Ecuador secured a famous 1-0 victory over world champions Argentina in their CONMEBOL World Cup qualification match on September 10, 2025. Playing at the high altitude of Quito, La Tri used their physicality and home support to hand Argentina their first defeat of the qualification campaign. The only goal came in the second half from a swift counter-attack, catching the Argentine defense off guard. Argentina, missing the influence of Lionel Messi, struggled to create clear chances against a fiercely determined Ecuadorian side that defended their lead with tremendous resolve. This result is a massive boost for Ecuador's qualification hopes and serves as a reality check for the reigning world champions. Ecuador's manager called it a tactical masterpiece, while Argentina's coach acknowledged his team failed to match Ecuador's intensity.