Egypt can book their place at the top of Group G with a game to spare when they face Iran at Lumen Field in Seattle early on Saturday morning, though a draw would be equally sufficient to seal it. That arithmetic matters: with four points from two matches, one win and one draw against two goals conceded, Egypt need only avoid defeat to finish above Iran and Belgium, both of whom sit on two points and can reach no more than five regardless of what happens elsewhere.
Iran arrive having drawn their two opening fixtures, showing enough defensive resilience to keep themselves mathematically alive but not enough attacking threat to trouble the group leaders seriously. Their two goals scored, two conceded record suggests a side that has managed exposure rather than sought to impose itself, which may suit Egypt's intentions perfectly.
The two nations have never previously met at a World Cup or in any recorded fixture, so there is no head-to-head history to mine for clues. Both squads report no fresh injury absences ahead of kick-off, which at least gives each manager a clean bill of health going in.
Egypt's four goals across their opening two games represent a reasonable return, and the fact they have given up two at the other end is worth noting. It complicates the portrait of a side that has looked largely assured: they are not watertight, and Iran will have identified that. Whether they can exploit it is another matter. Iran's own goal record in attack, two scored from two games, gives Egypt's defence little reason for alarm.
The structure of this game is likely to be shaped by what Egypt choose to do with their advantage. Protect it conservatively and they may invite pressure; push for a third win and the job becomes simpler still. A victory would take them to seven points, at least two clear of any team who can realistically catch them, with one round remaining.
The data leans firmly against an Iranian win, giving them only a 10 per cent chance of three points here. Egypt are rated at 45 per cent to win outright, with the draw given equal weight at 45 per cent. On that basis, the expected outcome gets Egypt through comfortably either way. Iran need something close to their best performance of the tournament simply to stay in contention for qualification, and time is running short.