Rayong FC produced a stunning performance to defeat Muangthong United 2-0 at home in Thai League 1 on September 14, 2025. This result serves as a major upset and a huge boost for Rayong's survival hopes. Rayong took a surprise lead in the first half against the run of play, capitalizing on a defensive mistake from the more fancied opponents. They doubled their advantage in the second half with a clinical counter-attack, sending the home supporters into raptures. Muangthong United, despite having more of the ball, struggled to break down a determined and well-organized Rayong defense. This match result is a significant shock and will be a landmark victory for Rayong FC in their season.