Quentin Halys vs Matteo Arnaldi prediction for June 27, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Matteo Arnaldi 0 - Quentin Halys 0. Quentin Halys is favored with a 56.8% win probability.
Matteo Arnaldi
1471
Grass Elo
VS
Grass • ATP
Quentin Halys
1427
Grass Elo
Match Win Probability
Matteo ArnaldiQuentin Halys
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)
Quentin Halys
Matteo Arnaldi
Matteo Arnaldi leads by 44 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%
Quentin Halys SPW
67.8%
Above tour avg
Matteo Arnaldi SPW
65.6%
Above tour avg
● Quentin Halys has a slight serve edge (+2.2%)
Market Odds & Model Edge
Quentin Halys ML
-131
Model: 57%
Edge: +0.1%
Matteo Arnaldi ML
+114
Model: 43%
Edge: -3.5%
Key Matchup Factors
- Matteo Arnaldi has a moderate 44-point Elo edge on Grass
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Quentin Halys has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Quentin Halys 56.8%
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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 →