This was South Korea's first loss in their World Cup opener since 1998.
South Korea put on some early pressure before Sweden turned the tide in their favor. For all their superior possession numbers early, South Korea made just one shot attempt, and none on target, in the first half, while Sweden had eight attempts, with two on target.
Sweden broke the deadlock in the 65th minute thanks to Granqvist. Moments earlier, Viktor Claesson was taken down by Kim Min-woo in the box, but referee Joel Aguilar initially let the play continue. He later signalled for a review by the video assistant referees, who determined that Kim committed a foul after all by tackling Claesson without touching the ball.
Granqvist then stepped up and put it to the bottom right corner past South Korean keeper Jo Hyeon-woo, who'd made some spectacular saves earlier to keep the match scoreless.