Match predictor

Lyon 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
Lyon at home25-27 average
Lyon 35.5%draw 2.5%62.0% Saracens
Saracens at home33-19 average
Saracens 80.8%draw 2.5%16.7% Lyon
Neutral ground22-30 average
Lyon 26.8%draw 2.5%70.7% 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 Lyon wins; the faded bars at each end hold everything beyond 75 points.

Margin percentiles

p10 Saracens +18p25 Saracens +10p50 Saracens +3p75 Lyon +4p90 Lyon +13

Eight runs in ten finished between 18 Saracens and 13 Lyon, with the middle run at 3 Saracens.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 32 and 73 points in eight runs out of ten — so one bar covers many scores. The middle run above is 22-19 on a tight afternoon and 33-30 on an open one.

Why Lyon are not favoured

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

Even match50.0%
Rating gap-31.0 pp

Lyon 1429, Saracens 1802 — 373 points, favouring Saracens

Venue+8.7 pp

Lyon 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.

Lyon win35.5%

Head to head

Lyon005Saracens

5 meetings, 2018 to 2024 · Saracens by 16.0 on average

DateMatchCompetitionVenue
2024-01-20Saracens 3924 LyonEuropean Champions CupStoneX Stadium
2023-01-14Saracens 4828 LyonEuropean Champions CupStoneX Stadium
2022-12-17Lyon 2028 SaracensEuropean Champions CupMatmut Stadium de Gerland
2019-01-13Lyon 1028 SaracensEuropean Champions CupMatmut Stadium de Gerland
2018-10-20Saracens 2910 LyonEuropean Champions CupStoneX 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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