Anna Kalinskaya vs Jessica Pegula prediction for July 31, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Jessica Pegula 0 - Anna Kalinskaya 0. Jessica Pegula is favored with a 79.1% win probability.
Jessica Pegula
1947
Hard Elo
VS
Hard • WTA
Anna Kalinskaya
1779
Hard Elo
Match Win Probability
Jessica PegulaAnna Kalinskaya
Hard
Surface
WTA Washington Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 67.4% (14,793 games)
Match Context
Tournament
WTA Washington Open
Surface
Hard
Format
Best of 3 · WTA
Surface Elo Ratings (Hard)
Anna Kalinskaya
Jessica Pegula
Jessica Pegula leads by 168 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%
Anna Kalinskaya SPW
51.9%
Below tour avg
Jessica Pegula SPW
63.8%
Above tour avg
● Jessica Pegula has a significant serve advantage (+11.9%)
Odds & Edge
Key Matchup Factors
- Jessica Pegula holds a commanding 168-point Elo advantage on Hard
- Hard court provides a neutral surface — favors all-court players
- Jessica Pegula has the stronger serve profile on this surface
- Heavy favorite (Jessica Pegula at 79%) — ML value may be limited; consider live or set markets
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.