The best World Cup upsets are the games nobody saw coming, the afternoons when a heavy favourite walked off the pitch beaten by a team they were supposed to brush aside. These are the results that get replayed for decades, partly because they are rare and partly because they puncture the idea that the biggest names always win. They do not. Over a single match, the gap between a giant and an underdog narrows in ways the league table never shows, and World Cup history is stacked with proof. This article runs through six of the most famous shocks the tournament has produced, with a short story behind each one, before looking at why upsets happen and what they mean for anyone weighing the long prices. For the wider picture, our complete World Cup 2026 guide sets the scene.
Quick answer
A World Cup upset is a match where a clear underdog beats a heavily favoured side, against the run of the odds. Famous examples include Saudi Arabia 2-1 over Argentina in 2022, South Korea 2-0 over Germany in 2018, the United States 1-0 over England in 1950, Senegal 1-0 over France in 2002, Cameroon 1-0 over Argentina in 1990, and North Korea 1-0 over Italy in 1966. Single-match knockout football makes them possible.
What makes a result a genuine upset
Not every surprise scoreline counts. A genuine upset needs a real gap in expectation: a favourite the market and the public agreed should win comfortably, beaten by a side few gave a chance. The six results below all clear that bar. In every case the loser was a tournament heavyweight, often a reigning champion or a title contender, and the winner was priced as an afterthought. Some of those beaten favourites even sit on lists of the greatest World Cup teams of all time, which is part of why the results still get talked about decades later.
What links them is not luck alone, though luck plays its part. It is the nature of one-off football. A team can defend for ninety minutes, take a single chance, and hold on. Over a season that approach gets found out. Over one match, against the right opponent on the wrong day, it wins games that the form book says it should lose. It is the same tension that runs through any look at backing underdogs against favourites: the longer price exists because the result is unlikely, not impossible.
Six famous World Cup upsets
Here are six of the biggest World Cup shocks, listed newest first, with the story behind each.
| Match | Year | Result | Why it shocked |
|---|---|---|---|
| Saudi Arabia vs Argentina | 2022 | 2-1 | Beat the eventual champions in their opener |
| South Korea vs Germany | 2018 | 2-0 | Knocked the holders out at the group stage |
| Senegal vs France | 2002 | 1-0 | Debutants beat the defending champions |
| Cameroon vs Argentina | 1990 | 1-0 | Nine men beat the holders in the opener |
| North Korea vs Italy | 1966 | 1-0 | Eliminated a fancied Italy side |
| United States vs England | 1950 | 1-0 | Amateurs beat the English in England’s first World Cup |
Argentina 1-2 Saudi Arabia, 2022
This is the most recent entry and one of the most stunning. Argentina arrived in Qatar among the favourites, unbeaten in a long run of matches, with Lionel Messi chasing the trophy that had eluded him. Saudi Arabia were rank outsiders. Argentina led early through a Messi penalty and had several goals ruled out for offside, then conceded twice in quick succession after the break and could not respond. The remarkable footnote is that Argentina recovered to win the whole tournament, which makes the opening-day defeat stranger still: the eventual champions lost to one of the longest shots in the field before lifting the cup.
Germany 0-2 South Korea, 2018
Germany went to Russia as defending champions and left at the group stage, beaten by South Korea in their final match. The Germans needed a win to have a chance of progressing and threw everyone forward chasing it. South Korea held firm, then scored twice in stoppage time, the second into an empty net after the German goalkeeper had gone up for a corner. It sent the holders home bottom of their group, a result that ranks among the biggest World Cup shocks of the modern era and a reminder that a reigning champion is never safe.
France 0-1 Senegal, 2002
The opening match of the 2002 tournament pitched France, the defending champions and one of the strongest squads of the era, against Senegal, who were making their World Cup debut. Senegal won it with a single goal, scrappy and scrambled, and held on. France went on to exit at the group stage without scoring a goal, a collapse that began on that first night. For Senegal it was the perfect introduction to the World Cup, and a result that announced an African side could topple the world’s best from a standing start.
Argentina 0-1 Cameroon, 1990
Argentina opened the 1990 tournament as holders, with Diego Maradona leading the side, and lost the curtain-raiser to Cameroon. What made it more remarkable is that Cameroon finished the match with nine men after two red cards, yet still kept Argentina out and scored the only goal. It was a bruising, defiant performance, and it set the tone for a Cameroon run that captured the tournament’s imagination. Beating the reigning champions with a depleted side is about as pure an upset as the World Cup offers.
Italy 0-1 North Korea, 1966
One of the oldest shocks on the list and still one of the most cited. North Korea, unknown and unfancied, beat a strong Italy side 1-0 in England to reach the knockout rounds and send the Italians home early. The goal, scored by Pak Doo-ik, became one of the tournament’s enduring images, a name that never threatened the lists of the World Cup’s all-time top scorers yet outlasted most of them in memory. For a team that had travelled to the competition with almost no expectation attached, eliminating a side of Italy’s pedigree was a result that has kept its place in World Cup folklore ever since.
England 0-1 United States, 1950
The oldest entry here and, for its time, perhaps the most improbable. England were playing in their first World Cup and were among the favourites. The United States, made up largely of part-time and amateur players, beat them 1-0 in Brazil with a header from Joe Gaetjens. The result was so unexpected that some reports back home assumed the scoreline was a misprint. More than seventy years on it remains a benchmark for what an underdog can do over a single game.
Why World Cup upsets keep happening
The thread running through all six is single-match football. League seasons reward consistency, depth and quality over time, which is why the strongest sides finish top. A World Cup knockout, or even a do-or-die group game, removes that cushion. The favourite has to be good for ninety minutes against an opponent with nothing to lose and a clear, simple plan, usually built around defending deep and striking once.
Underdogs also benefit from the way pressure sits. The favourite is expected to win, which can make a team tentative or impatient when the early goal does not arrive. The outsider plays free. Add a goalkeeper in form, a slice of luck at a key moment, and a crowd or a cause behind the smaller side, and the maths tilts further than the odds suggest. None of this makes upsets likely on any given day. It makes them inevitable across enough matches, which is exactly what a 48-team World Cup with 104 games provides. The mid-priced sides best placed to take advantage are the focus of our piece on the tournament’s dark horses.
The 2026 format gives this a little more room than usual. With 12 groups of four, the eight best third-placed teams advancing, and an added round of 32 before the bracket narrows, there are more single matches in which a seed can be caught. The full shape of the draw and the new knockout rounds is set out in our breakdown of how the 2026 tournament is structured. Each extra round of single matches is another chance for a seed to be caught on the wrong day. Campeonbet lists the World Cup match odds for these ties, covering match and outright betting across the field, so the games where a favourite looks vulnerable are easy to track.
What upsets mean for backing an underdog
History is full of shocks, but that does not make backing them a strategy. The favourites still win most matches and most tournaments, which is why they are favourites. The lesson from these six results is not “always back the outsider”, it is “the outsider has a chance more often than the public assumes, especially over one game”. The value sits in spotting the matches where the market has written a team off too completely, which is really a question of finding positive expected value rather than chasing a result.
A sensible way to weigh it is to separate the romance from the price. Saudi Arabia beating Argentina is thrilling to remember, but it was a long shot that happened to land, and most long shots do not. Lining an underdog’s price up against the favourite’s helps show whether the number reflects a real chance or just a reputation, and it helps to know how to read the World Cup prices before you do. The point is the gap between what you think might happen and what the odds imply, not the fairy tale itself.
| Upset signal | Why it matters |
|---|---|
| Knockout or must-win game | One match, no cushion for the favourite |
| Favourite under pressure to attack | Leaves space for a counter |
| Underdog with a clear defensive plan | Hard to break down, dangerous on the break |
| Market price far longer than the gap suggests | Where the value, if any, hides |
Frequently asked questions
What is the biggest World Cup upset of all time? There is no single answer everyone agrees on, but the United States beating England in 1950 and Saudi Arabia beating Argentina in 2022 are the two most often named. The 1950 result stunned because amateurs beat one of the favourites in England’s first World Cup. The 2022 result stunned because Argentina, the side Saudi Arabia beat, went on to win the whole tournament.
Why do underdogs sometimes beat the best teams? Because a single match removes the advantage that quality and depth give a strong side over a full season. An underdog can defend deep, take one chance, and hold on for ninety minutes in a way that would never survive a league campaign. Pressure also shifts the balance: the favourite is expected to win, which can make them anxious, while the outsider plays with freedom.
Has a defending champion ever lost their opening game? Yes, more than once. Argentina, as holders, lost the opening match of the 1990 World Cup to Cameroon, who finished the game with nine men. France, as defending champions, lost the opening match of the 2002 tournament to debutants Senegal and went out at the group stage. Reigning champions are not protected by their status.
Does the 48-team format make upsets more likely in 2026? It gives them more room. More teams, more matches and an extra knockout round mean more single games in which a favourite can be caught, and the third-place safety net keeps inconsistent but talented sides alive longer. It does not turn weak teams into winners, but it widens the door for surprises across the tournament.
Are World Cup upsets worth betting on? They can be, but with care. Favourites win the large majority of matches, so backing underdogs blindly loses over time. The value lies in the specific games where the market has priced a team off too heavily relative to their real chance, not in chasing the romance of a shock for its own sake. If you want the practical side, our guide to betting on the World Cup walks through the markets where those situations turn up.
Conclusion
The most memorable FIFA World Cup upsets, from North Korea sinking Italy in 1966 to Saudi Arabia stunning the eventual champions in 2022, all share the same root: over one match, the best team does not always win. That is what makes the tournament unpredictable and what keeps these results alive in the memory. For 2026, a wider field and more knockout games tilt the odds a fraction further toward chaos, which is reason enough to keep an eye on the longer prices, including the outright winner markets where a surprise run pays the most. None of that turns a long shot into a likely winner, but it does widen the door a little. To carry that thinking into this year’s contenders, read our look at the outsiders who could go deep in 2026.
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