Barcelona vs Rayo Vallecano prediction — 2026-08-30

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La Liga · Regular Season - 3 · 2026-08-30 15:00 UTC · Camp Nou, Barcelona

BarcelonaTeam strength 1951.6 · projected league finish #1

MOST LIKELY RESULT

Barcelona

single most likely score: 2–0 (14.0%)

Rayo VallecanoTeam strength 1707.3 · projected league finish #6

Barcelona wins 70.2%Draw — neither team wins 20.6%Rayo Vallecano wins 9.1%Average simulated goals 2.12–0.66

These three percentages add to 100%. They show what may happen, not what will happen.

Why does Barcelona have the highest number? Barcelona currently has the stronger recent-results rating. The calculation also allows for Barcelona playing at home. Across many simulated versions of this match, the average goal totals are 2.12for Barcelona and 0.66 for Rayo Vallecano. That makes Barcelona the highest of the three result estimates at 70.2%. For the full league season, Barcelona is projected to earn about 86points and Rayo Vallecano about 55. Read the beginner's guide or see the technical calculation.

Model reading — citable summary

The Open Model gives Barcelona a 70.2% chance of beating Rayo Vallecano at home in the La Liga on 2026-08-30, with 20.6% for the draw and 9.1% for an away win. The single most likely score is 2–0 (14.0%), with average simulated goals of 2.12–0.66; the chance of both teams scoring is 43.6% and of three or more total goals 52.6%. Estimates come from an Elo → Dixon-Coles → Monte Carlo model, walk-forward backtested on 913 internationals (ranked probability score 0.175 vs 0.241 for random guessing) with a public prediction record.

Source: The Open Model (theopenmodel.com) · probabilities as of the latest daily build · data reusable under CC BY 4.0 with attribution.

Possible final scores

	0	1	2	3	4
0	7.3	3.0	1.3	0.3	0.0
1	12.0	9.8	2.8	0.6	0.1
2	14.0	9.2	3.0	0.7	0.1
3	9.9	6.5	2.1	0.5	0.1
4	5.2	3.5	1.1	0.2	0.0
5+	3.3	2.2	0.7	0.2	0.0

Home-team goals run down the left; away-team goals run across the top. Each cell is that score's estimated chance.

Most likely scores

2–0 14.0%1–0 12.0%3–0 9.9%1–1 9.8%2–1 9.2%0–0 7.3%

Other match possibilities

Both teams to score		43.6%
2 or more total goals		77.7%
3 or more total goals		52.6%
4 or more total goals		30.4%
Barcelona avoids defeat		90.9%
Rayo Vallecano avoids defeat		29.8%
Barcelona allows no goals		51.8%
Rayo Vallecano allows no goals		12.0%