First Leg, 2 August 2012Anzhi – Vitesse
Assistant Referee 1: Christophe Capelli (FRA)
Assistant Referee 2: Huseyin Ocak (FRA)
Fourth Official: Benoit Bastien (FRA)
KuPS – Bursaspor
Referee: Sebastien Delferiere (BEL)
Assistant Referee 1: Yves De Neve (BEL)
Assistant Referee 2: Frederick Stalport (BEL)
Fourth Official: Christof Dierick (BEL)
Arsenal Kyiv – Mura
Referee: Antti Munukka (FIN)
Assistant Referee 1: Matti Heininen (FIN)
Assistant Referee 2: Jan-Peter Aravirta (FIN)
Fourth Official: Dennis Antamo (FIN)
Dila – Anorthosis
Referee: Ken Henry Johnsen (NOR)
Assistant Referee 1: Geir Age Holen (NOR)
Assistant Referee 2: Magnus Lundberg (NOR)
Fourth Official: Dag Vidar Hafsas (NOR)
Bnei Yehuda – PAOK
Referee: Pavle Radovanovic (MNE)
Assistant Referee 1: Milutin Djukic (MNE)
Assistant Referee 2: Vladan Todorovic (MNE)
Fourth Official: Mileta Scepanovic (MNE)
Ruch – Plzen
Referee: Antonio Damato (ITA)
Assistant Referee 1: Nicola Nicoletti (ITA)
Assistant Referee 2: Francesco De Luca (ITA)
Fourth Official: Domenico Celi (ITA)
Apoel – Aalesund
Referee: Emir Aleckovic (BIH)
Assistant Referee 1: Hrovje Turudiv (BIH)
Assistant Referee 2: Dalibor Draskovic (BIH)
Fourth Official: Ognjen Valjic (BIH)
Tromso – Metalurh Donetsk
Referee: Steven McLean (SCO)
Assistant Referee 1: William Conquer (SCO)
Assistant Referee 2: Gordon Middleton (SCO)
Fourth Official: John McKendrick (SCO)
Kalmar – Young Boys
Referee: Fernando Teixeira Vitienes (ESP)
Assistant Referee 1: Javier Aguilar Rodriguez (ESP)
Assistant Referee 2: Manuel Torre Cimiano (ESP)
Fourth Official: Jose Teixeira Vitienes (ESP)
AIK – Lech
Referee: Marco Fritz (GER)
Assistant Referee 1: Mike Pickel (GER)
Assistant Referee 2: Rene Kunsleben (GER)
Fourth Official: Tobias Stieler (GER)
Ried – Legia
Referee: Ante Vucemilovic-Simunovic (CRO)
Assistant Referee 1: Dalibor Conjar (CRO)
Assistant Referee 2: Goran Pataki (CRO)
Fourth Official: Danijel Trampus (CRO)
Heerenveen – Rapid
Referee: Manuel De Sousa (POR)
Assistant Referee 1: Bertino Miranda (POR)
Assistant Referee 2: Ricardo Santos (POR)
Fourth Official: Manuel Gomes (POR)
Twente – Mlada Boleslav
Referee: Kristo Tohver (EST)
Assistant Referee 1: Hannes Reinvald (EST)
Assistant Referee 2: Artur Telling (EST)
Fourth Official: Roomer Tarajev (EST)
Steaua – Spartak Trnava
Referee: Kevin Blom (NED)
Assistant Referee 1: Rob van de Ven (NED)
Assistant Referee 2: Patrick Landkamp (NED)
Fourth Official: Dennis Higler (NED)
Servette – Rosenborg
Referee: Simon Lee Evans (WAL)
Assistant Referee 1: Philip Thomas (WAL)
Assistant Referee 2: Kim Fisher (WAL)
Fourth Official: John Dean (WAL)
Asteras – Maritimo
Referee: Vlado Glodjovic (SRB)
Assistant Referee 1: Branko Pavlovic (SRB)
Assistant Referee 2: Dejan Potocan (SRB)
Fourth Official: Slobodan Veselinovic (SRB)
Gomel – Liverpool
Referee: Ivan Kruzliak (SVK)
Assistant Referee 1: Tomas Somolani (SVK)
Assistant Referee 2: Radomir Sluk (SVK)
Fourth Official: Richard Trutz (SVK)
Genk – Aktobe
Referee: Tony Asumaa (FIN)
Assistant Referee 1: Mikko Alakare (FIN)
Assistant Referee 2: Marko Hanninen (FIN)
Fourth Official: Jari Jarvinen (FIN)
Horsens – Elfsborg
Referee: Mark Courtney (NIR)
Assistant Referee 1: Eamon Shanks (NIR)
Assistant Referee 2: Andrew Neeson (NIR)
Fourth Official: Raymond Crangle (NIR)
Crvena Zvezda – Omonia
Referee: Rene Eisner (AUT)
Assistant Referee 1: Klaus Strasser (AUT)
Assistant Referee 2: Gregor Danler (AUT)
Fourth Official: Manfred Krassnitzer (AUT)
Videoton – Gent
Referee: Silvio Mazzoleni (ITA)
Assistant Referee 1: Luca Maggiani (ITA)
Assistant Referee 2: Andrea Padovan (ITA)
Fourth Official: Andrea Gervasoni (ITA)
Dundee United – Dinamo Moscow
Referee: Marius Avram (ROU)
Assistant Referee 1: Miklos Nagy (ROU)
Assistant Referee 2: Valentin Avram (ROU)
Fourth Official: Dragos Istrate (ROU)
Eskisehirspor – Marseille
Referee: Pawel Gil (POL)
Assistant Referee 1: Piotr Sadczuk (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Fourth Official: Pawel Raczkowski (POL)
St. Patrick's – Hannover
Referee: Tamas Bognar (HUN)
Assistant Referee 1: Robert Kispal (HUN)
Assistant Referee 2: Peter Berettyan (HUN)
Fourth Official: Adam Farkas (HUN)
Hajduk – Inter Milano
Referee: Huseyin Gocek (TUR)
Assistant Referee 1: Mustafa Eyisoy (TUR)
Assistant Referee 2: Orkun Aktas (TUR)
Fourth Official: Mete Kalkavan (TUR)
Vojvodina – Rapid Wien
Referee: Artyom Kuchin (KAZ)
Assistant Referee 1: Evgeni Belski (KAZ)
Assistant Referee 2: Sanzhar Iskakov (KAZ)
Fourth Official: Aleksey Bobrov (KAZ)
Athletic – Slaven
Referee: Serhiy Boiko (UKR)
Assistant Referee 1: Oleksandr Korniyko (UKR)
Assistant Referee 2: Volodymyr Volodin (UKR)
Fourth Official: Andrii Kuzmin (UKR)
Sarajevo – Zeta
Referee: Anastassios Kakos (GRE)
Assistant Referee 1: Christos Akrivos (GRE)
Assistant Referee 2: Dimitris Tatsis (GRE)
Fourth Official: Ilias Spathas (GRE)
Admira – Sparta Praha
Referee: Martin Hansson (SWE)
Assistant Referee 1: Fredrik Nilsson (SWE)
Assistant Referee 2: Henrik Andren (SWE)
Fourth Official: Magnus Ahlsen (SWE)
