Match predictor

Harlequins vs Stade Toulousain

What the model says about this fixture, at either ground and at a neutral one, with the record behind it. Ratings as at 2026-08-24.

Who wins, and where it is played
Harlequins at home26-25 average
Harlequins 50.5%draw 2.5%47.0% Stade Toulousain
Stade Toulousain at home30-20 average
Stade Toulousain 76.9%draw 2.5%20.6% Harlequins
Neutral ground23-27 average
Harlequins 36.7%draw 2.5%60.8% Stade Toulousain

Each figure is 5,000 simulations of this fixture. The score is where those runs are centred, not a likely scoreline — a rugby result is spread far too widely for any single one to be likely.

How the runs finished

Winning margin across 5,000 simulations of this fixture. Bars right of the centre are Harlequins wins; the faded bars at each end hold everything beyond 75 points.

Margin percentiles

p10 Stade Toulousain +17p25 Stade Toulousain +7p50 Harlequins +1p75 Harlequins +9p90 Harlequins +18

Eight runs in ten finished between 17 Stade Toulousain and 18 Harlequins, with the middle run at 1 Harlequins.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 31 and 73 points in eight runs out of ten — so one bar covers many scores. The middle run above is 20-19 on a tight afternoon and 31-30 on an open one.

Why Harlequins are favoured

Starting from an even match and adding what the model reads, in percentage points of win probability. Positive favours Harlequins, negative favours Stade Toulousain.

Even match50.0%
Rating gap-18.6 pp

Harlequins 1668, Stade Toulousain 1863 — 196 points, favouring Stade Toulousain

Venue+11.3 pp

Harlequins are at home

Form and context+7.8 pp

Recent results, head-to-head record and rest days, as the XGBoost heads weigh them. Deliberately capped, so it can nudge the rating but never overrule it.

Harlequins win50.5%

Head to head

Harlequins002Stade Toulousain

2 meetings, 2023 to 2024 · Stade Toulousain by 20.0 on average

DateMatchCompetitionVenue
2024-05-05Stade Toulousain 3826 HarlequinsEuropean Champions CupStadium de Toulouse
2023-12-17Harlequins 1947 Stade ToulousainEuropean Champions CupTwickenham Stoop

None of this feeds the forecast: both ratings already contain these results.

Rugby Tournament Predictor — unofficial, and not affiliated with any union, club or competition. About and sourcesForecasts are probabilities, not predictions of one result.

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