Thailand U23 began their AFF U23 Youth Championship campaign with a resounding 4-0 win against Timor Leste U23 on July 19, 2025. The one-sided match result highlighted the gulf in class between the two Southeast Asian sides. Thailand asserted their dominance from the outset, scoring an early goal to set the tone for the evening. They continued to press and added a second before the break, effectively ending the contest. The second half saw two more goals as Thailand rotated players and managed the game comfortably. A key takeaway was Thailand's clinical edge in front of goal, converting a high percentage of their chances. The victory provided Thailand with an ideal start, earning a significant goal difference advantage in the group table. The Thai coach would have been pleased with the professional performance and the clean sheet.