Apollon Limassol – Lech Poznan
Referee: Mattias Gestranius (FIN, photo)
Assistant Referee 1: Jan Peter Aravirta (FIN)
Assistant Referee 2: Mika Lamppu (FIN)
Fourth Official: Petri Viljanen (FIN)
Referee Observer: Vadims Direktorenko (LVA)
Ararat Armenia – NK Celje
Referee: John Beaton (SCO)
Assistant Referee 1: Daniel McFarlane (SCO)
Assistant Referee 2: Douglas Potter (SCO)
Fourth Official: Gavin Duncan (SCO)
Referee Observer: Luc Wouters (BEL)
KuPS Kuopio – FK Suduva
Referee: Manuel Schüttengruber (AUT)
Assistant Referee 1: Roland Brandner (AUT)
Assistant Referee 2: Robert Steinacher (AUT)
Fourth Official: Rene Eisner (AUT)
Referee Observer: Lassin Isaksen (FRO)
Viktoria Plzen – Sonderjyske
Referee: Roi Reinshreiber (ISR)
Assistant Referee 1: David Bitton (ISR)
Assistant Referee 2: Dvir Shimon (ISR)
Fourth Official: Daniel Natan (ISR)
Referee Observer: Domagoj Vuckov (CRO)
Fehervar FC – Stade de Reims
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Grega Kordež (SVN)
Fourth Official: Dragoslav Perič (SVN)
Referee Observer: Draženko Kovačić (CRO)
FC Rostov – Maccabi Haifa
Referee: Petr Ardeleanu (CZE)
Assistant Referee 1: Ivo Nadvornik (CZE)
Assistant Referee 2: Petr Caletka (CZE)
Fourth Official: Karel Hrubes (CZE)
Referee Observer: Asim Khudiyev (AZE)
Djurgardens IF – CFR Cluj
Referee: Bartosz Frankowski (POL)
Assistant Referee 1: Jakub Winkler (POL)
Assistant Referee 2: Bartosz Heinig (POL)
Fourth Official: Krzysztof Jakubik (POL)
Referee Observer: Laurent Duhamel (FRA)
Riga FC – Celtic FC
Referee: Fabio Veríssimo (POR)
Assistant Referee 1: Luis Campos (POR)
Assistant Referee 2: Pedro Martins (POR)
Fourth Official: Antonio Nobre (POR)
Referee Observer: Edward Foley (IRL)
CSKA Sofia – B36 Torshavn
Referee: Tamas Bognar (HUN)
Assistant Referee 1: Buzas Balazs (HUN)
Assistant Referee 2: Peter Kobor (HUN)
Fourth Official: Ferenc Karako (HUN)
Referee Observer: Albano Janku (ALB)
Beşiktaş JK – Rio Ave FC
Referee: Daniel Siebert (GER)
Assistant Referee 1: Jan Seidel (GER)
Assistant Referee 2: Rafael Foltyn (GER)
Fourth Official: Florian Badstübner (GER)
Referee Observer: Thomas Einwaller (AUT)
Willem II – Rangers FC
Referee: Maurizio Mariani (ITA)
Assistant Referee 1: Alberto Tegoni (ITA)
Assistant Referee 2: Daniele Bindoni (ITA)
Fourth Official: Gianpaolo Calvarese (ITA)
Referee Observer: Kyros Vassaras (GRE)
Rosenborg – Alanyaspor
Referee: Kristo Tohver (EST)
Assistant Referee 1: Silver Koiv (EST)
Assistant Referee 2: Sten Klaasen (EST)
Fourth Official: Joonas Jaanovits (EST)
Referee Observer: Alfredo Trentalange (ITA)
Charleroi SC – FK Partizan
Referee: Robert Madden (SCO)
Assistant Referee 1: David Roome (SCO)
Assistant Referee 2: Graeme Stewart (SCO)
Fourth Official: Donald Robertson (SCO)
Referee Observer: Marinus Koopman (NED)
Malmö FF – Lokomotiva Zagreb
Referee: François Letexier (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Mehdi Rahmouni (FRA)
Fourth Official: Amaury Delerue (FRA)
Referee Observer: Haim Jakov (ISR)
NS Mura – PSV Eindhoven
Referee Sandro Schärer (SUI)
Assistant Referee 1: Bekim Zogaj (SUI)
Assistant Referee 2: Jonas Erni (SUI)
Fourth Official: Fedayi San (SUI)
Referee Observer: David Fernandez Borbalan (ESP)
Hapoel Beer Sheva – Motherwell FC
Referee: Sergii Boiko (UKR)
Assistant Referee 1: Volodymyr Volodin (UKR)
Assistant Referee 2: Oleksandr Voytyuk (UKR)
Fourth Official: Anatoliy Abdula (UKR)
Referee Observer: Michalis Argyrou (CYP)
KI Klaksvik – Dinamo Tbilisi
Referee: Thorvaldur Árnason (ISL)
Assistant Referee 1: Johann Gudmundsson (ISL)
Assistant Referee 2: Andri Vigfusson (ISL)
Fourth Official: Petur Gudmundsson (ISL)
Referee Observer: Georgi Yordanov (BUL)
Sheriff Tiraspol – Dundalk FC
Referee: Aleksandar Stavrev (MKD)
Assistant Referee 1: Dejan Kostadinov (MKD)
Assistant Referee 2: Dejan Nedelkoski (MKD)
Fourth Official: Dimitar Mechkarovski (MKD)
Referee Observer: Andrejs Sipailo (LVA)
FK Sarajevo – Buducnost Podgorica
Referee: Jose Sanchez Martinez (ESP)
Assistant Referee 1: Inigo Prieto Lopez (ESP)
Assistant Referee 2: Jose Gallego Garcia (ESP)
Fourth Official: Pablo Gonzalez Fuertes (ESP)
Referee Observer: Joao Ferreira (POR)
Apoel FC – HSK Zrinjski
Referee: Daniel Stefanski (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Dawid Golis (POL)
Fourth Official: Damian Sylwestrzak (POL)
Referee Observer: Levan Paniashvili (GEO)
Galatasaray – Hajduk Split
Referee: Craig Pawson (ENG)
Assistant Referee 1: Lee Betts (ENG)
Assistant Referee 2: Ian Hussin (ENG)
Fourth Official: Robert Jones (ENG)
Referee Observer: Aleh Chykun (BLR)
FC Copenhagen – Piast Gliwice
Referee: Donatas Rumsas (LTU)
Assistant Referee 1: Aleksandr Radius (LTU)
Assistant Referee 2: Dovydas Suziedelis (LTU)
Fourth Official: Donatas Simenas (LTU)
Referee Observer: Costas Kapitanis (CYP)
Standard de Liege – FK Vojvodina
Referee: Harald Lechner (AUT)
Assistant Referee 1: Andreas Heidenreich (AUT)
Assistant Referee 2: Maximilian Kolbitsch (AUT)
Fourth Official: Christian Ciochirca (AUT)
Referee Observer: Mika Peltola (FIN)
KF Skendija – Tottenham Hotspur
Referee: Ali Palabiyik (TUR)
Assistant Referee 1: Serkan Olguncan (TUR)
Assistant Referee 2: Cem Satman (TUR)
Fourth Official: Arda Kardeşler (TUR)
Referee Observer: Bertrand Layec (FRA)
Granada CF – Lokomotiv Tbilisi
Referee: Serdar Gozubuyuk (NED)
Assistant Referee 1: Joost Van Zuilen (NED)
Assistant Referee 2: Rogier Honig (NED)
Fourth Official: Edwin van de Graaf (NED)
Referee Observer: Karel Vidlak (CZE)
VfL Wolfsburg – Desna Chernihiv
Referee: Lawrence Visser (BEL)
Assistant Referee 1: Thibaud Nijssen (BEL)
Assistant Referee 2: Rien Vanyzere (BEL)
Fourth Official: Bram Van Driessche (BEL)
Referee Observer: Jon Skjervold (NOR)
Floriana FC – Flora Tallinn
Referee: Irfan Peljto (BIH)
Assistant Referee 1: Senad Ibrisimbegović (BIH)
Assistant Referee 2: Davor Beljo (BIH)
Fourth Official: Admir Sehović (BIH)
Referee Observer: Are Habicht (EST)
Legia Warszawa – KF Drita
Referee: Halis Ozkahya (TUR)
Assistant Referee 1: Ceyhun Sesiguzel (TUR)
Assistant Referee 2: Kerem Ersoy ((TUR)
Fourth Official: Alper Ulusoy (TUR)
Referee Observer: Viktor Shvetsov (UKR)
FC Basel – Anorthosis Famagusta
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Marcel Birsan (ROU)
Referee Observer: Jouni Hyytia (FIN)
AC Milan – Bodo Glimt
Referee: Fran Jović (CRO)
Assistant Referee 1: Ivica Modrić (CRO)
Assistant Referee 2: Hrvoje Radić (CRO)
Fourth Official: Mario Zebec (CRO)
Referee Observer: Francesco Bianchi (SUI)
LASK – Dunajska Streda
Referee: Jérôme Brisard (FRA)
Assistant Referee 1: Bejnamin Pages (FRA)
Assistant Referee 2: Guillaume Debart (FRA)
Fourth Official: Mikael Lesage (FRA)
Referee Observer: Markus Strömbergsson (SWE)
FC St. Gallen – AEK Athens
Referee: Alejandro Hernandez Hernandez (ESP)
Assistant Referee 1: Jose Naranjo Perez (ESP)
Assistant Referee 2: Jose Alcoba Rodriguez (ESP)
Fourth Official: Javier Alberola Rojas (ESP)
Referee Observer: Herbert Fandel (GER)
HNK Rijeka – Kolos Kovalivka
Referee: Tiago Martins (POR)
Assistant Referee 1: Bruno Alves (POR)
Assistant Referee 2: Pedro Almeida (POR)
Fourth Official: Helder Malheiro (POR)
Referee Observer: Michael Riley (ENG)
Sporting Clube de Portugal – Aberdeen FC
Referee: Nikola Dabanović (MNE)
Assistant Referee 1: Vladan Todorović (MNE)
Assistant Referee 2: Srdjan Jovanović (MNE)
Fourth Official: Radoje Pajović (MNE)
Referee Observer: Elmir Pilav (BIH)