SPAIN and Portugal qualified for the round of 16 at the World Cup despite being held to draws by Morocco and Iran respectively in Group B on Monday.
Spain will play Russia in the last 16 while Portugal will come up against Uruguay.
Portugal, needing a draw to qualify, went ahead with a stunning Ricardo Quaresma goal in the 45th minute in the game at Saransk.
Ronaldo had a chance to extend the lead when he won a penalty in the 51st minute, but Iranian goalkeeper Alireza Beiranvand dived to his left to save his effort from the spot.
Karim Ansarifard equalised with a stoppage time penalty awarded after a video review.
However, Portugal clung on to finish second in the group with five points behind Spain, who drew 2-2 with Morocco, on goals scored.
In Kaliningrad, Spain snatched a 2-2 draw against Morocco after the North Africans gave them a scare by going ahead twice.
Striker Khalid Boutaib gave his side a shock early lead, but Isco levelled for the Spaniards, blasting high into the net after a layoff from Andres Iniesta.
Morocco, already eliminated, struck again in the 81st minute when substitute Youssef En Nesyri crashed in a header which looked set to inflict a first defeat on Spain since Euro 2016.
But substitute Iago Aspas levelled in stoppage-time after consultation from the video assistant referee (VAR), putting Spain top ahead of Portugal.
