Ann Li vs Magdalena Frech prediction for July 28, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Magdalena Frech 0 - Ann Li 0. Ann Li is favored with a 60.6% win probability.
Magdalena Frech
1590
Hard Elo
VS
Hard • WTA
Ann Li
1646
Hard Elo
Match Win Probability
Magdalena FrechAnn Li
Hard
Surface
WTA Washington Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 58.0% (14,259 games)
Match Context
Tournament
WTA Washington Open
Surface
Hard
Format
Best of 3 · WTA
Surface Elo Ratings (Hard)
Ann Li
Magdalena Frech
Ann Li leads by 56 Elo points on Hard
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. WTA average on Hard: 56.5%
Ann Li SPW
56.9%
Above tour avg
Magdalena Frech SPW
54.2%
Below tour avg
● Ann Li has a slight serve edge (+2.7%)
Odds & Edge
Key Matchup Factors
- Ann Li has a moderate 56-point Elo edge on Hard
- Hard court provides a neutral surface — favors all-court players
- Ann Li has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Model Edge & Sizing
Edge Analysis
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 →
Permanent record: this game page is retired 90 days after the event. The full graded Tennis 2026 record — every pick, win rate, units and ROI — lives on the Tennis 2026 season report card.