Match predictor

Leinster vs Saracens

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
Leinster at home30-19 average
Leinster 69.6%draw 2.5%27.9% Saracens
Saracens at home25-24 average
Saracens 50.4%draw 2.5%47.1% Leinster
Neutral ground27-22 average
Leinster 58.5%draw 2.5%39.0% Saracens

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 Leinster wins; the faded bars at each end hold everything beyond 75 points.

Margin percentiles

p10 Saracens +8p25 Saracens +1p50 Leinster +7p75 Leinster +18p90 Leinster +30

Eight runs in ten finished between 8 Saracens and 30 Leinster, with the middle run at 7 Leinster.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 30 and 69 points in eight runs out of ten — so one bar covers many scores. The middle run above is 23-16 on a tight afternoon and 33-26 on an open one.

Why Leinster are favoured

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

Even match50.0%
Rating gap+8.8 pp

Leinster 1912, Saracens 1802 — 110 points, favouring Leinster

Venue+10.7 pp

Leinster are at home

Form and context+0.1 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.

Leinster win69.6%

Head to head

Leinster102Saracens

3 meetings, 2018 to 2020 · Saracens by 2.3 on average

DateMatchCompetitionVenue
2020-09-19Leinster 1725 SaracensEuropean Champions CupAviva Stadium
2019-05-11Leinster 1020 SaracensEuropean Champions CupSt James' Park
2018-04-01Leinster 3019 SaracensEuropean Champions CupAviva Stadium

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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