With the line set at 3.5, the bookmaker prices Over at 48.5 % and Under at 56.5 %. Given Japan’s average of 1.8 goals and Portugal’s 1.6, the probability of Over 3.5 is estimated at 43 %.
Odds 5.7-4.56-1.48 translate to implied probabilities of 17.5-22-67.5 %. Factoring in recent form and ranking gap, Portugal’s win chance is assessed at 62 %, Japan’s at 21 % and the draw at 17 %.