Hibernians FC – Levadia Tallinn
Referee: Volen Chinkov (BUL, photo)
Assistant Referee 1: Deniz Sokolov (BUL)
Assistant Referee 2: Martin Venev (BUL)
Fourth Official: Vasimir El-Hatib (BUL)
Referee Observer: Alon Yefet (ISR)
KF Tirana – HSK Zrinjski
Referee: Loukas Sotiriou (CYP)
Assistant Referee 1: Marios Kalogírou (CYP)
Assistant Referee 2: Charalambos Georgíou (CYP)
Fourth Official: Vasílis Dimitríou (CYP)
Referee Observer: Kevin Parry (WAL)
La Fiorita – KF Ballkani
Referee: Nikola Popov (BUL)
Assistant Referee 1: Georgi Todorov (BUL)
Assistant Referee 2: Miroslav Ivanov (BUL)
Fourth Official: Georgi Dimitrov (BUL)
Referee Observer: Michalis Argyroú (CYP)
Botev Plovdiv – Apoel
Referee: Balazs Berke (HUN)
Assistant Referee 1: Vencel Toth (HUN)
Assistant Referee 2: Peter Garai (HUN)
Fourth Official: Mihaly Kapraly (HUN)
Referee Observer: Kenneth Clark (SCO)
Víkingur – Dunajska Streda
Referee: Nejc Kajtazovič (SVN)
Assistant Referee 1: Grega Kordež (SVN)
Assistant Referee 2: Aleksandar Kasapovič (SVN)
Fourth Official: Roberto Ponis (SVN)
Referee Observer: Raymond Ellingham (WAL)
FK Sutjeska – KI Klaksvik
Referee: Arda Kardeşler (TUR)
Assistant Referee 1: Ali Ögel (TUR)
Assistant Referee 2: Kerem Ersoy (TUR)
Fourth Official: Bahattin Şimşek (TUR)
Referee Observer: Antonio Damato (ITA)
Qyzyljar SK – NK Osijek
Referee: Aleksandrs Anufrijevs (LVA)
Assistant Referee 1: Jevgeņijs Morozovs (LVA)
Assistant Referee 2: Romans Platonovs (LVA)
Fourth Official: Edgars Malcevs (LVA)
Referee Observer: Ladislav Gadoši (SVK)
Tobyl FK – Lincoln Red Imps
Referee: Matthew De Gabriele (MLT)
Assistant Referee 1: Jurgen Spiteri (MLT)
Assistant Referee 2: Mitchell Scerri (MLT)
Fourth Official: Andrea Sciriha (MLT)
Referee Observer: Plarent Kotherja (ALB)
Qairat FK – Kisvarda FC
Referee: Peter Kjaersgaard (DEN)
Assistant Referee 1: Jesper Dahl (DEN)
Assistant Referee 2: Dennis Rasmussen (DEN)
Fourth Official: Mikkel Redder (DEN)
Referee Observer: Alain Hamer (LUX)
FK Liepaja – BSC Young Boys
Referee: David Munro (SCO)
Assistant Referee 1: David Roome (SCO)
Assistant Referee 2: Graeme Stewart (SCO)
Fourth Official: Colin Steven (SCO)
Referee Observer: Vladimir Antonov (MDA)
Ararat Armenia – Paide Linnameeskond
Referee: Sandi Putros (DEN)
Assistant Referee 1: Ole Kronlykke (DEN)
Assistant Referee 2: Rene Risum (DEN)
Fourth Official: Jorgen Burchardt (DEN)
Referee Observer: Augustus Constantin (ROU)
Valmiera FC – FK Skendija
Referee: Michal Očenaš (SVK)
Assistant Referee 1: Tomaš Vorel (SVK)
Assistant Referee 2: Adam Jekkel (SVK)
Fourth Official: Filip Glova (SVK)
Referee Observer: Tony Asumaa (FIN)
FK Makedonija – CSKA Sofia
Referee: Bram Van Driessche (BEL)
Assistant Referee 1: Yves De Neve (BEL)
Assistant Referee 2: Kevin Monteny (BEL)
Fourth Official: Kevin Van Damme (BEL)
Referee Observer: Bernardino Gonzalez Vazquez (BEL)
Lech Poznan – Dinamo Batumi
Referee: Ian McNabb (NIR)
Assistant Referee 1: Paul Robinson (NIR)
Assistant Referee 2: Andrew Nethery (NIR)
Fourth Official: Steven Gregg (NIR)
Referee Observer: Boško Jovanetić (SRB)
SK Saburtalo – FCSB
Referee: Kai Erik Steen (NOR)
Assistant Referee 1: Tom Gronevik (NOR)
Assistant Referee 2: Oystein Ytterland (NOR)
Fourth Official: Mohammad Aslam (NOR)
Referee Observer: Nerijus Dunauskas (LTU)
Zira PFK – Maccabi Tel Aviv
Referee: Robert Hennessy (IRL)
Assistant Referee 1: Emmett Dynan (IRL)
Assistant Referee 2: Dermot Broughton (IRL)
Fourth Official: Oliver Moran (IRL)
Referee Observer: Pavel Salii (KAZ)
SJK Seinäjoki – Lillestrom SK
Referee: Marcel Bîrsan (ROU)
Assistant Referee 1: Sebastian Gheorghe (ROU)
Assistant Referee 2: Mihai Marica (ROU)
Fourth Official: Iulian Dima (ROU)
Referee Observer: Ian Stokes (IRL)
Molde FK – IF Elfsborg
Referee: Willy Delajod (FRA)
Assistant Referee 1: Erwan Finjean (FRA)
Assistant Referee 2: Philippe Jeanne (FRA)
Fourth Official: Thomas Leonard (FRA)
Referee Observer: Milorad Mažić (SRB)
FC Koper – FC Vaduz
Referee: Gergő Bogar (HUN)
Assistant Referee 1: Gergő Vígh-Tarsonyi (HUN)
Assistant Referee 2: Balazs Szalai (HUN)
Fourth Official: Csaba Pinter (HUN)
Referee Observer: Vlado Svilokos (CRO)
KuPS Kuopio – Milsami Orhei
Referee: Aristotelis Diamantopoulos (GRE)
Assistant Referee 1: Konstantinos Psarris (GRE)
Assistant Referee 2: Andreas Meintanas (GRE)
Fourth Official: Georgios Tzovaras (GRE)
Referee Observer: Robert Sedlacek (AUT)
FK Suduva – Viborg FF
Referee: Georgi Davidov (BUL)
Assistant Referee 1: Georgi Doynov (BUL)
Assistant Referee 2: Petar Mitrev (BUL)
Fourth Official: Ivo Andreev (BUL)
Referee Observer: Igor Șațchii (MDA)
Pogon Szczecin – Brondby IF
Referee: Nenad Minaković (SRB)
Assistant Referee 1: Nemanja Petrović (SRB)
Assistant Referee 2: Petar Radić (SRB)
Fourth Official: Danilo Nikolić (SRB)
Referee Observer: Rien Koopman (NED)
MFK Ruzomberok – Riga FC
Referee: Genc Nuza (KOS)
Assistant Referee 1: Fatlum Berisha (KOS)
Assistant Referee 2: Bujar Selimaj (KOS)
Fourth Official: Dardan Çaka (KOS)
Referee Observer: Ognjen Valjić (BIH)
Gzira United – Radnički Niš
Referee: Ferenc Karako (HUN)
Assistant Referee 1: Peter Kobor (HUN)
Assistant Referee 2: Norbert Bornemissza (HUN)
Fourth Official: Peter Zierkelbach (HUN)
Referee Observer: Dimitar Mečkarovski (MKD)
MOL Fehervar – Qabala IK
Referee: Kaspar Sjöberg (SWE)
Assistant Referee 1: Robin Wilde (SWE)
Assistant Referee 2: Andreas Svensson (SWE)
Fourth Official: Granit Maqedonci (SWE)
Referee Observer: Kostas Kapitanis (CYP)
Rapid Wien – Lechia Gdansk
Referee: Elçin Masiyev (AZE)
Assistant Referee 1: Elşad Abdullayev (AZE)
Assistant Referee 2: Parvin Talıbov (AZE)
Fourth Official: Kamal Umudlu (AZE)
Referee Observer: Viktor Shvetsov (UKR)
St Joseph’s FC – Slavia Praha
Referee: Ivar Kristjansson (ISL)
Assistant Referee 1: Birkir Sigurdarson (ISL)
Assistant Referee 2: Gylfi Sigurdsson (ISL)
Fourth Official: Thorvaldur Arnason (ISL)
Referee Observer: Stephen Lodge (ENG)
B36 Torshavn – Tre Fiori FC
Referee: Antonio Nobre (POR)
Assistant Referee 1: Pedro Martins (POR)
Assistant Referee 2: Pedro Mota (POR)
Fourth Official: Helder Malheiro (POR)
Referee Observer: Fritz Stuchlik (AUT)
FC Basel – Crusaders FC
Referee: Amine Kourgheli (BLR)
Assistant Referee 1: Juryj Chomčanka (BLR)
Assistant Referee 2: Viktar Hiecikau (BLR)
Fourth Official: Aliaksiej Kulbakou (BLR)
Referee Observer: Elmir Pilav (BIH)
Royal Antwerp – KF Drita
Referee: Philip Farrugia (MLT)
Assistant Referee 1: Alan Camilleri (MLT)
Assistant Referee 2: James Muscat (MLT)
Fourth Official: Daniel Portelli (MLT)
Referee Observer: Michael Ross (NIR)
Petrocub Hîncești – KF Laçi
Referee: Krzysztof Jakubik (POL)
Assistant Referee 1: Arkadiusz Wojcik (POL)
Assistant Referee 2: Tomasz Niemirowski (POL)
Fourth Official: Piotr Lasyk (POL)
Referee Observer: Gevorg Hovhannisyan (ARM)
Levski Sofia – PAOK
Referee: Jeremie Pignard (FRA)
Assistant Referee 1: Aurelien Drouet (FRA)
Assistant Referee 2: Laurent Coniglio (FRA)
Fourth Official: Bastien Dechepy (FRA)
Referee Observer: Frank De Bleeckere (BEL)
Vorskla Poltava – AIK
Referee: Urs Schnyder (SUI)
Assistant Referee 1: Marco Zürcher (SUI)
Assistant Referee 2: Benjamin Zürcher (SUI)
Fourth Official: Sven Wolfensberger (SUI)
Referee Observer: Jorn-West Larsen (DEN)
Sparta Praha – Viking FK
Referee: Manfredas Lukjančukas (LTU)
Assistant Referee 1: Vytenis Kazlauskas (LTU)
Assistant Referee 2: Mangirdas Mirauskas (LTU)
Fourth Official: Orestas Abramavičius (LTU)
Referee Observer: Stavros Tritsonis (GRE)
CFR Cluj – Inter d’Escaldes
Referee: Alex Troleis (FRO)
Assistant Referee 1: Jan Hermansen (FRO)
Assistant Referee 2: Jorleif Djurhuus (FRO)
Fourth Official: Eiler Rasmussen (FRO)
Referee Observer: Leondios Trattou (CYP)
Aris Limassol – Neftci PFK
Referee: Ivan Bebek (CRO)
Assistant Referee 1: Goran Pataki (CRO)
Assistant Referee 2: Luka Pajić (CRO)
Fourth Official: Dario Bel (CRO)
Referee Observer: Clayton Pisani (MLT)
Hapoel Beer Sheva – Dynamo Minsk
Referee: Espen Eskas (NOR)
Assistant Referee 1: Jan Engan (NOR)
Assistant Referee 2: Isaak Bashevkin (NOR)
Fourth Official: Kristoffer Hagenes (NOR)
Referee Observer: Ante Vučemilović-Šimunović (CRO)
Istanbul Başakşehir – Maccabi Netanya
Referee: Irakli Kvirikashvili (GEO)
Assistant Referee 1: Giorgi Elikashvili (GEO)
Assistant Referee 2: Davit Akhvlediani (GEO)
Fourth Official: Aleko Aptsiauri (GEO)
Referee Observer: Christopher Lautier (MLT)
Aris Thessalonikis – FK Homiel
Referee: Walter Altmann (AUT)
Assistant Referee 1: Andreas Staudinger (AUT)
Assistant Referee 2: Santino Schreiner (AUT)
Fourth Official: Andreas Heiss (AUT)
Referee Observer: Calum Murray (SCO)
Sepsi Sfântu Gheorghe – Olimpija Ljubljana
Referee: Donald Robertson (SCO)
Assistant Referee 1: Alan Mulvanny (SCO)
Assistant Referee 2: Calum Spence (SCO)
Fourth Official: Grant Irvine (SCO)
Referee Observer: Levan Paniashvili (GEO)
Racing Lëtzebuerg – FK Čukarički
Referee: Viktar Šymusik (BLR)
Assistant Referee 1: Siarhiej Kasaviec (BLR)
Assistant Referee 2: Siarhiej Firynovič (BLR)
Fourth Official: Anton Lašuk (BLR)
Referee Observer: Ichko Lozev (BUL)
FK Velež – Hamrun Spartans
Referee: Andrew Davey (NIR)
Assistant Referee 1: Georgios Argyropoulos (NIR)
Assistant Referee 2: Stephen Bell (NIR)
Fourth Official: Christopher Morrison (NIR)
Referee Observer: Alieh Čykun (BLR)
Spartak Trnava – Newtown AFC
Referee: Luka Bilbija (BIH)
Assistant Referee 1: Aleksandar Smiljanić (BIH)
Assistant Referee 2: Damir Lazić (BIH)
Fourth Official: Antoni Bandić (BIH)
Referee Observer: Orhan Erdemir (TUR)
HNK Rijeka – Djurgardens IF
Referee: Christian Ciochirca (AUT)
Assistant Referee 1: Maximilian Weiss (AUT)
Assistant Referee 2: Michael Obritzberger (AUT)
Fourth Official: Alexander Harkam (AUT)
Referee Observer: Sokol Jareci (ALB)
Saint Patrick’s Athletic – NS Mura
Referee: Ishmael Barbara (MLT)
Assistant Referee 1: Roberto Vella (MLT)
Assistant Referee 2: Duncan Spencer (MLT)
Fourth Official: Emanuel Grech (MLT)
Referee Observer: Mika Peltola (FIN)
Motherwell FC – Sligo Rovers
Referee: Kari Hovdanum (FRO)
Assistant Referee 1: Andrew Christiansen (FRO)
Assistant Referee 2: Dan Hojgaard (FRO)
Fourth Official: Johan Ellefsen (FRO)
Referee Observer: Nicolae Grigorescu (ROU)
KF Vllaznia – Universitatea Craiova
Referee: Paul McLaughlin (IRL)
Assistant Referee 1: Christopher Campbell (IRL)
Assistant Referee 2: Eoin Harte (IRL)
Fourth Official: Kevin O’Sullivan (IRL)
Referee Observer: Karel Vidlak (CZE)
Bate Barysau – Konyaspor
Referee: Gustavo Correia (POR)
Assistant Referee 1: Pedro Ribeiro (POR)
Assistant Referee 2: Paulo Bras (POR)
Fourth Official: Joao Gonçalves (POR)
Referee Observer: Kostadin Gerginov (BUL)
Rakow Częstochowa – Astana FK
Referee: Goga Kikacheishvili (GEO)
Assistant Referee 1: Davit Gabisonia (GEO)
Assistant Referee 2: Davit Chigogidze (GEO)
Fourth Official: Irakli Kherkhadze (GEO)
Referee Observer: Marian Ružbarsky (SVK)
Breidablik – Buducnost Podgorica
Referee: Denys Shurman (UKR)
Assistant Referee 1: Eduard Beitinger (GER)
Assistant Referee 2: Dominik Schaal (GER)
Fourth Official: Daniel Schlager (GER)
Referee Observer: Mark Whitby (WAL)
Vikingur Reykjavik – The New Saints
Referee: Peter Kralovič (SVK)
Assistant Referee 1: Milan Štrbo (SVK)
Assistant Referee 2: Dušan Štofik (SVK)
Fourth Official: Peter Ziemba (SVK)
Referee Observer: Manuel Diaz Vega (ESP)
Vitoria SC – Puskas Akademia
Referee: Henrik Nalbandyan (ARM)
Assistant Referee 1: Mesrop Ghazaryan (ARM)
Assistant Referee 2: Sargis Hovhannisyan (ARM)
Fourth Official: Shahen Aghayan (ARM)
Referee Observer: Konrad Plautz (AUT)