CFR Cluj – FK Jablonec
Referee: Harm Osmers (GER, photo)
Assistant Referee 1: Dominik Schaal (GER)
Assistant Referee 2: Robert Kempter (GER)
Fourth Official: Robert Schröder (GER)
Referee Observer: Andrejs Sipailo (LVA)
LASK – HJK Helsinki
Referee: Igor Pajac (CRO)
Assistant Referee 1: Bojan Zobenica (CRO)
Assistant Referee 2: Goran Pataki (CRO)
Fourth Official: Tihomir Pejin (CRO)
Referee Observer: Asim Khudiyev (AZE)
Alashkert FC – Maccabi Tel Aviv
Referee: Gergő Bogár (HUN)
Assistant Referee 1: Péter Kóbor (HUN)
Assistant Referee 2: Balázs Szert (HUN)
Fourth Official: Ferenc Karakó (HUN)
Referee Observer: Viktor Shvetsov (UKR)
Partizan – Anorthosis Famagusta
Referee: Giorgi Kruashvili (GEO)
Assistant Referee 1: Levan Varamishvili (GEO)
Assistant Referee 2: Zaza Pipia (GEO)
Fourth Official: Davit Kharitonashvili (GEO)
Referee Observer: Vlado Svilokos (CRO)
KAA Gent – Flora Tallinn
Referee: Kaspar Sjöberg (SWE)
Assistant Referee 1: Mehmet Culum (SWE)
Assistant Referee 2: Peter Allheim (SWE)
Fourth Official: Bojan Pandzic (SWE)
Referee Observer: Kenneth Clark (SCO)
CSKA Sofia – AS Roma
Referee: Nicolas Walsh (SCO)
Assistant Referee 1: Graeme Stewart (SCO)
Assistant Referee 2: Calum Spence (SCO)
Fourth Official: Colin Steven (SCO)
Referee Observer: Martin Hansson (SWE)
Zorya Luhansk – Bodo Glimt
Referee: Krzysztof Jakubik (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Jakub Winkler (POL)
Fourth Official: Zbigniew Dobrynin (POL)
Referee Observer: Costas Kapitanis (CYP)
AZ Alkmaar – Randers FC
Referee: Trustin Farrugia Cann (MLT)
Assistant Referee 1: Luke Portelli (MLT)
Assistant Referee 2: Duncan Sultana (MLT)
Fourth Official: Ishmael Barbara (MLT)
Referee Observer: Georgi Yordanov (BUL)
Union Berlin – Slavia Praha
Referee: Rade Obrenovic (SVN)
Assistant Referee 1: Jure Praprotnik (SVN)
Assistant Referee 2: Grega Kordez (SVN)
Fourth Official: Alen Borosak (SVN)
Referee Observer: Björn Kuipers (NED)
Feyenoord – Maccabi Haifa
Referee: Mykola Balakin (UKR)
Assistant Referee 1: Viktor Matyash (UKR)
Assistant Referee 2: Oleksandr Zhukov (UKR)
Fourth Official: Vitali Romanov (UKR)
Referee Observer: Christos Nicolaides (CYP)
FC Copenhagen – Slovan Bratislava
Referee: Istvan Vad (HUN)
Assistant Referee 1: Vencel Toth (HUN)
Assistant Referee 2: Istvan Albert (HUN)
Fourth Official: Peter Solymosi (HUN)
Referee Observer: Marco Borg (MLT)
PAOK FC – Lincoln Red Imps
Referee: Rohit Saggi (NOR)
Assistant Referee 1: Geir Isaksen (NOR)
Assistant Referee 2: Morten Jensen (NOR)
Fourth Official: Tom Hagen (NOR)
Referee Observer: Cyril Zimmermann (SUI)
Tottenham Hotspur – Stade Rennais
Referee: Horatiu Fesnic (ROU)
Assistant Referee 1: Valentin Avram (ROU)
Assistant Referee 2: Alexandru Cerei (ROU)
Fourth Official: Marian Barbu (ROU)
Referee Observer: Hugh Dallas (SCO)
Vitesse – Mura
Referee: Filip Glova (SVK)
Assistant Referee 1: Peter Bednar (SVK)
Assistant Referee 2: Daniel Polacek (SVK)
Fourth Official: Michal Ocenas (SVK)
Referee Observer: Stefan Johannesson (SWE)
Omonia FC – Kairat Almaty
Referee: Genc Nuza (KOS)
Assistant Referee 1: Fatlum Berisha (KOS)
Assistant Referee 2: Bujar Selimaj (KOS)
Fourth Official: Visar Kastrati (KOS)
Referee Observer: Kristinn Jakobsson (ISL)
FC Basel – Qarabağ FK
Referee: Fran Jovic (CRO)
Assistant Referee 1: Hrvoje Radic (CRO)
Assistant Referee 2: Luka Pusic (CRO)
Fourth Official: Ivana Martincic (CRO)
Referee Observer: Vladimir Antonov (MDA)
Referee: Harm Osmers (GER, photo)
Assistant Referee 1: Dominik Schaal (GER)
Assistant Referee 2: Robert Kempter (GER)
Fourth Official: Robert Schröder (GER)
Referee Observer: Andrejs Sipailo (LVA)
LASK – HJK Helsinki
Referee: Igor Pajac (CRO)
Assistant Referee 1: Bojan Zobenica (CRO)
Assistant Referee 2: Goran Pataki (CRO)
Fourth Official: Tihomir Pejin (CRO)
Referee Observer: Asim Khudiyev (AZE)
Alashkert FC – Maccabi Tel Aviv
Referee: Gergő Bogár (HUN)
Assistant Referee 1: Péter Kóbor (HUN)
Assistant Referee 2: Balázs Szert (HUN)
Fourth Official: Ferenc Karakó (HUN)
Referee Observer: Viktor Shvetsov (UKR)
Partizan – Anorthosis Famagusta
Referee: Giorgi Kruashvili (GEO)
Assistant Referee 1: Levan Varamishvili (GEO)
Assistant Referee 2: Zaza Pipia (GEO)
Fourth Official: Davit Kharitonashvili (GEO)
Referee Observer: Vlado Svilokos (CRO)
KAA Gent – Flora Tallinn
Referee: Kaspar Sjöberg (SWE)
Assistant Referee 1: Mehmet Culum (SWE)
Assistant Referee 2: Peter Allheim (SWE)
Fourth Official: Bojan Pandzic (SWE)
Referee Observer: Kenneth Clark (SCO)
CSKA Sofia – AS Roma
Referee: Nicolas Walsh (SCO)
Assistant Referee 1: Graeme Stewart (SCO)
Assistant Referee 2: Calum Spence (SCO)
Fourth Official: Colin Steven (SCO)
Referee Observer: Martin Hansson (SWE)
Zorya Luhansk – Bodo Glimt
Referee: Krzysztof Jakubik (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Jakub Winkler (POL)
Fourth Official: Zbigniew Dobrynin (POL)
Referee Observer: Costas Kapitanis (CYP)
AZ Alkmaar – Randers FC
Referee: Trustin Farrugia Cann (MLT)
Assistant Referee 1: Luke Portelli (MLT)
Assistant Referee 2: Duncan Sultana (MLT)
Fourth Official: Ishmael Barbara (MLT)
Referee Observer: Georgi Yordanov (BUL)
Union Berlin – Slavia Praha
Referee: Rade Obrenovic (SVN)
Assistant Referee 1: Jure Praprotnik (SVN)
Assistant Referee 2: Grega Kordez (SVN)
Fourth Official: Alen Borosak (SVN)
Referee Observer: Björn Kuipers (NED)
Feyenoord – Maccabi Haifa
Referee: Mykola Balakin (UKR)
Assistant Referee 1: Viktor Matyash (UKR)
Assistant Referee 2: Oleksandr Zhukov (UKR)
Fourth Official: Vitali Romanov (UKR)
Referee Observer: Christos Nicolaides (CYP)
FC Copenhagen – Slovan Bratislava
Referee: Istvan Vad (HUN)
Assistant Referee 1: Vencel Toth (HUN)
Assistant Referee 2: Istvan Albert (HUN)
Fourth Official: Peter Solymosi (HUN)
Referee Observer: Marco Borg (MLT)
PAOK FC – Lincoln Red Imps
Referee: Rohit Saggi (NOR)
Assistant Referee 1: Geir Isaksen (NOR)
Assistant Referee 2: Morten Jensen (NOR)
Fourth Official: Tom Hagen (NOR)
Referee Observer: Cyril Zimmermann (SUI)
Tottenham Hotspur – Stade Rennais
Referee: Horatiu Fesnic (ROU)
Assistant Referee 1: Valentin Avram (ROU)
Assistant Referee 2: Alexandru Cerei (ROU)
Fourth Official: Marian Barbu (ROU)
Referee Observer: Hugh Dallas (SCO)
Vitesse – Mura
Referee: Filip Glova (SVK)
Assistant Referee 1: Peter Bednar (SVK)
Assistant Referee 2: Daniel Polacek (SVK)
Fourth Official: Michal Ocenas (SVK)
Referee Observer: Stefan Johannesson (SWE)
Omonia FC – Kairat Almaty
Referee: Genc Nuza (KOS)
Assistant Referee 1: Fatlum Berisha (KOS)
Assistant Referee 2: Bujar Selimaj (KOS)
Fourth Official: Visar Kastrati (KOS)
Referee Observer: Kristinn Jakobsson (ISL)
FC Basel – Qarabağ FK
Referee: Fran Jovic (CRO)
Assistant Referee 1: Hrvoje Radic (CRO)
Assistant Referee 2: Luka Pusic (CRO)
Fourth Official: Ivana Martincic (CRO)
Referee Observer: Vladimir Antonov (MDA)