Roman Safiullin vs Mark Lajal prediction for May 20, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Mark Lajal 0 - Roman Safiullin 0. Roman Safiullin is favored with a 51.9% win probability.
Mark Lajal
1509
Clay Elo
VS
Clay • ATP
Roman Safiullin
1400
Clay Elo
Match Win Probability
Mark LajalRoman Safiullin
Clay
Surface
ATP French Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 51.2% (2,567 games)
Match Context
Tournament
ATP French Open
Surface
Clay
Format
Best of 5 · ATP
Surface Elo Ratings (Clay)
Roman Safiullin
Mark Lajal
Mark Lajal leads by 109 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%
Roman Safiullin SPW
62.2%
Below tour avg
Mark Lajal SPW
63.5%
Above tour avg
● Mark Lajal has a slight serve edge (+1.4%)
Market Odds & Model Edge
Roman Safiullin ML
-519
Model: 52%
Edge: -31.9%
Mark Lajal ML
+401
Model: 48%
Edge: +28.1%
Model Projection
Mark Lajal ML +401 · +28.1% edge
Key Matchup Factors
- Mark Lajal holds a commanding 109-point Elo advantage on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Mark Lajal has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Roman Safiullin 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 →