In the number two organization of European football at club level, 10 matches were played in the play-off round.
Here are the results from the matches:
Slavia Prague (Czech) – Zorya Luhansk (Ukraine): 2-0
Hacken (Sweden) – Aberdeen (Scotland): 2-2
Ludogorets (Bulgaria) – Ajax (Netherlands): 1-4
Olimpija Ljubljana (Slovenia) – Karabakh (Azerbaijan): 0-2
Dinamo Zagreb (Croatia) – Sparta Prague (Czech): 3-1
Union Saint-Gilloise (Belgium) – Lugano (Switzerland): 2-0
Slovan Bratislava (Slovakia) – Aris Limassol (Cyprus): 2-1
KI Klaksvik (Faroe Islands) – Sheriff (Moldova): 1-1
Olympiakos (Greece) – Cukaricki (Serbia): 3-1
LASK (Austria) – Zrinjski (Bosnia and Herzegovina): 2-1