Several highly-ranked national teams experienced unexpected setbacks on the opening day of World Cup 2026 qualifying matches. Spain, Uruguay, and Iran, all considered strong contenders to win their initial games, failed to secure victories. This marks a rare instance of multiple pre-tournament favorites losing on the same day. The results have significantly altered early predictions and bracket projections for the tournament. Analysts are attributing the upsets to a combination of factors, including strong opposition performances and potential underestimation of rivals. The unexpected outcomes inject considerable uncertainty into the competition's early stages, promising a potentially unpredictable tournament. These early losses will force the teams to reassess their strategies and intensify their efforts in subsequent matches.