Jeju SK FC delivered an impressive away performance, defeating Football Club Seoul 3-1 at the Seoul World Cup Stadium on May 31, 2025, in the Korean K League 1. This result served as a significant upset, with the visitors outplaying their more illustrious hosts for large periods of the match. Jeju took a shock lead within the first ten minutes, catching the Seoul defense napping. FC Seoul managed to equalize before halftime from the penalty spot, setting up a tense second half. However, Jeju reclaimed the lead with a stunning long-range effort just after the hour mark and put the game to bed with a third goal on a breakaway in the 80th minute. The home crowd was left frustrated as Seoul's attack faltered against a resolute Jeju backline. This defeat was a major setback for FC Seoul's aspirations for a top-half finish, while the three points provided a massive boost for Jeju SK FC in their battle to move up the league table.