Match predictor

Bayonne 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
Bayonne at home24-28 average
Bayonne 29.5%draw 2.5%68.0% Stade Toulousain
Stade Toulousain at home33-19 average
Stade Toulousain 80.5%draw 2.5%17.0% Bayonne
Neutral ground22-30 average
Bayonne 22.2%draw 2.5%75.3% 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 Bayonne wins; the faded bars at each end hold everything beyond 75 points.

Margin percentiles

p10 Stade Toulousain +20p25 Stade Toulousain +11p50 Stade Toulousain +4p75 Bayonne +3p90 Bayonne +12

Eight runs in ten finished between 20 Stade Toulousain and 12 Bayonne, with the middle run at 4 Stade Toulousain.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 32 and 74 points in eight runs out of ten — so one bar covers many scores. The middle run above is 22-18 on a tight afternoon and 33-29 on an open one.

Why Bayonne are not favoured

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

Even match50.0%
Rating gap-35.7 pp

Bayonne 1413, Stade Toulousain 1863 — 450 points, favouring Stade Toulousain

Venue+7.4 pp

Bayonne 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.

Bayonne win29.5%

Head to head

Bayonne708Stade Toulousain

15 meetings, 2015 to 2025 · Stade Toulousain by 5.3 on average

Last 10: 505 · Stade Toulousain by 2.6 on average

DateMatchCompetitionVenue
2025-10-05Bayonne 4026 Stade ToulousainTop 14Stade Jean Dauger
2025-06-20Stade Toulousain 3225 BayonneTop 14Groupama Stadium
2025-02-22Stade Toulousain 416 BayonneTop 14Stade Ernest-Wallon
2024-11-03Bayonne 128 Stade ToulousainTop 14Stade Jean Dauger
2024-02-03Stade Toulousain 4626 BayonneTop 14Stade Ernest-Wallon

The 5 most recent meetings; the record above covers all 15. 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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