Zeynep Sonmez vs Ann Li prediction for June 28, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Ann Li 0 - Zeynep Sonmez 0. Zeynep Sonmez is favored with a 55.9% win probability.
Ann Li
1593
Grass Elo
VS
Grass • WTA
Zeynep Sonmez
1577
Grass Elo
Match Win Probability
Ann LiZeynep Sonmez
Grass
Surface
WTA Wimbledon
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 54.3% (6,507 games)
Match Context
Tournament
WTA Wimbledon
Surface
Grass
Format
Best of 3 · WTA
Surface Elo Ratings (Grass)
Zeynep Sonmez
Ann Li
Ann Li leads by 16 Elo points on Grass
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. WTA average on Grass: 56.5%
Zeynep Sonmez SPW
60.0%
Above tour avg
Ann Li SPW
57.4%
Above tour avg
● Zeynep Sonmez has a slight serve edge (+2.5%)
Market Odds & Model Edge
Zeynep Sonmez ML
-125
Model: 56%
Edge: +0.4%
Ann Li ML
+107
Model: 44%
Edge: -4.2%
Key Matchup Factors
- Players are closely matched (16-point Elo gap)
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Zeynep Sonmez has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Zeynep Sonmez 55.9%
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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. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Full methodology →