MODEL PREDICTION · 2026-08-31
HARD

S. Cirstea vs J. Grabherprediction

CIRSTEAWIN PROBABILITYGRABHER
80%
model prob.
@1.09
odds · 92% impl.
H2H 1–0 CirsteaRest 12d vs 3dHard 65%🎾Serve 57%📈Form 5/10
CONDITIONS OF THE MATCHin the modelcontext
Surface
Hard

Consistent bounce, medium-fast: neutral conditions, no style favored.

Temperature
24°C

Warm: the ball flies a little more and fitness counts.

Humidity
75%

Very humid air: the ball gets heavy and points stretch out.

Wind
9 km/h

Light wind: no noticeable effect.

Surface feeds the model (surface specialization is one of its factors). Weather and altitude are context we publish for you — they do NOT move the probability.

OUR MODEL'S REASONING

Ranking: #17 vs #112 (better ranked)

Head-to-head: 1-0 in favor

Model 80% vs market 92% → the model sees it as less likely than the odds

Recent form: 5/10 in recent matches

More rested: 12d vs opponent's 3d

Calibrated model probability (~64% out-of-sample accuracy, validated specifically on WTA). Not a guarantee: the model ≈ the market on average, so the odds already capture almost all the edge. 18+ · gamble responsibly.
@1.25
fair odds
−12.9%
expected value
BREAKDOWN · MODEL ANALYSIS

The model makes S. Cirstea the favorite with a 80% win probability, against J. Grabher's 20% — a conviction read: the model sees the match clearly leaning one way. Converted to odds, that probability is worth about @1.25; the offered odds are around @1.09 (a 92% implied), slightly below the market, so the model is a touch more cautious.

Several factors explain the number: #17 vs #112 (better ranked); 1-0 in favor; model 80% vs market 92% → the model sees it as less likely than the odds; 5/10 in recent matches.

Read it with perspective. Our probability is calibrated — when the model says 80%, that outcome happens roughly that percentage of the time, with ~64% out-of-sample accuracy — but being the favorite is not being the winner: roughly 20 out of every 100 times Grabher wins. The model also tends to agree with the market, so the odds already capture almost all the edge: don't take it as a sure value. This is informational analysis, not a betting recommendation. 18+ · play responsibly.

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