Grup A
FC Zurich 3-1 Apollon Limassol
Gol: Berat Djimsiti 32', Yassine Chikhaoui 39' (pen), 59' (pen) - Farley Rosa 23'
Villarreal 2-2 Borussia Moenchengladbach
Gol: Luciano Dario Vietto 26', Denis Cheryshev 63' - Raffael 55', Granit Xhaka 67'
Grup B
HJK 2-1 FC Koebenhavn
Gol: Gideon Baah 29', Macoumba Kandji 90' - Per Nilsson 89'
Torino 0-0 Club Brugge
Gol: —
Grup C
Asteras Tripolis 2-2 Besiktas
Gol: Jeronimo Barrales 72', Facundo Parra 83' - Demba Ba 15', Gokhan Tore 62' (pen)
Kartu merah: Atiba Hutchinson 73' (Besiktas)
Tottenham Hotspur 1-0 Partizan Beograd
Gol: Benjamin Stambouli 49'
Grup D
Astra Giurgiu 1-0 Dinamo Zagreb
Gol: Sadat Bukari 50'
Celtic 1-3 Salzburg
Gol: Stefan Johansen 30' - Alan 8', 13', Naby Keita 90'
Grup E
Dinamo Moscow 2-1 Panathinaikos
Gol: Konstantinos Triantafyllopoulos 55' (og), Aleksey Ionov 61' - Marcus Berg 14'