FC Minsk – Derby County
Referee: Novak Simović (SRB, photo)
Assistant Referee 1: Nikola Djorović (SRB)
Assistant Referee 2: Miloš Simović (SRB)
Fourth Official: Anton Lašuk (BLR)
Referee Observer: Alieh Čykun (BLR)
Shkendija Tirana – Sheriff Tiraspol
Referee: Zaven Hovhannisyan (ARM)
Assistant Referee 1: Mesrop Ghazaryan (ARM)
Assistant Referee 2: Arman Ghushchyan (ARM)
Fourth Official: Erjon Bastari (ALB)
Referee Observer: Albano Janku (ALB)
Apoel FC – Qabala IK
Referee: Furkat Atazhanov (KAZ)
Assistant Referee 1: Denis Labashov (KAZ)
Assistant Referee 2: Sergey Kalachov (KAZ)
Fourth Official: Kyriákos Christodoúlou (CYP)
Referee Observer: Chrístos Nikolaidis (CYP)
FC Porto – FK Liepāja
Referee: Keith Kennedy (NIR)
Assistant Referee 1: Paul Robinson (NIR)
Assistant Referee 2: Stephen Donaldson (NIR)
Fourth Official: David Oliveira (POR)
Referee Observer: Lucílio Batista (POR)
Dynamo Kyiv – KF Shkendija
Referee: Rauf Cabarov (AZE)
Assistant Referee 1: Akif Amirali (AZE)
Assistant Referee 2: Namiq Hüseynov (AZE)
Fourth Official: Vladyslav Dorosh (UKR)
Referee Observer: Igor Șațchii (MDA)
Stade Rennais – FK Brodarac
Referee: Kai Erik Steen (NOR)
Assistant Referee 1: Jan Engan (NOR)
Assistant Referee 2: Tom Grønevik (NOR)
Fourth Official: Benjamin Lepaysant (FRA)
Referee Observer: Iain Robertson (SCO)
FC Viitorul – NK Domžale
Referee: Fyodor Zammit (MLT)
Assistant Referee 1: Duncan Sultana (MLT)
Assistant Referee 2: Theodore Zammit (MLT)
Fourth Official: Claudio Marcu (ROU)
Referee Observer: Dejan Filipović (SRB)
MTK Budapest – HŠK Zrinjski
Referee: Bram Van Driessche (BEL)
Assistant Referee 1: Yves De Neve (BEL)
Assistant Referee 2: Florian Lemaire (BEL)
Fourth Official: Bence Csonka (HUN)
Referee Observer: Attila Ábrahám (HUN)
IA Akranes – Levadia Tallinn
Referee: Kári Jóannesarson (FRO)
Assistant Referee 1: Jørleif Djurhuus (FRO)
Assistant Referee 2: Jógvan Breckmann (FRO)
Fourth Official: Kristján Ólafs (ISL)
Referee Observer: Eyjólfur Ólafsson (ISL)
Slovan Bratislava – PFC Ludogorets
Referee: Nikólas Neokléous (CYP)
Assistant Referee 1: Charálambos Charalámbous (CYP)
Assistant Referee 2: Michaíl Sotiríou (CYP)
Fourth Official: Martin Dohál (SVK)
Referee Observer: Ján Fašung (SVK)
IF Elfsborg – FC Midtjylland
Referee: Dejan Jakimovski (MKD)
Assistant Referee 1: Kushtrim Lika (MKD)
Assistant Referee 2: Daniel Vasilevski (MKD)
Fourth Official: Granit Maqedonci (SWE)
Referee Observer: Markus Strömbergsson (SWE)
Sogndal Fotball – FC Honka
Referee: Besfort Kasumi (KVX)
Assistant Referee 1: Edmond Zeqiri (KVX)
Assistant Referee 2: Fatmir Sekiraqa (KVX)
Fourth Official: Marius Hansen (NOR)
Referee Observer: Jouni Hyytiä (FIN)
Bohemian FC – PAOK FC
Referee: Robert Jenkins (WAL)
Assistant Referee 1: James Sheils (WAL)
Assistant Referee 2: Jordan Christopher (WAL)
Fourth Official: Mark Moynihan (IRL)
Referee Observer: Gerard Perry (IRL)
BSC Young Boys – Rangers FC
Referee: Emmanouíl Skoulás (GRE)
Assistant Referee 1: Konstantínos Nikolaidis (GRE)
Assistant Referee 2: Vasílios Nikolakákis (GRE)
Fourth Official: Sven Wolfensberger (SUI)
Referee Observer: Francesco Bianchi (SUI)
FC Astana – Maccabi Petah Tikva
Referee: Aleksandrs Golubevs (LVA)
Assistant Referee 1: Raimonds Tatriks (LVA)
Assistant Referee 2: Mārtiņš Svipsts (LVA)
Fourth Official: Daniyar Sakhi (KAZ)
Referee Observer: Pavel Saliy (KAZ)
Real Zaragoza – Korona Kielce
Referee: Kristoffer Karlsson (SWE)
Assistant Referee 1: Peter Allheim (SWE)
Assistant Referee 2: Andreas Söderkvist (SWE)
Fourth Official: Sergio Usón Rosel (ESP)
Referee Observer: Luis Medina Cantalejo (ESP)