Maccabi Tel Aviv (ISR) 2 (Blackman 15, Cohen 48), CFR Cluj (ROU) 2 (Culio 19-pen, Rondon 42)
Cluj win 3-2 on aggregate
Kalju Nomme (EST) 0, Celtic (SCO) 2 (Kulinits 10-og, Shved 90+3)
Celtic win 7-0 on aggregate
APOEL Nicosia (CYP) 3 (Pavlovic 13, 25, 66), Sutjeska Niksic (MNE) 0
APOEL win 4-0 on aggregate
Dinamo Zagreb 3 (Orsic 77, Petkovic 88, Dani Olmo 90+4), FC Saburtalo 0
Dinamo win 5-0 on aggregate
Valetta (MLT) 1 (Fontanella 27-pen), Ferencvaros (HUN) 1 (Nguen 60)
Ferencvaros win 4-2 on aggregate
Basel (SUI) 2 (Comert 8, Van Wolfswinkel 68), PSV Eindhoven (NED) 1 (Bruma 23)
4-4 on aggregate, Basel win on away goals
Olympiakos (GRE) 4 (Guilherme 51, 73, Guerrero 70 Ruben Semedo 82), Viktoria Plzen (CZE) 0
Olympiakos win 4-0 on aggregate