Aziz Bouhaddouz's 95th-minute own goal sparked wild scenes of celebration from the Iranian players and fans in Saint Petersburg as they claimed only their second-ever World Cup win.
"They are one of the favourite candidates to move into the second round, but we don't tolerate anybody telling us that we are not capable of winning", said the Portuguese.
It's clear that the World Cup is full of twists and turns, but Spain are aiming to win the group and goals are the way to do that after Friday's draw.
Jahanbakhsh hailed the manner in which IR Iran secured the win, with Carlos Queiroz's side putting on the kind of solid defensive display against the Moroccans that typified the team's approach throughout Asia's qualifying campaign.
Substitute Bouhaddouz's diving header to clear a free-kick landed on his own net as Iran picked up three vital points.More news: DISNEY Ups FOX Bid to Knock of Rival Comcast
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"I'm sure you know some countries they feel pressure", Queiroz said.
Team Melli, who have qualified for the consecutive World Cups for the first time, are making their fifth appearance in the World Cup finals, however the Persian have not yet advanced to the knockout stage.
Fans of Egypt's national football team remain hopeful of better days ahead despite their narrow loss 0-1 to Group A opponent Uruguay on Friday at the 2018 FIFA World Cup. We thought that the match will end goalless but we conceded late on.
"No matter what happens on the pitch, I want my players to. leave the pitch bringing home pride and happiness", he said.
Iranian women, who have been banned from soccer stadiums in the Islamic Republic since 1980, have taken their protest to the globe's biggest sporting event: the World Cup, NDTV reports.
The 49-year-old also denied that Spain losing coach Julen Lopetegui on the eve of the tournament had made it easier for the other teams in the group.