Castres Olympique vs La Rochelle
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.
Castres Olympique 44.3%draw 2.5%53.2% La RochelleLa Rochelle 72.2%draw 2.5%25.3% Castres OlympiqueCastres Olympique 33.7%draw 2.5%63.8% La RochelleEach 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 Castres Olympique wins; the faded bars at each end hold everything beyond 75 points.
Margin percentiles
Eight runs in ten finished between 18 La Rochelle and 17 Castres Olympique, with the middle run at 1 La Rochelle.
Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 31 and 72 points in eight runs out of ten — so one bar covers many scores. The middle run above is 20-19 on a tight afternoon and 31-30 on an open one.
Why Castres Olympique are not favoured
Starting from an even match and adding what the model reads, in percentage points of win probability. Positive favours Castres Olympique, negative favours La Rochelle.
Castres Olympique 1485, La Rochelle 1748 — 263 points, favouring La Rochelle
Castres Olympique are at home
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.
Head to head
Castres Olympique11–1–8La Rochelle20 meetings, 2015 to 2025 · La Rochelle by 3.6 on average
Last 10: 6–1–3 · La Rochelle by 6.2 on average
| Date | Match | Competition | Venue |
|---|---|---|---|
| 2025-11-22 | La Rochelle 17–19 Castres Olympique | Top 14 | Stade Marcel-Deflandre |
| 2025-03-22 | La Rochelle 12–12 Castres Olympique | Top 14 | Stade Marcel-Deflandre |
| 2024-11-23 | Castres Olympique 28–24 La Rochelle | Top 14 | Stade Pierre Fabre |
| 2024-04-20 | Castres Olympique 25–24 La Rochelle | Top 14 | Stade Pierre Fabre |
| 2023-10-29 | La Rochelle 24–27 Castres Olympique | Top 14 | Stade Marcel-Deflandre |
The 5 most recent meetings; the record above covers all 20. None of this feeds the forecast: both ratings already contain these results.