Match predictor

Scotland vs Tonga

What the model says about this fixture, at either ground and at a neutral one, with the record behind it. Ratings as at 2026-08-23.

Who wins, and where it is played
Scotland at home43-13 average
Scotland 95.8%3.2% Tonga
Tonga at home12-42 average
Tonga 6.9%92.1% Scotland
Neutral ground42-12 average
Scotland 94.0%5.0% Tonga

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

Margin percentiles

p10 Scotland +2p25 Scotland +9p50 Scotland +21p75 Scotland +37p90 Scotland +51

Eight runs in ten finished between 2 Scotland and 51 Scotland, with the middle run at 21 Scotland.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 34 and 80 points in eight runs out of ten — so one bar covers many scores. The middle run above is 32-11 on a tight afternoon and 44-23 on an open one.

Why Scotland are favoured

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

Even match50.0%
Rating gap+45.4 pp

Scotland 1730, Tonga 938 — 792 points, favouring Scotland

Venue+0.9 pp

Scotland are at home

Form and context-0.5 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.

Scotland win95.8%

Head to head

Scotland400Tonga

4 meetings, 1995 to 2025 · Scotland by 41.5 on average

DateMatchCompetitionVenue
2025-11-22Scotland 560 TongaEdinburgh
2023-09-24Scotland 4517 TongaRugby World CupAllianz Riviera
2021-10-30Scotland 6014 TongaScottish Gas Murrayfield
1995-05-30Scotland 415 TongaRugby World CupLoftus Versfeld(neutral)

A dash under Competition means the record does not name one, which is common — most rows on file carry no competition. 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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