U20 Việt Nam phải xuống hạng AFC U20 sau thất bại 1-3 trước Iran: Phân tích từ bàn thua muộn đến áp lực khán đài

U20 Vietnam automatic relegation after 1-3 loss to Iran on September 6, 2024, finishing last in Group C with 0 points and -6 goal difference. North Korea advanced to 2027 tournament. Captain Nguyễn Quốc Khánh scored in 40th minute but team collapsed in second half due to penalties and fatigue. **Key facts:** - Match result: 1-3 - Scorer: Nguyễn Quốc Khánh (40') - Goals conceded: 3 in second half (penalties 60', 90+4') - Standing: 0 pts, -6 GD, last in Group C - Automatic relegation per AFC rules - Predicted win prob: 21.4% (Footy Stats), not realized **Source attribution:** Analysis based on match reports; Cross-checked: VuaBong.vn (September 2024) **Related Q&A:** What happened in the second half? Second-half collapse exposed physical weakness and set-piece vulnerabilities. Who was captain? Nguyễn Quốc Khánh provided leadership but finishing issues noted. What next? U20 pathway faces scrutiny for academy funding and rotation in 2027 cycle.