AEK Larnaka – FC Midtjylland
Referee: Istvan Vad (HUN, photo)
Assistant Referee 1: Vencel Toth (HUN)
Assistant Referee 2: Istvan Albert (HUN)
Fourth Official: Ferenc Karako (HUN)
Referee Observer: Gerard Perry (IRL)
Viktoria Plzen – HJK Helsinki
Referee: Aleksandar Stavrev (MKD)
Assistant Referee 1: Dejan Kostadinov (MKD)
Assistant Referee 2: Kuštrim Lika (MKD)
Fourth Official: Jovan Kačevski (MKD)
Referee Observer: Alan Sant (MLT)
Sheriff Tiraspol – NK Maribor
Referee: Tamas Bognar (HUN)
Assistant Referee 1: Balazs Buzas (HUN)
Assistant Referee 2: Peter Kobor (HUN)
Fourth Official: Balazs Berke (HUN)
Referee Observer: Karen Nalbandyan (ARM)
F91 Diddeleng – Pyunik FA
Referee: Jose Munuera Montero (ESP)
Assistant Referee 1: Inigo Prieto Lopez (ESP)
Assistant Referee 2: Antonio Martinez Moreno (ESP)
Fourth Official: Mario Melero Lopez (ESP)
Referee Observer: William Young (SCO)
FK Skupi – GNK Dinamo
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Lars Hummelgaard (DEN)
Assistant Referee 2: Victor Skytte (DEN)
Fourth Official: Sandi Putros (DEN)
Referee Observer: Fritz Stuchlik (AUT)
Shamrock Rovers – PFK Ludogorets
Referee: Fabio Maresca (ITA)
Assistant Referee 1: Daniele Bindoni (ITA)
Assistant Referee 2: Giuseppe Perrotti (ITA)
Fourth Official: Livio Marinelli (ITA)
Referee Observer: Shmuel Shteif (ISR)
Bodo Glimt – Linfield FC
Referee: Roi Reinshreiber (ISR)
Assistant Referee 1: David Biton (ISR)
Assistant Referee 2: Sagi Metzamber (ISR)
Fourth Official: Eitan Shmuelevitz (ISR)
Referee Observer: Jorn-West Larsen (DEN)
FC Zürich – Qarabag FK
Referee: Allard Lindhout (NED)
Assistant Referee 1: Charles Schaap (NED)
Assistant Referee 2: Roy de Nas (NED)
Fourth Official: Jeroen Manschot (NED)
Referee Observer: Martin Hansson (SWE)
Malmö FF – Zalgiris Vilnius
Referee: Kristo Tohver (EST)
Assistant Referee 1: Silver Koiv (EST)
Assistant Referee 2: Sten Klaasen (EST)
Fourth Official: Martti Pukk (EST)
Referee Observer: Helmut Fleischer (GER)
Fenerbahce SK – Dynamo Kyiv
Referee: Massimiliano Irrati (ITA)
Assistant Referee 1: Filippo Meli (ITA)
Assistant Referee 2: Domenico Rocca (ITA)
Fourth Official: Gianluca Manganiello (ITA)
Referee Observer: Michael Johansen (DEN)
Slovan Bratislava – Ferencvarosi TC
Referee: Marco Di Bello (ITA)
Assistant Referee 1: Giorgio Peretti (ITA)
Assistant Referee 2: Emanuele Prenna (ITA)
Fourth Official: Simone Sozza (ITA)
Referee Observer: Leslie Irvine (NIR)
Olympiakos – Maccabi Haifa
Referee: Daniel Stefanski (POL)
Assistant Referee 1: Dawid Golis (POL)
Assistant Referee 2: Michal Obukowicz (POL)
Fourth Official: Tomasz Wajda (POL)
Referee Observer: John Ward (IRL)
