Jack Draper vs Gabriel Diallo prediction for June 25, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Gabriel Diallo 0 - Jack Draper 0. Jack Draper is favored with a 58.9% win probability.
Gabriel Diallo
1600
Grass Elo
VS
Grass • ATP
Jack Draper
1665
Grass Elo
Match Win Probability
Gabriel DialloJack Draper
Grass
Surface
Eastbourne
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 56.0% (6,507 games)
Match Context
Tournament
Eastbourne
Surface
Grass
Format
Best of 3 · ATP
Surface Elo Ratings (Grass)
Jack Draper
Gabriel Diallo
Jack Draper leads by 65 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%
Jack Draper SPW
69.7%
Above tour avg
Gabriel Diallo SPW
66.2%
Above tour avg
● Jack Draper has a significant serve advantage (+3.5%)
Market Odds & Model Edge
Jack Draper ML
-232
Model: 59%
Edge: -11.0%
Gabriel Diallo ML
+207
Model: 41%
Edge: +8.5%
Model Projection
Gabriel Diallo ML +207 · +8.5% edge
Key Matchup Factors
- Jack Draper has a moderate 65-point Elo edge on Grass
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Jack Draper has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Jack Draper 58.9%
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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 →