The winner of the second round tie in between Linfield and Pogon Szczecin will be unseeded and drawn versus among the following seeded groups / winners of other second round ties.
– KAA Gent (BEL) / MŠK Žilina (SVK)
– CFR 1907 Cluj (ROU) / Adana Demirspor (TUR)
– FC Viktoria Plzeň (CZE) / FC Drita (KOS)
– Djurgårdens IF (SWE) / FC Luzern (SUI)
– FC Arouca (POR)