Stefanos Tsitsipas vs Matteo Arnaldi prediction for May 28, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Matteo Arnaldi 0 - Stefanos Tsitsipas 0. Stefanos Tsitsipas is favored with a 67.0% win probability.
Matteo Arnaldi
1506
Clay Elo
VS
Clay • ATP
Stefanos Tsitsipas
1555
Clay Elo
Match Win Probability
Matteo ArnaldiStefanos Tsitsipas
Clay
Surface
ATP French Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 66.7% (3,925 games)
Match Context
Tournament
ATP French Open
Surface
Clay
Format
Best of 5 · ATP
Surface Elo Ratings (Clay)
Stefanos Tsitsipas
Matteo Arnaldi
Stefanos Tsitsipas leads by 48 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%
Stefanos Tsitsipas SPW
63.8%
Above tour avg
Matteo Arnaldi SPW
60.0%
Below tour avg
● Stefanos Tsitsipas has a significant serve advantage (+3.8%)
Market Odds & Model Edge
Stefanos Tsitsipas ML
-177
Model: 67%
Edge: +3.2%
Matteo Arnaldi ML
+159
Model: 33%
Edge: -5.7%
Key Matchup Factors
- Stefanos Tsitsipas has a moderate 48-point Elo edge on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Stefanos Tsitsipas has the stronger serve profile on this surface
- Heavy favorite (Stefanos Tsitsipas at 67%) — ML value may be limited; consider live or set markets
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Stefanos Tsitsipas 67.0%
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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 →