24 August 2017
AEK Larnaca – Viktoria Plzeň
Referee: Artur Soares Dias (POR, photo)
Assistant Referee 1: Rui Barbosa (POR)
Assistant Referee 2: Paulo Santos (POR)
Fourth Official: Joao Pinheiro (POR)
Referee Observer: Darko Čeferin (SVN)
Dynamo Kyiv – Marítimo
Referee: Liran Liany (ISR)
Assistant Referee 1: David Bitton (ISR)
Assistant Referee 2: Dvir Shimon (ISR)
Fourth Official: Alon Yefet (ISR)
Referee Observer: Fredy Fautrel (FRA)
Östersunds – PAOK
Referee: Pawel Raczkowski (POL)
Assistant Referee 1: Michał Obukowicz (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Tomasz Kwiatkowski (POL)
Referee Observer: Laurent Duhamel (FRA)
FC Sheriff – Legia Warszawa
Referee: Ivan Bebek (CRO)
Assistant Referee 1: Tomislav Petrović (CRO)
Assistant Referee 2: Miro Grgić (CRO)
Fourth Official: Mario Zebec (CRO)
Referee Observer: Morgan Norman (SWE)
Zenit – Utrecht
Referee: Carlos Del Cerro Grande (ESP)
Assistant Referee 1: Juan Yuste Jiménez (ESP)
Assistant Referee 2: Abrahám Álvarez Cantón (ESP)
Fourth Official: Santiago Jaime Latre (ESP)
Referee Observer: Miroslav Tulinger (CZE)
Olexandriya – Bate Borisov
Referee: Miroslav Zelinka (CZE)
Assistant Referee 1: Jan Paták (CZE)
Assistant Referee 2: Ondřej Pelikán (CZE)
Fourth Official: Radek Příhoda (CZE)
Referee Observer: Boško Jovanetić (SRB)
Maccabi Tel Aviv – SCR Altach
Referee: Aleksei Eskov (RUS)
Assistant Referee 1: Dmitri Mosiakin (RUS)
Assistant Referee 2: Igor Demeshko (RUS)
Fourth Official: Vladimir Moskalev (RUS)
Referee Observer: Costas Kapitanis (CYP)
Salzburg – Viitorul
Referee: Stefan Johannesson (SWE)
Assistant Referee 1: Fredrik Nilsson (SWE)
Assistant Referee 2: Mehmet Culum (SWE)
Fourth Official: Andreas Ekberg (SWE)
Referee Observer: Haim Jakov (ISR)
Sūduva – Ludogorets
Referee: Halis Özkahya (TUR)
Assistant Referee 1: Cem Satman (TUR)
Assistant Referee 2: Hakan Yemişken (TUR)
Fourth Official: Arda Kardeşler (TUR)
Referee Observer: Nuno Castro (POR)
Fenerbahçe – Vardar
Referee: Daniel Stefanski (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Dawid Golis (POL)
Fourth Official: Zbigniew Dobrynin (POL)
Referee Observer: Kristinn Jakobsson (ISL)
Videoton – Partizan
Referee: Andre Marriner (ENG)
Assistant Referee 1: Stephen Child (ENG)
Assistant Referee 2: Constantine Hatzidakis (ENG)
Fourth Official: Paul Tierney (ENG)
Referee Observer: Oguz Sarvan (TUR)
Skënderbeu – Dinamo
Referee: István Vad (HUN)
Assistant Referee 1: István Albert (HUN)
Assistant Referee 2: Peter Berettyán (HUN)
Fourth Official: Ferenc Karakó (HUN)
Referee Observer: Luc Wilmes (LUX)
Midtjylland – Apollon Limassol
Referee: Robert Schörgenhofer (AUT)
Assistant Referee 1: Markus Gutschi (AUT)
Assistant Referee 2: Roland Riedel (AUT)
Fourth Official: Christopher Jäger (AUT)
Referee Observer: Michael Ross (NIR)
AEK Athens – Club Brugge
Referee: Jesús Gil Manzano (ESP)
Assistant Referee 1: Ángel Nevado Rodríguez (ESP)
Assistant Referee 2: Javier Martínez Nicolás (ESP)
Fourth Official: Juan Martínez Munuera (ESP)
Referee Observer: Nikolai Levnikov (RUS)
Olympique Marseille – NK Domžale
Referee: Orel Grinfeeld (ISR)
Assistant Referee 1: Danny Krasikow (ISR)
Assistant Referee 2: Roy Hassan (ISR)
Fourth Official: Menashe Masiah (ISR)
Referee Observer: Vítor Melo Pereira (POR)
Rosenborg – Ajax
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Guillaume Debart (FRA)
Assistant Referee 2: Frédéric Cano (FRA)
Fourth Official: Amaury Delerue (FRA)
Referee Observer: Eugen Strigel (GER)
SC Braga – Hafnarfjödur
Referee: Pawel Gil (POL)
Assistant Referee 1: Konrad Sapela (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Fourth Official: Bartosz Frankowski (POL)
Referee Observer: Vladimir Medved (SVK)
Athletic Club – Panathinaikos
Referee: Benoît Bastien (FRA)
Assistant Referee 1: Frédéric Haquette (FRA)
Assistant Referee 2: Hicham Zakrani (FRA)
Fourth Official: Benoît Millot (FRA)
Referee Observer: Hans Reijgwart (NED)
Shkëndija – AC Milan
Referee: István Kovács (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Mihai Artene (ROU)
Fourth Official: Marius Avram (ROU)
Referee Observer: Marinus Koopman (NED)
Hajduk Split – Everton
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Anton Averyanov (RUS)
Assistant Referee 2: Tikhon Kalugin (RUS)
Fourth Official: Sergey Lapochkin (RUS)
Referee Observer: Iain Robertson Brines (SCO)
Crvena Zvezda – FC Krasnodar
Referee: Tobias Stieler (GER)
Assistant Referee 1: Jan Sidel (GER)
Assistant Referee 2: Christian Gittelmann (GER)
Fourth Official: Robert Kampka (GER)
Referee Observer: Kyros Vassaras (GRE)
Austria Wien – NK Osijek
Referee: Vladislav Bezborodov (RUS)
Assistant Referee 1: Valeri Danchenko (RUS)
Assistant Referee 2: Maksim Gavrilin (RUS)
Fourth Official: Igor Fedotov (RUS)
Referee Observer: Tomasz Mikulski (POL)