Red Bull Salzburg began their UEFA Europa League 2025 league-stage campaign with a narrow 0–1 defeat to FC Porto on Thursday, 25 September 2025. The match, played on Matchday 1, kicked off at 19:00 UTC under the supervision of Greek referee Vassilis Fotias. The score remained goalless at half-time before Porto found the decisive goal in the second period to take all three points back to Portugal.

The result handed FC Porto a vital opening victory in the new league-phase format, giving them an e...