When Norwegian referee Espen Eskas finally blew the final whistle at Toronto Stadium, Portugal had survived a relentless battle to defeat Croatia 2-1 and book a place in the Round of 16. Yet the scoreline barely hinted at the chaos, controversy and crushing heartbreak that unfolded.
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Deep into stoppage time, with Croatia desperately chasing an equaliser, Josko Gvardiol bundled the ball into the net to spark delirium among the Croatian players and thousands of supporters. Portugal's players stood frozen. Cristiano Ronaldo, already substituted, could only watch from the sidelines in disbelief.
"Croatia player number 20 touched the ball ... final decision: offside."
Portugal celebrated as though they had scored again. Croatia collapsed.
Ivan Perisic fell to his knees. Luka Modric, likely making his final World Cup appearance at the age of 40, threw his hands into the air in disbelief before trudging off crestfallen. Frustrated Croatia supporters hurled bottles onto the pitch, briefly delaying the restart.
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The match had already delivered enough twists to fill an entire tournament.
After a tense, cagey opening half, Croatia struck first in the 53rd minute through Perisic. Portugal pushed forward in search of an equaliser, with Rafael Leao striking the crossbar before Ronaldo thought he had finally scored his first-ever goal in a World Cup knockout match, only for the effort to be ruled out for a marginal offside.
Portugal coach Roberto Martinez responded with four substitutions in one move, but crucially kept Ronaldo on the field.
The gamble paid off.
When Renato Veiga was brought down inside the area, Ronaldo calmly converted from the penalty spot, becoming, at 41, the oldest player ever to score in a FIFA World Cup knockout match and finally ending his long wait for a knockout-stage goal.
The match remained wide open.
Croatia poured forward in waves, but Portugal goalkeeper Diogo Costa repeatedly came to his side's rescue, denying Matteo Kovacic twice before producing a superb close-range save from Matanovic. Petar Sucic also found the net, only to see his effort ruled out for offside.
Martinez eventually withdrew Ronaldo in the 81st minute, perhaps for the final time in a World Cup match. On the bench, the Portugal captain later wore a jersey bearing the name of former teammate Diogo Jota, who died in a car crash exactly one year earlier, as Portugal's players celebrated an emotionally charged victory.
Even then, the night's final twist was still to come.
With Portugal seemingly seconds away from victory after substitute Goncalo Ramos headed home in added time, Croatia mounted one last attack that appeared to have rescued them before technology intervened.
It was a finish as cruel as it was clinical.
Croatia coach Zlatko Dalic did not hide his frustration with the ever-growing influence of video technology.
"All these decisions take the joy out of football. I'm not saying VAR can't sometimes be of help, but it kills the emotion of the game. It kills everything within you. It kills what you are experiencing in the moment. Football should be fair. We've gone too far about VAR."
For Portugal, the only emotion that mattered was relief.
For Croatia, another remarkable World Cup journey ended not with a missed chance or a spectacular save, but with the faintest of touches, a line on a screen and a decision measured in millimetres