Portugal currently lead the group on 4 points with Spain but Team Melli sit just one point back after their opening 1-0 victory over Morocco.
Depending on the other result in the group – when Spain meet Morocco – Iran may need a victory to take them into the knockout stages.
Will this encourage Iran coach Carlos Queiroz to throw away his usual caution and go all out for the win?
Check out all the stats in our video below.
Two of those matches, kicking off at 22:oo (UAE time) will sort out the myriad of permutations in Group B – Spain v Morocco in Kaliningrad and Iran v Portugal in Saransk.
At the moment Spain and Portugal lead the group on 4 points with Iran just one point back on 3. With the Group so tight even a one-goal loss for Spain and a one-goal win for Iran would see the mighty La Roja heading for home.
Check out all the key stats in our jam-packed stat attack below.
But although we are less than two weeks into the tournament everything to date has gone far better than many expected and we seem on track for a very successful tournament – one and off the field.