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Lions 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 2026-10-19.

Who wins, and where it is played
Lions at home29-20 average
Lions 80.6%draw 2.5%16.9% Scarlets
Scarlets at home23-25 average
Scarlets 39.9%draw 2.5%57.6% Lions
Neutral ground27-21 average
Lions 71.2%draw 2.5%26.3% 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.

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How the runs finished

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

Margin percentiles

  • Middle 8 in 10
  • Middle half
  • Median
  • Level
  • Average

Eight runs in ten finished between 7 Scarlets and 28 Lions, half of them between 2 Lions and 17 Lions, with the middle run at 8 Lions.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 30 and 68 points in eight runs out of ten — so one bar covers many scores. The middle run above is 23-15 on a tight afternoon and 33-25 on an open one.

Why Lions are favoured

How the model arrives at the chance of Lions winning. It starts at an even 50%, and each line below adds to that or takes from it, in percentage points (pp): a bar to the right helps Lions, a bar to the left helps Scarlets.

Even match50.0%
Rating gap+29.0 pp

Lions 1664, Scarlets 1273 — 391 points, favouring Lions

Venue+9.4 pp

Lions are at home

Form and context-7.8 pp

Recent results, past meetings between the two sides, and days of rest. It has a limit, so it can nudge the rating but never overrule it.

Lions win80.6%
Scarlets win16.9%
Draw2.5%

Head to head

Lions3–0–2Scarlets

5 meetings, 2021 to 2025 · Scarlets by 1.4 on average

DateMatchCompetitionVenue
2025-10-18Lions 29–18 ScarletsUnited Rugby ChampionshipEllis Park
2025-05-11Lions 19–32 ScarletsUnited Rugby ChampionshipEllis Park
2023-11-11Scarlets 23–24 LionsUnited Rugby ChampionshipParc y Scarlets
2022-12-04Lions 32–15 ScarletsUnited Rugby ChampionshipEllis Park
2021-10-01Scarlets 36–13 LionsUnited Rugby ChampionshipParc y Scarlets

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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