Peyton Stearns vs Madison Keys prediction for May 4, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Madison Keys 0 - Peyton Stearns 0. Madison Keys is favored with a 54.8% win probability.
Madison Keys
1742
Clay Elo
VS
Clay • WTA
Peyton Stearns
1685
Clay Elo
Match Win Probability
Madison KeysPeyton Stearns
Clay
Surface
WTA Italian Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 51.1% (1,872 games)
Match Context
Tournament
WTA Italian Open
Surface
Clay
Format
Best of 3 · WTA
Surface Elo Ratings (Clay)
Peyton Stearns
Madison Keys
Madison Keys leads by 57 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%
Peyton Stearns SPW
54.8%
Below tour avg
Madison Keys SPW
56.3%
Below tour avg
● Madison Keys has a slight serve edge (+1.5%)
Market Odds & Model Edge
Peyton Stearns ML
+137
Model: 45%
Edge: +3.0%
Madison Keys ML
-170
Model: 55%
Edge: -8.1%
Key Matchup Factors
- Madison Keys has a moderate 57-point Elo edge on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Madison Keys has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Madison Keys 54.8%
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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 →