Girona welcome Castellon to Segunda División on Sunday carrying a form score of 3.56 out of 10 against opponents who have banked 7.11 from their recent work, a gap of 3.55 points that immediately frames the fixture in the visitors' favour. The hosts have won only 1 of their last 5 matches across all competitions, drawing 2 and losing 2, while Castellon arrive with 3 wins from 5, a single draw and a lone defeat. That contrast sharpens further when the nature of those results is examined: Girona lost 1-0 at home to Alaves in a pre-season friendly on 25 July, having earlier drawn 1-1 with both Elche and Real Sociedad in La Liga fixtures in May, and the lack of a clean sheet in any of those 5 outings underlines a defensive fragility that has persisted through the summer. The lone bright spot was a 3-1 win away to Olot in a friendly on 22 July, but the absence of competitive victories since May and the inability to keep an opponent scoreless across this entire sample leaves Girona looking brittle heading into the new campaign.

Castellon, by contrast, have scored in all 5 of their recent matches, netting 9 goals and conceding 6 across that span. They beat Valencia 2-1 away in a friendly on 25 July and Sabadell 2-0 at home a week earlier, then lost 3-2 at Almeria in a Segunda División clash on 9 June before drawing 1-1 at home to the same opponents three days prior and defeating Eibar 2-1 at home on 31 May. That run delivered 1 clean sheet in 5 but crucially never saw them fail to find the net, and the 3-match season profile available for the visitors paints a picture of attacking intent: 15.3 shots per game, 5.7 on target, 7.7 corners and 1.63 expected goals per outing. Possession sits at 55.7 percent and they concede 14.7 fouls per match while picking up 1 yellow card, all of which suggests a side comfortable on the ball and capable of generating chances in volume. The clean sheet rate of 20 percent and a 0 percent failure to score across that small sample reinforces the impression of a team built to press opponents rather than absorb.

The head to head record covers only the last 2 meetings, both won by Girona: 2-1 at home on 21 February 2021 and 1-0 away on 24 October 2020. Those fixtures averaged 2.0 goals, saw both teams score in 1 of the 2, and went over 2.5 goals once. That sample offers some cause for the hosts to believe they can turn their recent form around, but the gap between the sides' current momentum is wide enough to override a historical edge built on results now more than five years old. Girona have scored 5 and conceded 5 across their last 5, managing just 3 matches in which they found the net, while Castellon have scored in every outing and racked up 9 goals in the same span. The defensive picture tilts further in the visitors' direction: Girona have kept 0 clean sheets in 5, Castellon managed 1.

With Girona winless in competitive action since mid-May and Castellon carrying the stronger form score by a distance of more than three and a half points, the fundamentals favour the away side. The hosts' inability to shut out opponents in any of their last 5 matches and Castellon's perfect record of scoring in all 5 recent outings points toward goals at both ends, but the visitors' superior shot volume, expected goals output and possession figures suggest they are better equipped to control the contest. Formatic's model will score this fixture closer to kick-off, but the raw data already identifies where the value sits: Castellon arrive sharper, more dangerous in the final third, and capable of exploiting a Girona defence that has not managed a clean sheet since before the summer break.