MŠK Žilina (SVK) - HNK Rijeka (CRO)
Referee: Antonio Damato (ITA, photo)
Assistant 1: Lorenzo Manganelli (ITA)
Assistant 2: Claudio La Rocca (ITA)
Fourth Official: Domenico Celi (ITA)
Referee Observer: Aleh Chykun (BLR)
Crvena Zvezda (SRB) - Chernomorets Odesa (UKR)
Referee: Artur Soares (POR)
Assistant 1: Bertino Miranda (POR)
Assistant 2: Rui Tavares (POR)
Fourth Official: Paulo Batista (POR)
Referee Observer: Marinus Koopman (NED)
Udinese Calcio (ITA) - NK Široki Brijeg (BIH)
Referee: Antti Munukka (FIN)
Assistant 1: Matti Heininen (FIN)
Assistant 2: Jan-Peter Aravirta (FIN)
Fourth Official: Dennis Antamo (FIN)
Referee Observer: Lutz-Michael Frohlich (GER)
Maccabi Haifa FC (ISR) - FK Ventspils (LVA)
Referee: Michael Lerjeus (SWE)
Assistant 1: Henrik Andren (SWE)
Assistant 2: Per Brogevik (SWE)
Fourth Official: Johan Hamlin (SWE)
Referee Observer: Stefan Ormandjiev (BUL)
Trabzonspor AS (TUR) – FC Dinamo Minsk (BLR)
Referee: Stephan Studer (SUI)
Assistant 1: Sandro Pozzi (SUI)
Assistant 2: Sladan Josipovic (SUI)
Fourth Official: Pache Sébastien (SUI)
Referee Observer: Patritiu Abrudan (ROU)
Club Brugge KV (BEL) – WSK Slask Wroclaw (POL)
Referee: Miroslav Zelinka (CZE)
Assistant 1: Ondrej Pelikan (CZE)
Assistant 2: Ivo Nadvornik (CZE)
Fourth Official: Pavel Orel (CZE)
Referee Observer: Eugen Strigel (GER)
FC Astra (ROU) - AS Trencín (SVK)
Referee: Ruddy Buquet (FRA)
Assistant 1: Guillaume Debart (FRA)
Assistant 2: Cyril Lompre (FRA)
Fourth Official: Benoit Millot (FRA)
Referee Observer: Levan Paniashvili (GEO)
Malmö FF (SWE) - Swansea City FC (WAL)
Referee: Serdar Gozubuyuk (NED)
Assistant 1: John Charles Schaap (NED)
Assistant 2: Hessel Steegstra (NED)
Fourth Official: Martin Van den Kerkhof (NED)
Referee Observer: Alfredo Trentalange (ITA)
Vitesse (NED) - FC Petrolul Ploiesti (ROU)
Referee: Ante Vucemilovic-Simunovic (CRO)
Assistant 1: Borut Krizaric (CRO)
Assistant 2: Saša Feges (CRO)
Fourth Official: Zlatko Simcic (CRO)
Referee Observer: Vladimir Petrov (UKR)
FC Zürich (SUI) - FC Slovan Liberec (CZE)
Referee: Martin Strombergsson (SWE)
Assistant 1: Joakim Flink (SWE)
Assistant 2: Daniel Gustavsson (SWE)
Fourth Official: Mohammed Al-Hakim (SWE)
Referee Observer: Jean Lemmer (LUX)
Breidablik (ISL) - FC Aktobe (KAZ)
Referee: Sebastien Delferiere (BEL)
Assistant 1: Yves De Neve (BEL)
Assistant 2: Jimmy Cremers (BEL)
Fourth Official: Jonathan Lardot (BEL)
Referee Observer: Neale Barry (ENG)
FC Rubin Kazan (RUS) - Randers FC (DEN)
Referee: Kevin Clancy (SCO)
Assistant 1: Graham Chambers (SCO)
Assistant 2: David McGeachie (SCO)
Fourth Official: Greg Aitken (SCO)
Referee Observer: Vítor Melo Pereira (POR)
KKS Lech Poznan (POL) – VMFD Zalgiris (LTU)
Referee: Ken Henry Johnsen (NOR)
Assistant 1: Sven Erik Midthjell (NOR)
Assistant 2: Jan Erik Engan (NOR)
Fourth Official: Ola Hobber Nilsen (NOR)
Referee Observer: Raymond Ellingham (WAL)
FK Mladost Podgorica (MNE) - Sevilla FC (ESP)
Referee: Ievgenii Aranovskyi (UKR)
Assistant 1: Semen Shlonchak (UKR)
Assistant 2: Igor Bytskalo (UKR)
Fourth Official: Sergiy Berezka (UKR)
Referee Observer: Nicolae Grigorescu (ROU)
FC Dila Gori (GEO) - HNK Hajduk Split (CRO)
Referee: Tamás Bognar (HUN)
Assistant 1: Peter Berettyán (HUN)
Assistant 2: Oszkar Lemon (HUN)
Fourth Official: Peter Solymosi (HUN)
Referee Observer: Tomasz Mikulski (POL)
FC Metalurh Donetsk (UKR) - FK Kukësi (ALB)
Referee: Bülent Yildirim (TUR)
Assistant 1: Serkan Gencerler (TUR)
Assistant 2: Ekrem Kan (TUR)
Fourth Official: Mustafa Coskun (TUR)
Referee Observer: Miroslav Radoman (SRB)
Hapoel Tel-Aviv FC (ISR) - CS Pandurii Târgu Jiu (ROU)
Referee: Paolo Valeri (ITA)
Assistant 1: Alessandro Giallatini (ITA)
Assistant 2: Fabio Galloni (ITA)
Fourth Official: Marco Guida (ITA)
Referee Observer: Georgios Bikas (GRE)
FC Differdange (LUX) - Tromsø IL (NOR)
Referee: Kristo Tohver (EST)
Assistant 1: Dmitri Vinogradov (EST)
Assistant 2: Sten Klaasen (EST)
Fourth Official: Jaan Roos (EST)
Referee Observer: Erol Ersoy (TUR)
FC Kuban Krasnodar (RUS) - Motherwell FC (SCO)
Referee: Cristian Balaj (ROU)
Assistant 1: Octavian Sovre (ROU)
Assistant 2: Ovidiu Artene (ROU)
Fourth Official: Sebastian Coltescu (ROU)
Referee Observer: Miroslav Vitkovic (CRO)
FC Milsami Orhei (MDA) - AS Saint-Étienne (FRA)
Referee: Ilias Spathas (GRE)
Assistant 1: Michael Karsiotis (GRE)
Assistant 2: Lazaros Dimitriadis (GRE)
Fourth Official: Anastasios Kakos (GRE)
Referee Observer: Vaclav Krondl (CZE)
Strømsgodset TF (NOR) - FK Jablonec (CZE)
Referee: Gediminas Mazeika (LTU)
Assistant 1: Vytautas Simkus (LTU)
Assistant 2: Vytenis Kazlauskas (LTU)
Fourth Official: Sergejus Slyva (LTU)
Referee Observer: Sigurdur Hannesson (ISL)
Gefle IF (SWE) – Qarabag FK (AZE)
Referee: Stephan Klossner (SUI)
Assistant 1: Remy Zgraggen (SUI)
Assistant 2: Vital Jobin (SUI)
Fourth Official: Alain Bieri (SUI)
Referee Observer: Rune Pedersen (NOR)
SK Rapid Wien (AUT) - Asteras Tripolis FC (GRE)
Referee: Simon Lee Evans (WAL)
Assistant 1: Philip Thomas (WAL)
Assistant 2: Gareth Wyn Jones (WAL)
Fourth Official: Brian James (WAL)
Referee Observer: Niklas Lídarenda (FRO)
VfB Stuttgart (GER) - PFC Botev Plovdiv (BUL)
Referee: Jan Valasek (SVK)
Assistant 1: Erik Weiss (SVK)
Assistant 2: Ondrej Brendza (SVK)
Fourth Official: Peter Kralovik (SVK)
Referee Observer: Guy Goethals (BEL)
Hapoel Ramat Gan FC (ISR) - Estoril Praia (POR)
Referee: Anastasios Sidiropoulos (GRE)
Assistant 1: Damianos Efthimiadis (GRE)
Assistant 2: Dimitrios Gagas (Gkagkas) (GRE)
Fourth Official: Michael Koukoulakis (GRE)
Referee Observer: Konrad Plautz (AUT)
Bursaspor (TUR) - FK Vojvodina (SRB)
Referee: Javier Estrada Fernandez (ESP)
Assistant 1: Javier Aguilar Rodriguez (ESP)
Assistant 2: Javier Martin Francisco (ESP)
Fourth Official: Ignacio Iglesias Villanueva (ESP)
Referee Observer: Nikolay Levnikov (RUS)
R. Standard de Liège (BEL) - Skoda Xanthi F.C. (GRE)
Referee: Jakob Kehlet (DEN)
Assistant 1: Lars Rix (DEN)
Assistant 2: Jakob Bille (DEN)
Fourth Official: Michael Tykgaard (DEN)
Referee Observer: Uno Tutk (EST)
FC Thun (SUI) - BK Häcken (SWE)
Referee: Arnold Hunter (NIR)
Assistant 1: Eamon Shanks (NIR)
Assistant 2: Richard Storey (NIR)
Fourth Official: Mark Courtney (NIR)
Referee Observer: Dragutin Poljak (CRO)
Saint Johnstone FC (SCO) - FC Minsk (BLR)
Referee: Pavle Radovanovic (MNE)
Assistant Referee 1: Nikola Razic (MNE)
Assistant Referee 2: Milutin Djukic (MNE)
Fourth Official: Milos Boskovic (MNE)
Referee Observer: Edward Foley (IRL)