Spain, England, Croatia, and Czechia form a tightly contested Group A3, with the four sides separated by narrow margins in trader-implied probabilities. Spain and England bring superior depth and recent major-tournament pedigree, yet Croatia’s experienced core and Czechia’s organized defensive setups create realistic paths for any team to top the table. The six-match league phase, opening with England hosting Spain and Czechia facing Croatia on 26 September, features balanced home-and-away fixtures that reward consistency over star power. Squad rotations during the compressed September–November window and potential injuries further compress the field, leaving no clear frontrunner and sustaining the bunched pricing.