Referee 2: James Mainwaring ENG
Fourth Official: Thomas Bramall ENG
VAR: David Coote ENG
AVAR: Dennis Higler NED
Referee Observer: Björn Kuipers NED
Qarabag FK – BK Häcken
Referee: Juxhin Xhaja ALB
Assistant Referee 1: Dojando Myftari ALB
Assistant Referee 2: Rejdi Avdo ALB
Fourth Official: Olsion Yzeiraj ALB
VAR: Luca Pairetto ITA
AVAR: Valerio Marini ITA
Referee Observer: Alan Sant MLT
West Ham United – SC Freiburg
Referee: Joao Pinheiro POR
Assistant Referee 1: Bruno Jesus POR
Assistant Referee 2: Luciano Maia POR
Fourth Official: Joao Goncalves POR
VAR: Tiago Martins POR
AVAR: Nejc Kajtazovič SVN
Referee Observer: Martin Hansson SWE
Olympiacos – TSC Bačka Topola
Referee: Morten Krogh DEN
Assistant Referee 1: Dennis Rasmussen DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Peter Kjaersgaard DEN
VAR: Maurizio Mariani ITA
AVAR: Daniele Doveri ITA
Referee Observer: Augustus Constantin ROU
AFC Ajax – AEK Athens
Referee: Craig Pawson ENG
Assistant Referee 1: Simon Bennett ENG
Assistant Referee 2: Lee Betts ENG
Fourth Official: Darren England ENG
VAR: Fedayi San SUI
AVAR: Marco Fritz GER
Referee Observer: Antonio Damato ITA
Brighton & Hove Albion – Olympique de Marseille
Referee: Jose Sanchez Martinez ESP
Assistant Referee 1: Raul Cabanero Martinez ESP
Assistant Referee 2: Inigo Prieto Lopez ESP
Fourth Official: Alejandro Muniz Ruiz ESP
VAR: Juan Martinez Munuera ESP
AVAR: Christian Dingert GER
Referee Observer: Markus Strömbergsson SWE
Real Betis – Rangers FC
Referee: Srdjan Jovanović SRB
Assistant Referee 1: Uroš Stojković SRB
Assistant Referee 2: Milan Mihajlović SRB
Fourth Official: Novak Simović SRB
VAR: Pol van Boekel NED
AVAR: Clay Ruperti NED
Referee Observer: Uno Tutk EST
Aris Limassol – Sparta Praha
Referee: Harm Osmers GER
Assistant Referee 1: Eduard Beitinger GER
Assistant Referee 2: Dominik Schaal GER
Fourth Official: Tobias Reichel GER
VAR: Benjamin Brand GER
AVAR: Robert Schröder GER
Referee Observer: Michael Riley ENG
Sporting CP – Sturm Graz
Referee: William Collum SCO
Assistant Referee 1: Francis Connor SCO
Assistant Referee 2: David McGeachie SCO
Fourth Official: Kevin Clancy SCO
VAR: Stuart Attwell ENG
AVAR: Cătălin Popa ROU
Referee Observer: Rene Temmink NED
Rakow Czestochowa – Atalanta BC
Referee: Enea Jorgji ALB
Assistant Referee 1: Denis Rexha ALB
Assistant Referee 2: Ridiger Çokaj ALB
Fourth Official: Florian Lata ALB
VAR: Carlos Del Cerro Grande ESP
AVAR: Guillermo Cuadra Fernandez ESP
Referee Observer: Marian Ružbarsky SVK
Referee: Orel Grinfeld ISR (photo)
Assistant Referee 1: Roi Hassan ISR
Assistant Referee 2: Idan Yarkoni ISR
Fourth Official: Gal Leibovitz ISR
VAR: Ziv Adler ISR
AVAR: Roi Reinshreiber ISR
Referee Observer: Costas Kapitanis CYP
LASK Linz – Toulouse FC
Referee: Fabio Maresca ITA
Assistant Referee 1: Giorgio Peretti ITA
Assistant Referee 2: Marco Bresmes ITA
Fourth Official: Matteo Marcenaro ITA
VAR: Daniele Chiffi ITA
AVAR: Gianluca Aureliano ITA
Referee Observer: Goran Mihaljević MNE
Stade Rennais – Villarreal CF
Referee: Atilla Karaoglan TUR
Assistant Referee 1: Ceyhun Sesigüzel TUR
Assistant Referee 2: Cevdet Kömürcüoglu TUR
Fourth Official: Çagdaş Altay TUR
VAR: Massimiliano Irrati ITA
AVAR: Paolo Valeri ITA
Referee Observer: Nicola Rizzoli ITA
Panathinaikos – Maccabi Haifa
Referee: Georgi Kabakov BUL
Assistant Referee 1: Martin Margaritov BUL
Assistant Referee 2: Diyan Valkov BUL
Fourth Official: Radoslav Gidzhenov BUL
VAR: Dragomir Draganov BUL
AVAR: Ivaylo Stoyanov BUL
Referee Observer: William Young SCO
AS Roma – Sheriff Tiraspol
Referee: Jerôme Brisard FRA
Assistant Referee 1: Nicolas Danos FRA
Assistant Referee 2: Aurelien Drouet FRA
Fourth Official: Jeremy Stinat FRA
VAR: Benoît Millot FRA
AVAR: Rob Dieperink NED
Referee Observer: Karen Nalbandyan ARM
Slavia Praha – Servette FC
Referee: Nicolas Walsh SCO
Assistant Referee 1: Graeme Stewart SCO
Assistant Referee 2: Calum Spence SCO
Fourth Official: Christopher Graham SCO
VAR: Christopher Kavanagh ENG
AVAR: Donald Robertson SCO
Referee Observer: Georgios Bikas GRE
Bayer Leverkusen – Molde FK
Referee: Robert Jones ENG
Assistant Referee 1: Neil Davies ENG
Assistant Referee 2: James Mainwaring ENG
Fourth Official: Thomas Bramall ENG
VAR: David Coote ENG
AVAR: Dennis Higler NED
Referee Observer: Björn Kuipers NED
Qarabag FK – BK Häcken
Referee: Juxhin Xhaja ALB
Assistant Referee 1: Dojando Myftari ALB
Assistant Referee 2: Rejdi Avdo ALB
Fourth Official: Olsion Yzeiraj ALB
VAR: Luca Pairetto ITA
AVAR: Valerio Marini ITA
Referee Observer: Alan Sant MLT
West Ham United – SC Freiburg
Referee: Joao Pinheiro POR
Assistant Referee 1: Bruno Jesus POR
Assistant Referee 2: Luciano Maia POR
Fourth Official: Joao Goncalves POR
VAR: Tiago Martins POR
AVAR: Nejc Kajtazovič SVN
Referee Observer: Martin Hansson SWE
Olympiacos – TSC Bačka Topola
Referee: Morten Krogh DEN
Assistant Referee 1: Dennis Rasmussen DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Peter Kjaersgaard DEN
VAR: Maurizio Mariani ITA
AVAR: Daniele Doveri ITA
Referee Observer: Augustus Constantin ROU
AFC Ajax – AEK Athens
Referee: Craig Pawson ENG
Assistant Referee 1: Simon Bennett ENG
Assistant Referee 2: Lee Betts ENG
Fourth Official: Darren England ENG
VAR: Fedayi San SUI
AVAR: Marco Fritz GER
Referee Observer: Antonio Damato ITA
Brighton & Hove Albion – Olympique de Marseille
Referee: Jose Sanchez Martinez ESP
Assistant Referee 1: Raul Cabanero Martinez ESP
Assistant Referee 2: Inigo Prieto Lopez ESP
Fourth Official: Alejandro Muniz Ruiz ESP
VAR: Juan Martinez Munuera ESP
AVAR: Christian Dingert GER
Referee Observer: Markus Strömbergsson SWE
Real Betis – Rangers FC
Referee: Srdjan Jovanović SRB
Assistant Referee 1: Uroš Stojković SRB
Assistant Referee 2: Milan Mihajlović SRB
Fourth Official: Novak Simović SRB
VAR: Pol van Boekel NED
AVAR: Clay Ruperti NED
Referee Observer: Uno Tutk EST
Aris Limassol – Sparta Praha
Referee: Harm Osmers GER
Assistant Referee 1: Eduard Beitinger GER
Assistant Referee 2: Dominik Schaal GER
Fourth Official: Tobias Reichel GER
VAR: Benjamin Brand GER
AVAR: Robert Schröder GER
Referee Observer: Michael Riley ENG
Sporting CP – Sturm Graz
Referee: William Collum SCO
Assistant Referee 1: Francis Connor SCO
Assistant Referee 2: David McGeachie SCO
Fourth Official: Kevin Clancy SCO
VAR: Stuart Attwell ENG
AVAR: Cătălin Popa ROU
Referee Observer: Rene Temmink NED
Rakow Czestochowa – Atalanta BC
Referee: Enea Jorgji ALB
Assistant Referee 1: Denis Rexha ALB
Assistant Referee 2: Ridiger Çokaj ALB
Fourth Official: Florian Lata ALB
VAR: Carlos Del Cerro Grande ESP
AVAR: Guillermo Cuadra Fernandez ESP
Referee Observer: Marian Ružbarsky SVK