FC Astana – CFR Cluj
Referee: Lawrence Visser (BEL, photo)
Assistant Referee 1: Thibaud Nijssen (BEL)
Assistant Referee 2: Jo De Weirdt (BEL)
Fourth Official: Kevin Van Damme (BEL)
Referee Observer: Marian Ružbarsky (SVK)
FC Ararat – AIK Stockholm
Referee: Duje Strukan (CRO)
Assistant Referee 1: Goran Perica (CRO)
Assistant Referee 2: Mario Pepur (CRO)
Fourth Official: Marin Vidulin (CRO)
Referee Observer: David Fernández Borbalán (ESP)
Nõmme Kalju – KF Shkendija
Referee: Donald Robertson (SCO)
Assistant Referee 1: Graeme Stewart (SCO)
Assistant Referee 2: Daniel McFarlane (SCO)
Fourth Official: Gregory Aitken (SCO)
Referee Observer: Kaj Østergaard (DEN)
Helsingin Jalkapalloklubi – Havnar Boltfelag
Referee: Giorgi Kruashvili (GEO)
Assistant Referee 1: Zaza Pipia (GEO)
Assistant Referee 2: Levan Todria (GEO)
Fourth Official: Davit Kharitonashvili (GEO)
Referee Observer: Stephen Lodge (ENG)
FK Sarajevo – Celtic FC
Referee: Glenn Nyberg (SWE)
Assistant Referee 1: Daniel Wärnmark (SWE)
Assistant Referee 2: Mahbod Beigi (SWE)
Fourth Official: Mohammed Al-Hakim (SWE)
Referee Observer: Matteo Trefoloni (ITA)
FK Suduva – Crvena Zvezda
Referee: Jørgen Daugbjerg Burchardt (DEN)
Assistant Referee 1: Dennis Wollenberg (DEN)
Assistant Referee 2: Amir Sabic (DEN)
Fourth Official: Michael Tykgaard (DEN)
Referee Observer: Peter Fröjdfeldt (SWE)
F91 Dudelange – Valletta FC
Referee: Arnold Hunter (NIR)
Assistant Referee 1: Gareth Eakin (NIR)
Assistant Referee 2: David Anderson (NIR)
Fourth Official: Lee Tavinder (NIR)
Referee Observer: Rene Temmink (NED)
The New Saints FC – KF Feronikeli
Referee: Trustin Farrugia Cann (MLT)
Assistant Referee 1: Alan Camilleri (MLT)
Assistant Referee 2: Roberto Vella (MLT)
Fourth Official: Philip Farrugia (MLT)
Referee Observer: Darko Čeferin (SVN)
FK Partizani – Qarabag FK
Referee: Thorvaldur Arnason (ISL)
Assistant Referee 1: Johann Gudmundsson (ISL)
Assistant Referee 2: Andri Vigfusson (ISL)
Fourth Official: Petur Gudmundsson (ISL)
Referee Observer: Konrad Plautz (AUT)
FC Sheriff – FC Saburtalo
Referee: Iwan Griffith (WAL)
Assistant Referee 1: Daniel Beckett (WAL)
Assistant Referee 2: Ian Bird (WAL)
Fourth Official: David Morgan (WAL)
Referee Observer: Bertrand Layec (FRA)
Bate Borisov – Piast Gliwice
Referee: Mete Kalkavan (TUR)
Assistant Referee 1: Esat Sancaktar (TUR)
Assistant Referee 2: Samet Çiçek (TUR)
Fourth Official: Arda Kardeşler (TUR)
Referee Observer: Alexandru Deaconu (ROU)
Ferencvarosi TC – PFC Ludogorets
Referee: Eitan Shmuelevitz (ISR)
Assistant Referee 1: David Biton (ISR)
Assistant Referee 2: Avi Goldstain (ISR)
Fourth Official: Eli Hacmon (ISR)
Referee Observer: John Ward (IRL)
Slovan Bratislava – FK Sutjeska
Referee: Vitali Meshkov (RUS)
Assistant Referee 1: Maksim Gavrilin (RUS)
Assistant Referee 2: Aleksei Lunev (RUS)
Fourth Official: Aleksei Sukhoy (RUS)
Referee Observer: Vladimir Antonov (MDA)
Linfield FC – Rosenborg BK
Referee: Ivaylo Stoyanov (BUL)
Assistant Referee 1: Ivo Kolev (BUL)
Assistant Referee 2: Georgi Doynov (BUL)
Fourth Official: Vladimir Valkov (BUL)
Referee Observer: Haim Jakov (ISR)
Dundalk FC – Riga FC
Referee: Peter Kralovič (SVK)
Assistant Referee 1: Milan Štrbo (SVK)
Assistant Referee 2: Miroslav Benko (SVK)
Fourth Official: Martin Dohal (SVK)
Referee Observer: Markus Nobs (SUI)
Valur – Maribor
Referee: Krzysztof Jakubik (POL)
Assistant Referee 1: Arkadiusz Wojcik (POL)
Assistant Referee 2: Tomasz Niemirowski (POL)
Fourth Official: Bartosz Frankowski (POL)
Referee Observer: Frank De Bleeckere (BEL)
