26 July 2018
Aberdeen – Burnley
Referee: Daniel Siebert (GER, photo)
Assistant Referee 1: Jan Seidel (GER)
Assistant Referee 2: Lasse Koslowski (GER)
Fourth Official: Patrick Ittrich (GER)
Referee Observer: Jan Wegereef (NED)
Viitorul – Vitesse
Referee: Davide Massa (ITA)
Assistant Referee 1: Filippo Meli (ITA)
Assistant Referee 2: Stefano Alassio (ITA)
Fourth Official: Michael Fabbri (ITA)
Referee Observer: Oğuz Sarvan (TUR)
Tobol Kostanay – FC Pyunik
Referee: Juri Frischer (EST)
Assistant Referee 1: Silver Kõiv (EST)
Assistant Referee 2: Veiko Mõtsnik (EST)
Fourth Official: Kristo Külljastinen (EST)
Referee Observer: Eyjólfur Ólafsson (ISL)
Ufa – Domžale
Referee: Donatas Rumšas (LTU)
Assistant Referee 1: Dovydas Sužiedėlis (LTU)
Assistant Referee 2: Vytis Snarskis (LTU)
Fourth Official: Robertas Šmitas (LTU)
Referee Observer: Ladislav Gádoši (SVK)
Ventspils – Girondins de Bordeaux
Referee: Sergey Lapochkin (RUS)
Assistant Referee 1: Aleksey Lunev (RUS)
Assistant Referee 2: Dmitriy Zhvakin (RUS)
Fourth Official: Roman Galimov (RUS)
Referee Observer: Jari Maisonlahti (FIN)
Kairat Almaty – AZ Alkmaar
Referee: Aliyar Ağayev (AZE)
Assistant Referee 1: Zeynal Zeynalov (AZE)
Assistant Referee 2: Rza Mammadov (AZE)
Fourth Official: Orxan Mammadov (AZE)
Referee Observer: Miroslav Liba (CZE)
Spartaks Jūrmala – La Fiorita
Referee: Vitali Meshkov (RUS)
Assistant Referee 1: Igor Demeshko (RUS)
Assistant Referee 2: Nikolai Bogach (RUS)
Fourth Official: Aleksei Sukhoy (RUS)
Referee Observer: Albano Janku (ALB)
Rudar Velenje – FCSB
Referee: Hüseyin Göçek (TUR)
Assistant Referee 1: Kemal Yılmaz (TUR)
Assistant Referee 2: Serkan Ok (TUR)
Fourth Official: Koray Gençerler (TUR)
Referee Observer: Jan Carlsen (DEN)
Balzan FC – Slovan Bratislava
Referee: Jens Maae (DEN)
Assistant Referee 1: Heine Sørensen (DEN)
Assistant Referee 2: Lars Hummelgaard (DEN)
Fourth Official: Morten Krogh (DEN)
Referee Observer: Andrejs Sipailo (LVA)
Hapoel Haifa – FH Hafnarfjördur
Referee: Srdjan Jovanović (SRB)
Assistant Referee 1: Milan Mihajlović (SRB)
Assistant Referee 2: Svetozar Živin (SRB)
Fourth Official: Novica Anđelovski (SRB)
Referee Observer: Vadims Direktorenko (LVA)
Chikhura Sachkhere – NK Maribor
Referee: Kevin Blom (NED)
Assistant Referee 1: Rob van de Ven (NED)
Assistant Referee 2: Charles Schaap (NED)
Fourth Official: Siemen Mulder (NED)
Referee Observer: Rodger Gifford (WAL)
Torpedo Kutaisi – Víkingur
Referee: Artyom Kuchin (KAZ)
Assistant Referee 1: Yevgeniy Belskiy (KAZ)
Assistant Referee 2: Anatoliy Khodin (KAZ)
Fourth Official: Aleksandr Aliyev (KAZ)
Referee Observer: Stefano Podeschi (SMR)
RB Leipzig – BK Häcken
Referee: Aleksandar Stavrev (MKD)
Assistant Referee 1: Marjan Kirovski (MKD)
Assistant Referee 2: Dejan Kostadinov (MKD)
Fourth Official: Dimitar Mečkarovski (MKD)
Referee Observer: Gerard Perry (IRL)
F91 Dudelange – KF Drita
Referee: Leóntios Tráttou (CYP)
Assistant Referee 1: Michális Sotiríou (CYP)
Assistant Referee 2: Pétros Pétrou (CYP)
Fourth Official: Nikólas Neokléous (CYP)
Referee Observer: Marcel Vanelshocht (BEL)
Molde – Laçi
Referee: Adrien Jaccottet (SUI)
Assistant Referee 1: Raffael Zeder (SUI)
Assistant Referee 2: Carmine Sangiovanni (SUI)
Fourth Official: Lionel Tschudi (SUI)
Referee Observer: Niklas Lídarenda (FRO)
Žalgiris Vilnius – FC Vaduz
Referee: István Vad (HUN)
Assistant Referee 1: István Albert (HUN)
Assistant Referee 2: Péter Berettyán (HUN)
Fourth Official: Balázs Berke (HUN)
Referee Observer: John Ferry (NIR)
Maccabi Tel Aviv – Radnički Niš
Referee: Paolo Mazzoleni (ITA)
Assistant Referee 1: Fabiano Preti (ITA)
Assistant Referee 2: Giacomo Paganessi (ITA)
Fourth Official: Piero Giacomelli (ITA)
Referee Observer: Miroslav Tulinger (CZE)
CSKA Sofia – Flyeralarm Admira
Referee: John Beaton (SCO)
Assistant Referee 1: Douglas Potter (SCO)
Assistant Referee 2: Sean Carr (SCO)
Fourth Official: Steven McLean (SCO)
Referee Observer: Petteri Kari (FIN)
Budapest Honvéd – Progrès Niederkorn
Referee: Mohammed Al-Hakim (SWE)
Assistant Referee 1: Peter Magnusson (SWE)
Assistant Referee 2: Mahbod Beigi (SWE)
Fourth Official: Glenn Nyberg (SWE)
Referee Observer: Sergey Zuev (RUS)
Djurgardens IF – FC Mariupol
Referee: Miroslav Zelinka (CZE)
Assistant Referee 1: Ondřej Pelikán (CZE)
Assistant Referee 2: Jan Paták (CZE)
Fourth Official: Emanuel Marek (CZE)
Referee Observer: Vlado Svilokos (CRO)
HŠK Zrinjski – Valletta FC
Referee: Neil Doyle (IRL)
Assistant Referee 1: Emmett Dynan (IRL)
Assistant Referee 2: Allen Lynch (IRL)
Fourth Official: Graham Kelly (IRL)
Referee Observer: Michel Piraux (BEL)
Apoel FC – Flora Tallinn
Referee: Marco Fritz (GER)
Assistant Referee 1: Marco Achmüller (GER)
Assistant Referee 2: Dominik Schaal (GER)
Fourth Official: Martin Petersen (GER)
Referee Observer: Lucílio Batista (POR)
Jagiellonia Białystok – Rio Ave
Referee: Ricardo de Burgos Bengoetxea (ESP)
Assistant Referee 1: Roberto Díaz Pérez (ESP)
Assistant Referee 2: Jon Núñez Fernández (ESP)
Fourth Official: Adrián Cordero Vega (ESP)
Referee Observer: Rune Pedersen (NOR)
Shakhtyor Soligorsk – Lech Poznań
Referee: Svein Oddvar Moen (NOR)
Assistant Referee 1: Kim Haglund (NOR)
Assistant Referee 2: Magnus Lundberg (NOR)
Fourth Official: Espen Andreas Eskås (NOR)
Referee Observer: Igor Pristovnik (CRO)
Nordsjaelland – AIK
Referee: Sébastien Delferière (BEL)
Assistant Referee 1: Yves De Neve (BEL)
Assistant Referee 2: Jo De Weirdt (BEL)
Fourth Official: Christof Dierick (BEL)
Referee Observer: Dragutin Poljak (CRO)
LASK – Lillestrøm
Referee: Aleksey Eskov (RUS)
Assistant Referee 1: Dmitry Mosyakin (RUS)
Assistant Referee 2: Andrey Bolotenkov (RUS)
Fourth Official: Mikhail Vilkov (RUS)
Referee Observer: Boško Jovanetić (SRB)
Dinamo Brest – Atromitos FC
Referee: José Sánchez Martínez (ESP)
Assistant Referee 1: Raúl Cabañero Martínez (ESP)
Assistant Referee 2: José Gallego García (ESP)
Fourth Official: Ignacio Iglesias Villanueva (ESP)
Referee Observer: Leif Sundell (SWE)
Górnik Zabrze – AS Trenčín
Referee: Mattias Gestranius (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Mikko Alakare (FIN)
Fourth Official: Joni Hyytiä (FIN)
Referee Observer: Nikolay Ivanov (RUS)
B36 Tórshavn – Beşiktaş JK
Referee: Yevhen Aranovsky (UKR)
Assistant Referee 1: Serhiy Bekker (UKR)
Assistant Referee 2: Semen Shlonchak (UKR)
Fourth Official: Vitaliy Romanov (UKR)
Referee Observer: Stefan Messner (AUT)
KRC Genk – Fola Esch
Referee: Martin Strömbergsson (SWE)
Assistant Referee 1: Daniel Gustavsson (SWE)
Assistant Referee 2: Magnus Sjöblom (SWE)
Fourth Official: Patrik Eriksson (SWE)
Referee Observer: Kóstas Kapitanís (CYP)
Hajduk Split – Slavia Sofia
Referee: István Kovács (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Mihai Artene (ROU)
Fourth Official: Horațiu Feșnic (ROU)
Referee Observer: Johan Verbist (BEL)
The New Saints – Lincoln Red Imps
Referee: Thorvaldur Árnason (ISL)
Assistant Referee 1: Gunnar Gudmundsson (ISL)
Assistant Referee 2: Birkir Sigurdarson (ISL)
Fourth Official: Thóroddur Hjaltalín (ISL)
Referee Observer: Michael Ross (NIR)
Santa Coloma – Valur Reykjavík
Referee: Sebastian Colțescu (ROU)
Assistant Referee 1: Sebastian Gheorghe (ROU)
Assistant Referee 2: Vladimir Urzică (ROU)
Fourth Official: George Găman (ROU)
Referee Observer: Luc Wilmes (LUX)
Sutjeska – Alashkert
Referee: Alain Bieri (SUI)
Assistant Referee 1: Jan Köbeli (SUI)
Assistant Referee 2: Sertac Kurnazca (SUI)
Fourth Official: Urs Schnyder (SUI)
Referee Observer: Asim Xudiyev (AZE)
Olimpija Ljubljana – Crusaders FC
Referee: Enea Jorgji (ALB)
Assistant Referee 1: Denis Rexha (ALB)
Assistant Referee 2: Rejdi Avdo (ALB)
Fourth Official: Kridens Meta (ALB)
Referee Observer: William Young (SCO)
FC St. Gallen – Sarpsborg FF
Referee: Fábio Veríssimo (POR)
Assistant Referee 1: Paulo Soares (POR)
Assistant Referee 2: Luciano Gomes (POR)
Fourth Official: António Carvalho (POR)
Referee Observer: Elmir Pilav (BIH)
Atalanta BC – FK Sarajevo
Referee: Tamás Bognár (HUN)
Assistant Referee 1: Balázs Buzás (HUN)
Assistant Referee 2: Theodoros Georgiou (HUN)
Fourth Official: Péter Solymosi (HUN)
Referee Observer: Kaj Natri (FIN)
Partizan – Trakai
Referee: Georgi Kabakov (BUL)
Assistant Referee 1: Martin Margaritov (BUL)
Assistant Referee 2: Diyan Valkov (BUL)
Fourth Official: Stanislav Todorov (BUL)
Referee Observer: Jørn West Larsen (DEN)
FK Željezničar – Apollon Limassol
Referee: Alexander Harkam (AUT)
Assistant Referee 1: Andreas Witschnigg (AUT)
Assistant Referee 2: Robert Steinacher (AUT)
Fourth Official: Christian Ciochirca (AUT)
Referee Observer: Volodymyr Petrov (UKR)
Dundalk FC – AEK Larnaca
Referee: Harald Lechner (AUT)
Assistant Referee 1: Andreas Heidenreich (AUT)
Assistant Referee 2: Maximilian Kolbitsch (AUT)
Fourth Official: Julian Weinberger (AUT)
Referee Observer: Plarent Kotherja (ALB)
Spartak Subotica – Sparta Praha
Referee: Paweł Raczkowski (POL)
Assistant Referee 1: Michał Obukowicz (POL)
Assistant Referee 2: Radosław Siejka (POL)
Fourth Official: Tomasz Musiał (POL)
Referee Observer: Helmut Fleischer (GER)
NK Osijek – Rangers FC
Referee: Paweł Gil (POL)
Assistant Referee 1: Konrad Sapela (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Fourth Official: Krzysztof Jakubik (POL)
Referee Observer: Ichko Lozev (BUL)
Hibernian FC – Asteras Tripolis
Referee: Andreas Ekberg (SWE)
Assistant Referee 1: Mehmet Culum (SWE)
Assistant Referee 2: Stefan Hallberg (SWE)
Fourth Official: Kristoffer Karlsson (SWE)
Referee Observer: Manuel Díaz Vega (ESP)
Stjarnan – FC København
Referee: Robert Schörgenhofer (AUT)
Assistant Referee 1: Roland Riedel (AUT)
Assistant Referee 2: Andreas Staudinger (AUT)
Fourth Official: Walter Altmann (AUT)
Referee Observer: Muharrem Aksoy (TUR)
Dunajská Streda – Dinamo Minsk
Referee: Serhiy Boyko (UKR)
Assistant Referee 1: Ihor Alokhin (UKR)
Assistant Referee 2: Volodymyr Volodin (UKR)
Fourth Official: Yaroslav Kozyk (UKR)
Referee Observer: Brian Lawlor (WAL)
Sevilla – Újpest
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonņikovs (LVA)
Fourth Official: Aleksandrs Golubevs (LVA)
Referee Observer: Michális Koukoulákis (GRE)