Group K opens at the Estadio Azteca on Thursday morning with a fixture that, on paper at least, looks like a contest between two sides hoping the giants of their group trip over each other. Uzbekistan and Colombia meet for the first time in competitive football, both fully aware that Portugal and Congo DR occupy the same pool, and that any slip in this opening round could prove terminal before the tournament has properly begun.
For Colombia, this is as winnable a Group Stage opener as a South American side of their quality could have hoped to draw. They arrive in Mexico City as the side most neutrals would expect to progress, though the World Cup has a long and entertaining history of punishing exactly that kind of assumption. They have not faced Uzbekistan before at senior international level, which cuts both ways: no blueprint, but no bad memories either.
Uzbekistan, for their part, have earned their place here through qualification and will not have travelled to one of football's most iconic venues simply to make up the numbers. Playing their opening match at the Azteca, with its vast history and vast capacity, is either the best or worst possible initiation into a World Cup, depending entirely on how the occasion lands.
Both squads report no fresh absences ahead of kick-off, which at least means neither side can point to misfortune in the selection room when the post-match assessments are written.
The head-to-head record offers nothing to go on. These two nations have never met, so there is no historical weight bearing down on either dressing room, no settled psychological advantage for one over the other.
The shape of the group makes this match more significant than a first glance might suggest. Portugal will begin as favourites to top Group K, which means the race for second place is likely to be decided by precisely the kind of direct confrontation this fixture represents. A Colombia win puts them in the driving seat for that second berth; an Uzbekistan result would scramble every calculation and announce their presence loudly.
The data leans evenly, for now. The prediction model splits the probabilities equally across all three outcomes, at 33 per cent apiece, which reflects the genuine absence of shared history rather than any settled assessment of quality. Colombia would expect to improve on that figure as the match develops. Uzbekistan will be hoping the Azteca has other ideas.