Hailey Baptiste vs Simona Waltert prediction for May 5, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Simona Waltert 0 - Hailey Baptiste 0. Hailey Baptiste is favored with a 60.4% win probability.
Simona Waltert
1479
Clay Elo
VS
Clay • WTA
Hailey Baptiste
1521
Clay Elo
Match Win Probability
Simona WaltertHailey Baptiste
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)
Hailey Baptiste
Simona Waltert
Hailey Baptiste leads by 42 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%
Hailey Baptiste SPW
56.8%
Above tour avg
Simona Waltert SPW
54.3%
Below tour avg
● Hailey Baptiste has a slight serve edge (+2.6%)
Market Odds & Model Edge
Hailey Baptiste ML
-220
Model: 60%
Edge: -8.4%
Simona Waltert ML
+190
Model: 40%
Edge: +5.2%
Model Projection
Simona Waltert ML +190 · +5.2% edge
Key Matchup Factors
- Hailey Baptiste has a moderate 42-point Elo edge on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Hailey Baptiste has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Hailey Baptiste 60.4%
--
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 →