Jannik Sinner vs Daniil Medvedev prediction for May 9, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Daniil Medvedev 0 - Jannik Sinner 0. Jannik Sinner is favored with a 62.2% win probability.
Daniil Medvedev
1723
Clay Elo
VS
Clay • ATP
Jannik Sinner
1993
Clay Elo
Match Win Probability
Daniil MedvedevJannik Sinner
Clay
Surface
Internazionali BNL d'Italia
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 53.1% (2,277 games)
Match Context
Tournament
Internazionali BNL d'Italia
Surface
Clay
Format
Best of 3 · ATP
Surface Elo Ratings (Clay)
Jannik Sinner
Daniil Medvedev
Jannik Sinner leads by 270 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%
Jannik Sinner SPW
62.6%
Below tour avg
Daniil Medvedev SPW
59.3%
Below tour avg
● Jannik Sinner has a significant serve advantage (+3.3%)
Market Odds & Model Edge
Jannik Sinner ML
-1600
Model: 62%
Edge: -31.9%
Daniil Medvedev ML
+850
Model: 38%
Edge: +27.3%
Model Projection
Daniil Medvedev ML +850 · +27.3% edge
Key Matchup Factors
- Jannik Sinner holds a commanding 270-point Elo advantage on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Jannik Sinner has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Jannik Sinner 62.2%
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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 →