SISAKET, Thailand (Interstat) — Ayutthaya Utd defeated Sisaket Utd 1-0 on Saturday, Sept. 12, 2026, in a Thai League 1 match at Sri Nakhon Lamduan Stadium. Lucas Dias scored the only goal in the 64th minute and played 78 minutes. Ayutthaya improved to 2-0 in the competition and overall. Sisaket fell to 0-2 in the competition and overall. Passakorn Biaothungnoi was booked in the 26th minute and Hirotaka Mita in the 42nd for Ayutthaya, while Kittipong Wongma in the 37th and Suphaphon Sutthisak in the 60th were cautioned for Sisaket. Before the match, Ayutthaya had beaten Ratchaburi 2-1 on Sept. 6, while Sisaket had lost 3-1 at Bangkok Utd on Sept. 5. Ayutthaya next hosts Uthai Thani on Friday, Sept. 18. Sisaket next travels to Chiang Rai on Saturday, Sept. 19. The visitors protected their narrow lead after halftime and held the home side scoreless. The result kept Ayutthaya unbeaten this season and left Sisaket still seeking its first win.