Rezultate:
-marţi, 13 august: Qarabag – APOEL 0-2 (în tur 2-1), Rosenborg – Maribor 3-1 (3-1), Dynamo Kyiv – Club Brugge 3-3 (0-1), FC Copenhaga – Steaua Roșie Belgrad 6-7 (1-1), Ferencvaros – Dinamo Zagreb 0-4 (1-1), Ajax – PAOK 3-2 (2-2), LASK Linz – FC Basel 3-1 (2-1), Olympiakos – Basaksehir 2-0 (1-0), Celtic – CFR Cluj 3-4 (1-1); ora 22.00: FC Porto – Krasnodar 2-3 (1-0).