Marcos Giron vs Charles Broom prediction for June 20, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Charles Broom 0 - Marcos Giron 0. Charles Broom is favored with a 56.6% win probability.
Charles Broom
1555
Grass Elo
VS
Grass • ATP
Marcos Giron
1548
Grass Elo
Match Win Probability
Charles BroomMarcos Giron
Grass
Surface
Eastbourne
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 54.4% (5,961 games)
Match Context
Tournament
Eastbourne
Surface
Grass
Format
Best of 3 · ATP
Surface Elo Ratings (Grass)
Marcos Giron
Charles Broom
Charles Broom leads by 7 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%
Marcos Giron SPW
62.6%
Below tour avg
Charles Broom SPW
66.2%
Above tour avg
● Charles Broom has a significant serve advantage (+3.5%)
Market Odds & Model Edge
Marcos Giron ML
-348
Model: 43%
Edge: -34.2%
Charles Broom ML
+282
Model: 57%
Edge: +30.4%
Model Projection
Charles Broom ML +282 · +30.4% edge
Key Matchup Factors
- Players are closely matched (7-point Elo gap)
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Charles Broom has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Charles Broom 56.6%
--
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 →