Jelena Ostapenko vs Lucrezia Stefanini prediction for May 7, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Lucrezia Stefanini 0 - Jelena Ostapenko 0. Jelena Ostapenko is favored with a 73.2% win probability.
Lucrezia Stefanini
1503
Clay Elo
VS
Clay • WTA
Jelena Ostapenko
1670
Clay Elo
Match Win Probability
Lucrezia StefaniniJelena Ostapenko
Clay
Surface
WTA Italian Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 55.9% (1,622 games)
Match Context
Tournament
WTA Italian Open
Surface
Clay
Format
Best of 3 · WTA
Surface Elo Ratings (Clay)
Jelena Ostapenko
Lucrezia Stefanini
Jelena Ostapenko leads by 166 Elo points on Clay
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. WTA average on Clay: 56.5%
Jelena Ostapenko SPW
54.1%
Below tour avg
Lucrezia Stefanini SPW
47.6%
Below tour avg
● Jelena Ostapenko has a significant serve advantage (+6.4%)
Market Odds & Model Edge
Jelena Ostapenko ML
-1162
Model: 73%
Edge: -18.9%
Lucrezia Stefanini ML
+900
Model: 27%
Edge: +16.8%
Model Projection
Lucrezia Stefanini ML +900 · +16.8% edge
Key Matchup Factors
- Jelena Ostapenko holds a commanding 166-point Elo advantage on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Jelena Ostapenko has the stronger serve profile on this surface
- Heavy favorite (Jelena Ostapenko at 73%) — ML value may be limited; consider live or set markets
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Jelena Ostapenko 73.2%
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How this prediction was generated: This page shows output from the Olympus Bets ATP/WTA Tennis Monte Carlo engine. Each game is simulated 10,000 times using real-time team data, injury reports, and current odds. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Full methodology →