13-15 August 2019Dundalk FC – Slovan Bratislava
Referee: Robert Schörgenhofer (AUT, photo)
Assistant Referee 1: Markus Gutschi (AUT)
Assistant Referee 2: Santino Schreiner (AUT)
Fourth Official: Alan Kijas (AUT)
Referee Observer: Salustià Ciprés (AND)
Nõmme Kalju – F91 Dudelange
Referee: Sergey Lapochkin (RUS)
Assistant Referee 1: Anton Averyanov (RUS)
Assistant Referee 2: Dmitriy Zhvakin (RUS)
Fourth Official: Vitaliy Meshkov (RUS)
Referee Observer: Attila Ábrahám (HUN)
Linfield FC – FK Sutjeska
Referee: Miroslav Zelinka (CZE)
Assistant Referee 1: Jan Paták (CZE)
Assistant Referee 2: Petr Caletka (CZE)
Fourth Official: Emanuel Marek (CZE)
Referee Observer: Adrian Azzopardi (MLT)
Atrómitos FC – Legia Warszaw
Referee: Bas Nijhuis (NED)
Assistant Referee 1: Bas van Dongen (NED)
Assistant Referee 2: Rogier Honig (NED)
Fourth Official: Siemen Mulder (NED)
Referee Observer: João Ferreira (POR)
Vitória SC – FK Ventspils
Referee: Halil Umut Meler (TUR)
Assistant Referee 1: Mustafa Eyisoy (TUR)
Assistant Referee 2: Cevdet Kömürcüoğlu (TUR)
Fourth Official: Arda Kardeşler (TUR)
Referee Observer: Matteo Trefoloni (ITA)
FC Saburtalo – Ararat Armenia
Referee: Mykola Balakin (UKR)
Assistant Referee 1: Andriy Skrypka (UKR)
Assistant Referee 2: Ihor Alokhin (UKR)
Fourth Official: Oleksandr Derdo (UKR)
Referee Observer: Michális Argyroú (CYP)
HJK Helsinki – Riga FC
Referee: Mohammed Al-Hakim (SWE)
Assistant Referee 1: Fredrik Klyver (SWE)
Assistant Referee 2: Mahbod Beigi (SWE)
Fourth Official: Glenn Nyberg (SWE)
Referee Observer: Eugen Strigel (GER)
Dinamo Tbilisi – Feyenoord
Referee: Sascha Stegemann (GER)
Assistant Referee 1: Marco Achmüller (GER)
Assistant Referee 2: Christian Gittelmann (GER)
Fourth Official: Robert Schröder (GER)
Referee Observer: Miroslav Liba (CZE)
Spartak Moskva – FC Thun
Referee: Bojan Pandzic (SWE)
Assistant Referee 1: Joakim Nilsson (SWE)
Assistant Referee 2: Daniel Gustavsson (SWE)
Fourth Official: Kaspar Sjöberg (SWE)
Referee Observer: Sabri Çelik (TUR)
Šachcior Salihorsk – Torino FC
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Marcel Bîrsan (ROU)
Referee Observer: David Fernández Borbalán (ESP)
Apóllon Limassol – Austria Wien
Referee: Paweł Gil (POL)
Assistant Referee 1: Konrad Sapela (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Fourth Official: Tomasz Kwiatkowski (POL)
Referee Observer: Petteri Kari (FIN)
Mladá Boleslav – FCSB
Referee: Jonathan Lardot (BEL)
Assistant Referee 1: Florian Lemaire (BEL)
Assistant Referee 2: Romain Devillers (BEL)
Fourth Official: Nathan Verboomen (BEL)
Referee Observer: Vlado Svilokos (CRO)
Yeni Malatyaspor – FK Partizan
Referee: Christopher Kavanagh (ENG)
Assistant Referee 1: Daniel Cook (ENG)
Assistant Referee 2: Neil Davies (ENG)
Fourth Official: David Coote (ENG)
Referee Observer: René Temmink (NED)
HŠK Zrinjski – Malmö FF
Referee: Artyom Kuchin (KAZ)
Assistant Referee 1: Yevgeniy Belskiy (KAZ)
Assistant Referee 2: Sergey Vasyutin (KAZ)
Fourth Official: Daniyar Sakhi (KAZ)
Referee Observer: Kaj Østergaard (DEN)
Zorya Luhansk – CSKA Sofia
Referee: Amaury Delerue (FRA)
Assistant Referee 1: Frédéric Haquette (FRA)
Assistant Referee 2: Philippe Jeanne (FRA)
Fourth Official: Olivier Thual (FRA)
Referee Observer: Uno Tutk (EST)
Bnei Yehuda Tel Aviv – Neftçi PFK
Referee: Daniele Doveri (ITA)
Assistant Referee 1: Alessandro Costanzo (ITA)
Assistant Referee 2: Alessio Tolfo (ITA)
Fourth Official: Fabrizio Pasqua (ITA)
Referee Observer: Stéphane Lannoy (FRA)
FK Sūduva – Maccabi Tel Aviv
Referee: Tore Hansen (NOR)
Assistant Referee 1: Øystein Ytterland (NOR)
Assistant Referee 2: Isaak Bashevkin (NOR)
Fourth Official: Espen Eskas (NOR)
Referee Observer: Thóroddur Hjaltalín (ISL)
Bate Barysaŭ – FK Sarajevo
Referee: Kevin Blom (NED)
Assistant Referee 1: Davie Goossens (NED)
Assistant Referee 2: Johan Balder (NED)
Fourth Official: Allard Lindhout (NED)
Referee Observer: Raymond Ellingham (WAL)
AIK Stockholm – Sheriff Tiraspol
Referee: Roi Reinshreiber (ISR)
Assistant Referee 1: David Biton (ISR)
Assistant Referee 2: Dvir Shimon (ISR)
Fourth Official: Ziv Adler (ISR)
Referee Observer: Antonio Damato (ITA)
Hapoel Beer Sheva – IFK Norrköping
Referee: Anastásios Papapétrou (GRE)
Assistant Referee 1: Iordánis Aptósoglou (GRE)
Assistant Referee 2: Trýfon Petrópoulos (GRE)
Fourth Official: Ángelos Evangélou (GRE)
Referee Observer: Goran Mihaljević (MNE)
Trabzonspor – Sparta Praha
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Lars Hummelgaard (DEN)
Assistant Referee 2: Heine Sørensen (DEN)
Fourth Official: Jens Maae (DEN)
Referee Observer: Sándor Piller (HUN)
The New Saints FC – PFC Ludogorets
Referee: Kristo Tohver (EST)
Assistant Referee 1: Silver Kõiv (EST)
Assistant Referee 2: Aron Härsing (EST)
Fourth Official: Joonas Jaanovits (EST)
Referee Observer: Luc Wouters (BEL)
Viktoria Plzeň – Royal Antwerp
Referee: Davide Massa (ITA)
Assistant Referee 1: Alessandro Giallatini (ITA)
Assistant Referee 2: Damiano Di Iorio (ITA)
Fourth Official: Rosario Abisso (ITA)
Referee Observer: Aleksei Spirin (RUS)
AEK Athens – Universitatea Craiova
Referee: Jérôme Brisard (FRA)
Assistant Referee 1: Benjamin Pagès (FRA)
Assistant Referee 2: François Boudikian (FRA)
Fourth Official: Johan Hamel (FRA)
Referee Observer: Jaap Uilenberg (NED)
Valletta FC – FC Astana
Referee: Stephan Klossner (SUI)
Assistant Referee 1: Remy Zgraggen (SUI)
Assistant Referee 2: Marco Zürcher (SUI)
Fourth Official: Stefan Horisberger (SUI)
Referee Observer: Viktor Shvetsov (UKR)
Áris Thessaloniki – Molde FK
Referee: Robert Harvey (IRL)
Assistant Referee 1: Wayne McDonnell (IRL)
Assistant Referee 2: Mark Gavin (IRL)
Fourth Official: Paul McLaughlin (IRL)
Referee Observer: Alain Hamer (LUX)
RC Strasbourg – Lokomotiv Plovdiv
Referee: John Beaton (SCO)
Assistant Referee 1: Alan Mulvanny (SCO)
Assistant Referee 2: Daniel McFarlane (SCO)
Fourth Official: David Munro (SCO)
Referee Observer: Robert Malek (POL)
AZ Alkmaar – FC Mariupol
Referee: Bartosz Frankowski (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Jakub Winkler (POL)
Fourth Official: Daniel Stefański (POL)
Referee Observer: Drago Kos (SVN)
KAA Gent – AEK Larnaca
Referee: Martin Strömbergsson (SWE)
Assistant Referee 1: Peter Allheim (SWE)
Assistant Referee 2: Mikael Hallin (SWE)
Fourth Official: Patrik Eriksson (SWE)
Referee Observer: Paulius Malžinskas (LTU)
PSV Eindhoven – FK Haugesund
Referee: Juan Martínez Munuera (ESP)
Assistant Referee 1: Diego Barbero Sevilla (ESP)
Assistant Referee 2: César Noval Font (ESP)
Fourth Official: Guillermo Cuadra Fernández (ESP)
Referee Observer: Iain Robertson Brines (SCO)
Eintracht Frankfurt – FC Vaduz
Referee: Nikola Dabanović (MNE)
Assistant Referee 1: Milutin Djukić (MNE)
Assistant Referee 2: Vladan Todorović (MNE)
Fourth Official: Miloš Bošković (MNE)
Referee Observer: Vladimír Medved (SVK)
SC Braga – Brondby IF
Referee: Aleksey Eskov (RUS)
Assistant Referee 1: Dmitri Mosyakin (RUS)
Assistant Referee 2: Nikolai Yeryomin (RUS)
Fourth Official: Vasili Kazartsev (RUS)
Referee Observer: Alfredo Trentalange (ITA)
Wolverhampton Wanderers – FC Pyunik
Referee: Donatas Rumšas (LTU)
Assistant Referee 1: Dovydas Sužiedėlis (LTU)
Assistant Referee 2: Vytis Snarskis (LTU)
Fourth Official: Donatas Šimenas (LTU)
Referee Observer: Shmuel Shteif (ISR)
Rangers FC – FC Midtjylland
Referee: Marco Di Bello (ITA)
Assistant Referee 1: Lorenzo Manganelli (ITA)
Assistant Referee 2: Dario Cecconi (ITA)
Fourth Official: Piero Giacomelli (ITA)
Referee Observer: Martin Ingvarsson (SWE)
Aberdeen FC – HNK Rijeka
Referee: Harald Lechner (AUT)
Assistant Referee 1: Andreas Heidenreich (AUT)
Assistant Referee 2: Maximilian Kolbitsch (AUT)
Fourth Official: Julian Weinberger (AUT)
Referee Observer: Gerard Perry (IRL)
RCD Espanyol – FC Luzern
Referee: Manuel Sousa (POR)
Assistant Referee 1: Álvaro Mesquita (POR)
Assistant Referee 2: Nuno Manso (POR)
Fourth Official: Cláudio Pereira (POR)
Referee Observer: Stefano Podeschi (SMR)