Reilly Opelka vs Federico Cinà prediction for May 23, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Federico Cinà 0 - Reilly Opelka 0. Federico Cinà is favored with a 51.9% win probability.
Federico Cinà
1465
Clay Elo
VS
Clay • ATP
Reilly Opelka
1481
Clay Elo
Match Win Probability
Federico CinàReilly Opelka
Clay
Surface
ATP French Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 53.0% (6,716 games)
Match Context
Tournament
ATP French Open
Surface
Clay
Format
Best of 5 · ATP
Surface Elo Ratings (Clay)
Reilly Opelka
Federico Cinà
Reilly Opelka leads by 16 Elo points on Clay
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. ATP average on Clay: 63.5%
Reilly Opelka SPW
60.8%
Below tour avg
Federico Cinà SPW
62.4%
Below tour avg
● Federico Cinà has a slight serve edge (+1.6%)
Market Odds & Model Edge
Reilly Opelka ML
+168
Model: 48%
Edge: +10.8%
Federico Cinà ML
-183
Model: 52%
Edge: -12.8%
Model Projection
Reilly Opelka ML +168 · +10.8% edge
Key Matchup Factors
- Players are closely matched (16-point Elo gap)
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Federico Cinà has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Federico Cinà 51.9%
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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 →