AEK Larnaca – FK Partizan
Referee: Andris Treimanis (LVA, photo)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonņikovs (LVA)
Fourth Official: Aleksandrs Golubevs (LVA)
Referee Observer: Karen Nalbandyan (ARM)
Malmö FF – F91 Diddeleng
Referee: Enea Jorgji (ALB)
Assistant Referee 1: Denis Rexha (ALB)
Assistant Referee 2: Ridiger Çokaj (ALB)
Fourth Official: Eldorjan Hamiti (ALB)
Referee Observer: Carlos Velasco Carballo (ESP)
Fenerbahce SK – FC Slovacko
Referee: Joao Pinheiro (POR)
Assistant Referee 1: Bruno Jesus (POR)
Assistant Referee 2: Luciano Maia (POR)
Fourth Official: Gustavo Correia (POR)
Referee Observer: Konrad Plautz (AUT)
NK Maribor – HJK Helsinki
Referee: Georgi Kabakov (BUL)
Assistant Referee 1: Martin Margaritov (BUL)
Assistant Referee 2: Diyan Valkov (BUL)
Fourth Official: Volen Chinkov (BUL)
Referee Observer: Haim Jakov (ISR)
Linfield FC – FC Zürich
Referee: Marco Di Bello (ITA)
Assistant Referee 1: Alessandro Giallatini (ITA)
Assistant Referee 2: Sergio Ranghetti (ITA)
Fourth Official: Luca Massimi (ITA)
Referee Observer: Raymond Ellingham (WAL)
Shamrock Rovers – FK Skupi
Referee: Bartosz Frankowski (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Jakub Winkler (POL)
Fourth Official: Krzysztof Jakubik (POL)
Referee Observer: Stefano Podeschi (SMR)
Olympiakos SFP – Slovan Bratislava
Referee: Lawrence Visser (BEL)
Assistant Referee 1: Rien Vanyzere (BEL)
Assistant Referee 2: Thibaud Nijssen (BEL)
Fourth Official: Lothar D’Hondt (BEL)
Referee Observer: Dejan Filipović (SRB)