First Leg, 19 July 2012Shakhtyor – Ried
Referee: Ovidiu Hategan (ROU, photo)
Assistant Referee 1: Cristian Nica (ROU)
Assistant Referee 2: Octavian Sovre (ROU)
Fourth Official: Sebastian Coltescu (ROU)
Xazar Lankaran – Lech
Referee: Robert Schorgenhofer (AUT)
Assistant Referee 1: Roland Brandner (AUT)
Assistant Referee 2: Matthias Winsauer (AUT)
Fourth Official: Dominik Ouschan (AUT)
Naftan – Crvena Zvezda
Referee: Tony Asumaa (FIN)
Assistant Referee 1: Mikko Alakare (FIN)
Assistant Referee 2: Jonas Turunen (FIN)
Fourth Official: Jari Jarvinen (FIN)
Milsami – Aktobe
Referee: Lorenc Jemini (ALB)
Assistant Referee 1: Ridiger Cokaj (ALB)
Assistant Referee 2: Egin Doda (ALB)
Fourth Official: Ditmar Jubica (ALB)
Anzhi – Honved
Referee: Alon Yefet (ISR)
Assistant Referee 1: Nisan Davidy (ISR)
Assistant Referee 2: Danny Krasikow (ISR)
Fourth Official: Meir Levi (ISR)
Lokomotiv Plovdiv – Vitesse Arnhem
Referee: Antonio Mateu Lahoz (ESP)
Assistant Referee 1: Pau Cebrian Devis (ESP)
Assistant Referee 2: Jon Nunez Fernandez (ESP)
Fourth Official: Carlos Del Cerro Grande (ESP)
Renova – Gomel
Referee: Hubert Siejewicz (POL)
Assistant Referee 1: Konrad Sapela (POL)
Assistant Referee 2: Radoslaw Siejka (POL)
Fourth Official: Pawel Pskit (POL)
Levadia – Anorthosis
Referee: Marco Fritz (GER)
Assistant Referee 1: Christoph Bornhorst (GER)
Assistant Referee 2: Rene Kunsleben (GER)
Fourth Official: Peter Gagelmann (GER)
Metalurgi – Plzen
Referee: Emir Aleckovic (BIH)
Assistant Referee 1: Senad Ibrisimbegovic (BIH)
Assistant Referee 2: Goran Dujak (BIH)
Fourth Official: Elmir Pilav (BIH)
Inter Baki – Asteras
Referee: Mihaly Fabian (HUN)
Assistant Referee 1: Zsolt Varga (HUN)
Assistant Referee 2: Tibor Vamos (HUN)
Fourth Official: Adam Radvanyi (HUN)
JJK – Zeta
Referee: Neil Doyle (IRL)
Assistant Referee 1: Ciaran Delaney (IRL)
Assistant Referee 2: Wayne McDonnell (IRL)
Fourth Official: Derek Tomney (IRL)
Olimpija – Tromso
Referee: Fernando Teixeira Vitienes (ESP)
Assistant Referee 1: Victoriano Diaz Casado (ESP)
Assistant Referee 2: Manuel Torre Cimiano (ESP)
Fourth Official: Jose Gonzalez Gonzalez (ESP)
Differdange – Gent
Referee: Mark Whitby (WAL)
Assistant Referee 1: Philip Thomas (WAL)
Assistant Referee 2: Mark Dyson (WAL)
Fourth Official: John Dean (WAL)
Bnei Yehuda – Shirak
Referee: Richard Liesveld (NED)
Assistant Referee 1: Wilco Lobbert (NED)
Assistant Referee 2: Dave Goossens (NED)
Fourth Official: Rogier Honig (NED)
Rosenborg – Ordabasy
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Laurent Stien (FRA)
Assistant Referee 2: Guillaume Debart (FRA)
Fourth Official: Wilfried Bien (FRA)
Spartak Trnava – Sligo
Referee: Tommy Skjerven (NOR)
Assistant Referee 1: Svein Wiken (NOR)
Assistant Referee 2: Erik Midthjell (NOR)
Fourth Official: Anders Johansen (NOR)
Levski – Sarajevo
Referee: Bruno Paixao (POR)
Assistant Referee 1: Venancio Tome (POR)
Assistant Referee 2: Nuno Conceicao (POR)
Fourth Official: Bruno Esteves (POR)
Apoel – Senica
Referee: Pawel Gil (POL)
Assistant Referee 1: Piotr Sadczuk (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Fourth Official: Pawel Raczkowski (POL)
Ruch – Skopje
Referee: Huseyin Gocek (TUR)
Assistant Referee 1: Emre Eyisoy (TUR)
Assistant Referee 2: Orkun Aktas (TUR)
Fourth Official: Mete Kalkavan (TUR)
AGF – Dila
Referee: Bosko Jovanetic (SRB)
Assistant Referee 1: Srdan Milutinovic (SRB)
Assistant Referee 2: Vladimir Cadenovic (SRB)
Fourth Official: Dragan Krstic (SRB)
Mlada Boleslav – Thor
Referee: Marco Borg (MLT)
Assistant Referee 1: Alan Camilleri (MLT)
Assistant Referee 2: Sammy Attard (MLT)
Fourth Official: Fyodor Zammit (MLT)
AIK – FH
Referee: Wim Smet (BEL)
Assistant Referee 1: Gregory Crotteux (BEL)
Assistant Referee 2: Dirk Gilon (BEL)
Fourth Official: Peter Vervecken (BEL)
Eskisehirspor – St. Johnstone
Referee: Ante Vucemilovic-Simunovic (CRO)
Assistant Referee 1: Dalibor Conjar (CRO)
Assistant Referee 2: Goran Pataki (CRO)
Fourth Official: Domagoj Ljubicic (CRO)
Tirana – Aalesund
Referee: Aleksei Kulbakov (BLR)
Assistant Referee 1: Andrei Getikov (BLR)
Assistant Referee 2: Dmitry Zhuk (BLR)
Fourth Official: Denis Shcherbakov (BLR)
Metalurg Donetsk – Celik Niksic
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Jakob Bille (DEN)
Assistant Referee 2: Dennis Rasmussen (DEN)
Fourth Official: Mads Kristoffersen (DEN)
Koprivnica – Portadown
Referee: Paolo Mazzoleni (ITA)
Assistant Referee 1: Mauro Tonolini (ITA)
Assistant Referee 2: Fabio Galloni (ITA)
Fourth Official: Andrea Romeo (ITA)
Dacia – Elfsborg
Referee: Carlos Xistra (POR)
Assistant Referee 1: Nuno Pereira (POR)
Assistant Referee 2: Jose Braga (POR)
Fourth Official: Vasco Santos (POR)
Zalgiris – Admira
Referee: Mark Courtney (NIR)
Assistant Referee 1: Eamonn Shanks (NIR)
Assistant Referee 2: Gareth Eakin (NIR)
Fourth Official: Tim Marshall (NIR)
Young Boys – Zimbru
Referee: Miroslav Zelinka (CZE)
Assistant Referee 1: Ondrej Pelikan (CZE)
Assistant Referee 2: Emanuel Marek (CZE)
Fourth Official: Radek Matejek (CZE)
Rapid Bucharest – MyPa
Referee: Stavros Tritsonis (GRE)
Assistant Referee 1: Grigorios Panou (GRE)
Assistant Referee 2: Michael Karsiotis (GRE)
Fourth Official: Michael Koukoulakis (GRE)
Servette – Gandzasar
Referee: Raymond Crangle (NIR)
Assistant Referee 1: Andrew Neeson (NIR)
Assistant Referee 2: James Eakin (NIR)
Fourth Official: Ross Dunlop (NIR)
Twente – Inter Turku
Referee: Cyril Zimmermann (SUI)
Assistant Referee 1: Bruno Zurbrugg (SUI)
Assistant Referee 2: Sladan Josipovic (SUI)
Fourth Official: Stephan Klossner (SUI)
Netanya – KuPS
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Oleg Tselovalnikov (RUS)
Assistant Referee 2: Ildar Zaripov (RUS)
Fourth Official: Aleksandr Egorov (RUS)
Osijek – Kalmar
Referee: Kristinn Jakobsson (ISL)
Assistant Referee 1: Birkir Sigurdarsson (ISL)
Assistant Referee 2: Gylfi Sigurdsson (ISL)
Fourth Official: Gunnar Jonsson (ISL)
Mura – CSKA Sofia
Referee: Lee Probert (ENG)
Assistant Referee 1: Adam Watts (ENG)
Assistant Referee 2: Stuart Burt (ENG)
Fourth Official: Lee Mason (ENG)
Liepajas – Legia
Referee: Antti Munukka (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Jukka Honkanen (FIN)
Fourth Official: Tero Nieminen (FIN)
Slovan Bratislava – Videoton
Referee: Aleksei Nikolaev (RUS)
Assistant Referee 1: Anton Averianov (RUS)
Assistant Referee 2: Ilya Baryshnikov (RUS)
Fourth Official: Eduard Maliy (RUS)
Siroki Brijeg – St. Patrick's
Referee: Istvan Kovacs (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Valentin Avram (ROU)
Fourth Official: Robert Dumitru (ROU)
Vojvodina – Suduva
Referee: Robert Madden (SCO)
Assistant Referee 1: William Conquer (SCO)
Assistant Referee 2: Graham Chambers (SCO)
Fourth Official: Kevin Clancy (SCO)
Hajduk Split – Skonto
Referee: Anastassios Kakos (GRE)
Assistant Referee 1: Christos Akrivos (GRE)
Assistant Referee 2: Dimitris Tatsis (GRE)
Fourth Official: Anastassios Sidiripoulos (GRE)