Union St. Gilloise v Zulte Waregem — prediction, stats and goal analysis

Pro League · Saturday, 15 August 2026. Final score 0–0 (half-time 0–0). Rebuilt from the season as it stood that morning, our rating would have been 51% for over 2.5 goals. This match is older than our frozen ratings ledger, which keeps 30 days, so that figure is a reconstruction from pre-match data rather than a number we published at the time — a distinction worth making, because only the frozen ones prove what we actually said beforehand.

Open this match in the app →

Our ratings for this match

MarketYesNoOur call
Over 2.5 goals51%49%Over
Over 3.5 goals31%69%no pick
Both teams to score52%48%Yes

The result model puts Union St. Gilloise at 72%, the draw at 18% and Zulte Waregem at 10%, from expected goals of 2.23 and 0.68.

How we got this number

The league sets the starting point. Pro League has produced over 2.5 goals in 51% of its matches, and that is where a team with no record of its own would sit.

Each side's own record. Union St. Gilloise have 1 in 1 this season, Zulte Waregem 1 in 1. Those records are pulled toward the league rate with the weight of about 24 matches — enough that two or three unusual games cannot swing a rating — giving 53% and 53%.

Last season still counts, briefly. With 1 and 1 games played this season, last season's rates are still blended in and fade out entirely by game 40 — the point at which our testing showed they stop adding accuracy. A single season is part luck, so each club's record is first pulled toward the league average by 34 games' weight. That moves the two figures to 45% and 52%.

The mix. Weighted 40% home side, 40% away side and 20% league — the split that beat every alternative across 30,582 matches of testing — that gives 49%.

Head to head. These sides have met 2 times in three years, producing over 2.5 goals in 50%. That nudges the number 5% of the way toward the head-to-head pattern — deliberately small, because fixtures change more than reputations do — landing on 49%.

Goal expectation. Separately a Poisson model built from attack and defence strength — using real expected-goals data where the league has it — puts this match at 56%, from expected goals of 2.23 for Union St. Gilloise and 0.68 for Zulte Waregem. Folding in 30% of that view gives 51%.

This breakdown is generated from the same inputs the rating uses, so it cannot describe a calculation we did not perform. The full model is set out in the methodology.

Season form

TeamGamesO2.5O3.5BTTS
Union St. Gilloise1100%100%100%
Zulte Waregem1100%0%100%

Head to head

20 Dec 25Union St. Gilloise 2–0 Zulte WaregemU2.5
1 Nov 25Zulte Waregem 1–4 Union St. GilloiseO2.5
5 Feb 23Union St. Gilloise 4–0 Zulte WaregemO2.5
4 Sept 22Zulte Waregem 1–3 Union St. GilloiseO2.5
15 Dec 21Zulte Waregem 0–2 Union St. GilloiseU2.5
18 Sept 21Union St. Gilloise 2–1 Zulte WaregemO2.5

More: Union St. Gilloise season stats · Zulte Waregem season stats · Pro League table and form. Ratings are calibrated probabilities, not tips — a 60% call is expected to miss two times in five.