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: 53.5% (3,855 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. Full methodology →