FC St. Pauli fell to a 1–0 defeat against Union Berlin on Sunday, 23 November 2025, in the Bundesliga regular season at Millerntor-Stadion. The match, which kicked off at 16:30 UTC on Matchday 11, saw Union Berlin take a lead into the half-time break at 0–1. German referee Tobias Stieler officiated the contest, which ended with no further goals in the second half.

The result was a significant blow for FC St. Pauli at that stage of the season. Sitting in the lower half of the Bundesliga tabl...