James Duckworth vs Tallon Griekspoor prediction for June 30, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Tallon Griekspoor 0 - James Duckworth 0. Tallon Griekspoor is favored with a 57.1% win probability.
Tallon Griekspoor
1553
Grass Elo
VS
Grass • ATP
James Duckworth
1470
Grass Elo
Match Win Probability
Tallon GriekspoorJames Duckworth
Grass
Surface
ATP Wimbledon
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 54.4% (6,507 games)
Match Context
Tournament
ATP Wimbledon
Surface
Grass
Format
Best of 5 · ATP
Surface Elo Ratings (Grass)
James Duckworth
Tallon Griekspoor
Tallon Griekspoor leads by 83 Elo points on Grass
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. ATP average on Grass: 63.5%
James Duckworth SPW
65.3%
Above tour avg
Tallon Griekspoor SPW
66.4%
Above tour avg
● Tallon Griekspoor has a slight serve edge (+1.1%)
Market Odds & Model Edge
James Duckworth ML
+197
Model: 43%
Edge: +9.2%
Tallon Griekspoor ML
-225
Model: 57%
Edge: -12.1%
Model Projection
James Duckworth ML +197 · +9.2% edge
Key Matchup Factors
- Tallon Griekspoor has a moderate 83-point Elo edge on Grass
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Tallon Griekspoor has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Tallon Griekspoor 57.1%
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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 →