FIFA World Cup 2018: Iran vs Portugal - See pics

Iran showcased superb footballing accumen to make Portugal sweat in their final Group B match of World Cup 2018. (REUTERS/Ivan Alvarado)

Superstar Cristiano Ronaldo was marked precisely and was contained for most parts of the game - a big achievement. (REUTERS/Lucy Nicholson)

Ronaldo even missed scoring a penalty when goalkeeper Alireza Beiranvand made a stunning dive to his left to make the save. (REUTERS/Murad Sezer)

It was Ricardo Quaresma who finally put Portugal ahead, scoring in the 45th minute. (REUTERS/Lucy Nicholson)

It was a goal much celebrated by fans back home in Lisbon. (REUTERS/Pedro Nunes)

Iran showed a hunger to win with repeated attacks inside the Portuguese half. It paid off finally - in stoppage time after the second half - when Karim Ansarifard scored from a penalty kick. (REUTERS/Matthew Childs)

There was another shot on goal from Iran but a win was elusive, leaving Iranian fans visibly distrught. (REUTERS/Ivan Alvarado)