Ayutthaya United pulled off a major upset, defeating title contenders Bangkok United FC 3-1 in Thai League 1 on Sunday, December 14th, 2025. In a stunning result at the Ayutthaya Provincial Stadium, the home side delivered a magnificent performance to topple one of the league's giants. Ayutthaya United played with intensity and purpose, taking a shock lead and then doubling it before halftime. Bangkok United, shell-shocked, managed a goal to get back into the game, but Ayutthaya sealed the victory with a late third goal. This remarkable win provided a huge boost to Ayutthaya's survival hopes and sent shockwaves through the title race, dealing a significant blow to Bangkok United's championship ambitions.