First Leg, 22 August 2013
FC Sevilla – Slask
Referee: Manuel Grafe (GER, photo)
Assistant Referee 1: Thorsten Schiffner (GER)
Assistant Referee 2: Jan Seidel (GER)
Fourth Official: Daniel Siebert (GER)
Referee Observer: Vaclav Krondl (CZE)
Swansea – Petrolul
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Tikhon Kalugin (RUS)
Assistant Referee 2: Anton Averianov (RUS)
Fourth Official: Maksim Layushkin (RUS)
Referee Observer: Juan Fernandez Marin (ESP)
Kuban Krasnodar – Feyenoord
Referee: Clement Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Guillaume Debart (FRA)
Fourth Official: Benoit Bastien (FRA)
Referee Observer: Kostadin Gerginov (BUL)
Zulte Waregem – Apoel
Referee: Marijo Strahonja (CRO)
Assistant Referee 1: Sinisa Premuzaj (CRO)
Assistant Referee 2: Igor Krmar (CRO)
Fourth Official: Ante Vucemilovic Simunovic (CRO)
Referee Observer: Manuel Lopez Fernandez (ESP)
Rapid Wien – Dila
Referee: Stefan Johannesson (SWE)
Assistant Referee 1: Magnus Sjoblom (SWE)
Assistant Referee 2: Daniel Gustavsson (SWE)
Fourth Official: Tobias Mattsson (SWE)
Referee Observer: Nicolae Grigorescu (ROU)
Tromso – Besiktas
Referee: Alan Kelly (IRL)
Assistant Referee 1: Damien MacGraith (IRL)
Assistant Referee 2: Allen Lynch (IRL)
Fourth Official: Neil Doyle (IRL)
Referee Observer: Edgar Steinborn (GER)
Pandurii – Braga
Referee: Florian Meyer (GER)
Assistant Referee 1: Holger Henschel (GER)
Assistant Referee 2: Christoph Bornhorst (GER)
Fourth Official: Peter Sippel (GER)
Referee Observer: Robert Sedlacek (AUT)
Apollon – Nice
Referee: Ivan Kruzliak (SVK)
Assistant Referee 1: Roman Slysko (SVK)
Assistant Referee 2: Tomas Somolani (SVK)
Fourth Official: Richard Trutz (SVK)
Referee Observer: Francesco Bianchi (SUI)
Aktobe – Dynamo Kyiv
Referee: Aleksei Kulbakov (BLR)
Assistant Referee 1: Dmitry Zhuk (BLR)
Assistant Referee 2: Andrei Hetsikau (BLR)
Fourth Official: Dzianis Shcharbakou (BLR)
Referee Observer: Levan Paniashvili (GEO)
Atromitos – Alkmaar
Referee: David Fernandez Borbalan (ESP)
Assistant Referee 1: Juan Carlos Yuste (ESP)
Assistant Referee 2: Jorge Canelo Prieto (ESP)
Fourth Official: Pedro Perez Montero (ESP)
Referee Observer: Charles Agius (MLT)
FH – KRC Genk
Referee: Pawel Gil (POL)
Assistant Referee 1: Piotr Sadczuk (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Fourth Official: Robert Malek (POL)
Referee Observer: Michael Riley (ENG)
Elfsborg – Nordsjaelland
Referee: Fernando Teixeira Vitienes (ESP)
Assistant Referee 1: Victoriano Diaz Casado (ESP)
Assistant Referee 2: Manuel Torre Cimiano (ESP)
Fourth Official: Jose Teixeira Vitienes (ESP)
Referee Observer: Matteo Trefoloni (ITA)
Salzburg – Zalgiris
Referee: Aleksandar Stavrev (MKD)
Assistant Referee 1: Marjan Kirovski (MKD)
Assistant Referee 2: Dejan Kostadinov (MKD)
Fourth Official: Dejan Jakimovski (MKD)
Referee Observer: Stefano Farina (ITA)
Qarabag – Eintracht Frankfurt
Referee: Szymon Marciniak (POL)
Assistant Referee 1: Pawel Sokolnicki (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Pawel Raczkowski (POL)
Referee Observer: Zdravko Jokic (SRB)
Minsk – Standard Liege
Referee: Istvan Vad (HUN)
Assistant Referee 1: Istvan Albert (HUN)
Assistant Referee 2: Peter Berettyan (HUN)
Fourth Official: Sandor Ando-Szabo (HUN)
Referee Observer: Karen Nalbandyan (ARM)
Jablonec – Betis Sevilla
Referee: Alexandru Tudor (ROU)
Assistant Referee 1: Cristian Nica (ROU)
Assistant Referee 2: Aurel Onita (ROU)
Fourth Official: Marius Avram (ROU)
Referee Observer: Christer Fallstrom (SWE)
Rijeka – Stuttgart
Referee: Bas Nijhuis (NED)
Assistant Referee 1: Rob van de Ven (NED)
Assistant Referee 2: Charles Schaap (NED)
Fourth Official: Dennis Higler (NED)
Referee Observer: Fritz Stuchlik (AUT)
Chernomorets Odesa – Skenderbeu
Referee: Anastasios Kakos (GRE)
Assistant Referee 1: Dimitrios Tatsis (GRE)
Assistant Referee 2: Michael Karsiotis (GRE)
Fourth Official: Ilias Spathas (GRE)
Referee Observer: Jouni Hyytia (FIN)
St. Gallen – Spartak Moskva
Referee: Ovidiu Hategan (ROU)
Assistant Referee 1: Miklos Nagy (ROU)
Assistant Referee 2: Octavian Sovre (ROU)
Fourth Official: Cristian Balaj (ROU)
Referee Observer: Frank De Bleeckere (BEL)
Molde – Rubin Kazan
Referee: Alon Yefet (ISR)
Assistant Referee 1: Amihay Mozes (ISR)
Assistant Referee 2: Dvir Shimon (ISR)
Fourth Official: Shay Shirit (ISR)
Referee Observer: Volodymyr Petrov (UKR)
Vojvodina – Sheriff
Referee: Robert Schorgenhofer (AUT)
Assistant Referee 1: Alain Hoxha (AUT)
Assistant Referee 2: Matthias Winsauer (AUT)
Fourth Official: Harald Lechner (AUT)
Referee Observer: Asim Khudiyev (AZE)
Kukes – Trabzonspor
Referee: Stanislav Todorov (BUL)
Assistant Referee 1: Veselin Dobriyanov (BUL)
Assistant Referee 2: Georgi Slavov (BUL)
Fourth Official: Ivaylo Stoyanov (BUL)
Referee Observer: Horst Brummeier (AUT)
Esbjerg – St. Etienne
Referee: Robert Madden (SCO)
Assistant Referee 1: Alasdair Ross (SCO)
Assistant Referee 2: David McGeachie (SCO)
Fourth Official: Brian Colvin (SCO)
Referee Observer: Rene Temmink (NED)
Grasshoppers – Fiorentina
Referee: Matej Jug (SVN)
Assistant Referee 1: Andrej Kokolj (SVN)
Assistant Referee 2: Marko Stancin (SVN)
Fourth Official: Dragoslav Peric (SVN)
Referee Observer: Bertrand Layec (FRA)
Maccabi Haifa – Astra
Referee: Kevin Blom (NED)
Assistant Referee 1: Berry Simons (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Fourth Official: Serdar Gozubuyuk (NED)
Referee Observer: Dragutin Poljak (CRO)
Udinese – Liberec
Referee: Tom Harald Hagen (NOR)
Assistant Referee 1: Dag-Roger Nebben (NOR)
Assistant Referee 2: Magnus Lundberg (NOR)
Fourth Official: Dag Vidar Hafsas (NOR)
Referee Observer: Stefan Ormandjiev (BUL)
Dinamo Tbilisi – Tottenham
Referee: Pol van Boekel (NED)
Assistant Referee 1: Davie Goossens (NED)
Assistant Referee 2: Bas van Dongen (NED)
Fourth Official: Ed Janssen (NED)
Referee Observer: Alain Hamer (LUX)
Estoril – Pasching
Referee: Bulent Yildirim (TUR)
Assistant Referee 1: Serkan Gencerler (TUR)
Assistant Referee 2: Ekrem Kan (TUR)
Fourth Official: Mustafa Coscun (TUR)
Referee Observer: Tomasz Mikulski (POL)
Kalju – Dnipro
Referee: Kristinn Jakobsson (ISL)
Assistant Referee 1: Johann Gudmundsson (ISL)
Assistant Referee 2: Gunnar Gunnarsson (ISL)
Fourth Official: Thoroddur Hjaltalin (ISL)
Referee Observer: Stephen Lodge (ENG)
Partizan – Thun
Referee: Serhiy Boiko (UKR)
Assistant Referee 1: Oleksii Andrieiev (UKR)
Assistant Referee 2: Oleksandr Voytyuk (UKR)
Fourth Official: Ievgenii Aranovskyi (UKR)
Referee Observer: William Young (SCO)