The last-16 slate ends with a heavyweight and a home-crowd coin-flip. Dallas has the tie nobody wanted to draw this early — Portugal and Spain, the tightest elite-versus-elite matchup left in the bracket — and Seattle has the United States trying to advance without its leading scorer against a Belgium side the model likes, but only just. Neither is a blowout. Today is about finding the number, not the name.
Portugal vs. Spain (3:00 PM ET, AT&T Stadium, Dallas)
This is the tie of the round, and the model treats it like one. Spain sits at 48% to win in 90 minutes, the draw at 29%, Portugal at 23% — off a 1.62-to-1.09 expected-goals edge and a 2.71 projected total. That's a genuine lean, not a fade of Portugal: the Iberian derby is the only spot left in the bracket where two sides this good are drawn against each other before the semifinals, and the distribution shows it. The single likeliest scoreline is the 1-1 draw at 13.9%, and the three after it are all Spain (1-2 at 9.5%, 0-2 at 8.8%, 0-1 at 8.7%) — which is exactly why Spain to advance reads cleaner than Spain to win in regulation, and why both-teams-to-score (55%) is the secondary the two attacks justify. Mikel Oyarzabal is the scorer on the right side of the result; Cristiano Ronaldo at 38, in what is almost certainly his last World Cup, is the emotional counter the number politely declines to price. The position: Spain, narrowly, with the goals market as the hedge.
USA vs. Belgium (8:00 PM ET, Lumen Field, Seattle)
The suspension is the story, and it's already in the number. Folarin Balogun — the United States' leading scorer — is out after his straight red against Bosnia and Herzegovina, and with him gone the tie is the closest three-way line of the day: Belgium 39%, the U.S. 31%, the draw 30%. Christian Pulisic leads the line now, and the read splits cleanly. If you want a side, it's Belgium — deeper, more experienced, and favored even in Seattle. But the sharper number is the goals: both-teams-to-score sits at 57%, the highest on the July 6 card, because Belgium's back line leaks and a shorthanded United States still projects to 1.26 expected goals and has to chase. The scoreline distribution backs it — the 1-1 draw leads at 14.4%, then 0-0 at 8.9%, then 1-2 (Belgium) at 8.8% and 2-1 (USA) at 7.7%. Romelu Lukaku against a home crowd, Pulisic carrying the U.S. attack: the play is both teams to score, with Belgium to advance the lean for anyone who wants the side.
Play of the day: both teams to score in USA vs. Belgium (57%). It's the highest goals number on the slate, it's supported from both directions — a leaky Belgium defense and a United States side forced to push without its leading scorer — and it doesn't ask you to call a coin-flip. Three of the four likeliest scorelines have both teams on the board. Pair it with Spain to advance out of Dallas and you've got a two-leg card that trades the numbers, not the narratives. For the full board — champion odds, every live knockout matchup, and where our model and the Kalshi board disagree — see the Round of 16 recap, and price the combinations on the Combo Edge Builder.
Model probabilities from PredictionMarketsPicks' World Cup 2026 simulation, refreshed nightly against live results. Not financial advice — trade responsibly.