Match predictor

Munster vs Scarlets

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
Munster at home31-21 average
Munster 76.3%draw 2.5%21.2% Scarlets
Scarlets at home25-27 average
Scarlets 37.8%draw 2.5%59.7% Munster
Neutral ground29-23 average
Munster 69.2%draw 2.5%28.3% Scarlets

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

Margin percentiles

p10 Scarlets +9p25 Munster +1p50 Munster +7p75 Munster +17p90 Munster +29

Eight runs in ten finished between 9 Scarlets and 29 Munster, with the middle run at 7 Munster.

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 24-17 on a tight afternoon and 35-28 on an open one.

Why Munster are favoured

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

Even match50.0%
Rating gap+27.0 pp

Munster 1670, Scarlets 1334 — 336 points, favouring Munster

Venue+7.1 pp

Munster 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.

Munster win76.3%

Head to head

Munster1114Scarlets

16 meetings, 2015 to 2025 · Munster by 9.0 on average

Last 10: 901 · Munster by 15.4 on average

DateMatchCompetitionVenue
2025-09-27Scarlets 2134 MunsterUnited Rugby ChampionshipParc y Scarlets
2025-02-15Munster 298 ScarletsUnited Rugby ChampionshipThomond Park
2024-02-16Scarlets 742 MunsterUnited Rugby ChampionshipParc y Scarlets
2023-03-03Munster 4942 ScarletsUnited Rugby ChampionshipVirgin Media Park
2021-10-10Scarlets 1343 MunsterUnited Rugby ChampionshipParc y Scarlets

The 5 most recent meetings; the record above covers all 16. 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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