Captain Andreas Granqvist slotted the subsequent spot-kick with relative ease to net the only goal of the game in what was an evenly fought Group F encounter that could have swung either way.
South Korea national football team head coach Shin Tae-yong speaks at a press conference ahead of official training at Nizhny Novgorod Stadium in Nizhny Novgorod, Russia, on June 17, 2018, one day ahead of South Korea's 2018 FIFA World Cup Group F match against Sweden.
After dominating the game but missing a string of chances, Sweden won a 65th-minute penalty when Kim Min-woo brought down Viktor Claesson in the box.
The win was reward for Sweden´s more attacking approach, but it was unsurprising the victor came from the penalty spot in a game between two sides who had only managed two goals between them in seven games heading into Russian Federation.
The victory puts the European side up alongside Mexico with three points in the group standings following El Tri's shock defeat of Germany, while the Asian outfit will have to play catch-up if they want to make the knockout rounds.
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Earlier in the week, Sweden coach Janne Andersson apologised to the South Korean team for the antics of his team's spy. Salvadoran referee Joel Aguilar initially waved the Swedes away, before being called to consult the Video Assistant Referee system.
Sweden's Andreas Granqvist and John Guidetti celebrate their victory after the match. Ola Toivonen headed wide from the resulting corner.
South Korea's star player, the Tottenham forward, Son Heung Min had a quiet first half with just one half-hearted shout for a penalty.
In a bright start to the second half, both sides exchanged chances within the first six minutes.
"This is something small that has been turned into something much bigger because usually our information about our opponents comes from us watching them play matches".
And after VAR intervention, they were handed the chance of breaking that run and a nervous looking Granqvist stepped up, tucking the ball into the bottom to score his side's first goal at a World Cup since 2006. Meanwhile, goalkeeper Robin Olsen was named in the line-up after recovering from a shoulder injury that had threatened his World Cup participation.