Introduction
The Rugby World Cup has witnessed numerous shocking results that have left fans and analysts astounded. This article ranks the biggest upsets in Rugby World Cup history, examining match statistics, historical context, and the impact of these surprises on the tournament.

Top Upsets
- Japan vs. South Africa (2015)
- Japan’s historic win over South Africa marked the first time a tier two nation defeated a tier one nation in a World Cup match. Japan won 34-32, showcasing their speed and tactical prowess.
- England vs. New Zealand (2019)
- England’s 19-7 victory over the All Blacks in the semi-final was a tactical masterclass, ending New Zealand’s quest for a third consecutive title8.
- Fiji vs. Wales (2007)
- Fiji’s 38-34 win over Wales in the pool stage highlighted their flair and resilience, knocking Wales out of contention early in the tournament.
- Uruguay vs. Fiji (2019)
- Uruguay’s 30-27 victory over Fiji was a significant upset, demonstrating their growth as a competitive rugby nation.
- Samoa vs. Wales (1991)
- Samoa’s 16-13 win over Wales was pivotal, as it marked their emergence as a force in international rugby.
Analysis of Factors Contributing to Upsets
- Underdog Mentality: Teams often perform better when they have nothing to lose.
- Home-field Advantage: Playing in familiar conditions can boost team morale.
- Injuries: Key player absences can significantly weaken favored teams.
Conclusion
These upsets not only reshape tournament dynamics but also highlight the unpredictable nature of rugby. As we look forward to future World Cups, these matches serve as reminders that anything can happen on the rugby field.This exploration of rugby upsets contributes to our understanding of rugby history and enhances our appreciation for this thrilling sport.