2 October 2018Chelsea – Molde
Referee: Jørgen Daugbjerg (DEN, photo)
Assistant Referee 1: Dennis Rasmussen (DEN)
Assistant Referee 2: Elvis Boric (DEN)
Fourth Official: John Busby (ENG)
Referee Observer: Raymond Ellingham (WAL)
FC Viitorul – GNK Dinamo
Referee: Juxhin Xhaja (ALB)
Assistant Referee 1: Ani Koçiaj (ALB)
Assistant Referee 2: Heraj Lisaku (ALB)
Fourth Official: Claudiu Marcu (ROU)
Referee Observer: Nicolae Grigorescu (ROU)
3 October 2018
FC Minsk – Illés Akadémia
Referee: Rahim Hasanov (AZE)
Assistant Referee 1: Namiq Hüseynov (AZE)
Assistant Referee 2: Mübariz Haşımov (AZE)
Fourth Official: Viktar Šymusik (BLR)
Referee Observer: Aleh Čykun (BLR)
FC Basel – Hamilton Academical
Referee: Laurent Kopriwa (LUX)
Assistant Referee 1: David Santos (LUX)
Assistant Referee 2: Joaquim Gomes (LUX)
Fourth Official: Stefan Horisberger (SUI)
Referee Observer: Marco Borg (MLT)
Dynamo Kyiv – Septemvri Sofia
Referee: Alexandru Tean (MDA)
Assistant Referee 1: Andrei Bodean (MDA)
Assistant Referee 2: Victor Mardari (MDA)
Fourth Official: Vladyslav Dorosh (UKR)
Referee Observer: Vasyl Melnychuk (UKR)
Qabala İK – Sheriff Tiraspol
Referee: Giorgi Kruashvili (GEO)
Assistant Referee 1: Zaza Menteshashvili (GEO)
Assistant Referee 2: Zaza Pipia (GEO)
Fourth Official: İnqilab Məmmədov (AZE)
Referee Observer: Asim Xudiyev (AZE)
Knattspyrnufélag – Elfsborg
Referee: Kári Jóannesarson (FRO)
Assistant Referee 1: Andrew Christiansen (FRO)
Assistant Referee 2: Arni Rasmussen (FRO)
Fourth Official: Gylfi Tryggvason (ISL)
Referee Observer: Pjetur Sigurdsson (ISL)
Sigma Olomouc – NK Maribor
Referee: Manfredas Lukjančukas (LTU)
Assistant Referee 1: Vladimir Gerasimov (LTU)
Assistant Referee 2: Mangirdas Mirauskas (LTU)
Fourth Official: Jan Machálek (CZE)
Referee Observer: Milan Karadžić (SRB)
Altınordu – HJK Helsinki
Referee: Furkat Atazhanov (KAZ)
Assistant Referee 1: Azamat Akhmetov (KAZ)
Assistant Referee 2: Darkhan Tulegenov (KAZ)
Fourth Official: Emre Kargın (TUR)
Referee Observer: Muharrem Aksoy (TUR)
Anderlecht – Flyeralarm Admira
Referee: Kai Erik Steen (NOR)
Assistant Referee 1: Jan Erik Engan (NOR)
Assistant Referee 2: Anders Olav Dale (NOR)
Fourth Official: Jordy Vermeire (BEL)
Referee Observer: David Malcolm (NIR)
AEL Limassol – PAOK
Referee: Dumitru Muntean (MDA)
Assistant Referee 1: Veaceslav Sivaciov (MDA)
Assistant Referee 2: Zaharia Cotruță (MDA)
Fourth Official: Chrysovalándis Theoulí (CYP)
Referee Observer: Dušan Krchňák (SVK)
Midtjylland – Bohemians
Referee: Ívar Kristjánsson (ISL)
Assistant Referee 1: Birkir Sigurdarson (ISL)
Assistant Referee 2: Andri Vigfússon (ISL)
Fourth Official: Morten Krogh (DEN)
Referee Observer: Leif Sundell (SWE)
Anzhi Makhachkala – Maccabi Tel Aviv
Referee: Aleksandrs Anufrijevs (LVA)
Assistant Referee 1: Romāns Platonovs (LVA)
Assistant Referee 2: Valdis Koritko (LVA)
Fourth Official: Yevgeniy Turbin (RUS)
Referee Observer: Yuri Baskakov (RUS)
MŠK Žilina – Montpellier Hérault
Referee: Admir Šehović (BIH)
Assistant Referee 1: Goran Dujak (BIH)
Assistant Referee 2: Damir Lazić (BIH)
Fourth Official: Bystrík Nemček (SVK)
Referee Observer: Ladislav Gádoši (SVK)
Hertha BSC – Lech Poznań
Referee: Bojan Nikolić (SRB)
Assistant Referee 1: Ilija Lovre (SRB)
Assistant Referee 2: Nenad Radoičić (SRB)
Fourth Official: Christof Günsch (GER)
Referee Observer: Robert Sedlacek (AUT)
Astana – Vllaznia
Referee: Aleksei Matyunin (RUS)
Assistant Referee 1: Viacheslav Semenov (RUS)
Assistant Referee 2: Adlan Hatuyev (RUS)
Fourth Official: Arman Ismuratov (KAZ)
Referee Observer: Levan Paniashvili (GEO)
