Yannick Hanfmann vs Adolfo Daniel Vallejo prediction for June 21, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Adolfo Daniel Vallejo 0 - Yannick Hanfmann 0. Yannick Hanfmann is favored with a 57.5% win probability.
Adolfo Daniel Vallejo
1533
Grass Elo
VS
Grass • ATP
Yannick Hanfmann
1540
Grass Elo
Match Win Probability
Adolfo Daniel VallejoYannick Hanfmann
Grass
Surface
Mallorca
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 55.1% (5,978 games)
Match Context
Tournament
Mallorca
Surface
Grass
Format
Best of 3 · ATP
Surface Elo Ratings (Grass)
Yannick Hanfmann
Adolfo Daniel Vallejo
Yannick Hanfmann leads by 7 Elo points on Grass
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. ATP average on Grass: 63.5%
Yannick Hanfmann SPW
67.0%
Above tour avg
Adolfo Daniel Vallejo SPW
66.6%
Above tour avg
● Serve statistics are nearly identical — expect a close match
Market Odds & Model Edge
Yannick Hanfmann ML
-377
Model: 58%
Edge: -21.5%
Adolfo Daniel Vallejo ML
+310
Model: 42%
Edge: +18.1%
Model Projection
Adolfo Daniel Vallejo ML +310 · +18.1% edge
Key Matchup Factors
- Players are closely matched (7-point Elo gap)
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Yannick Hanfmann has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Yannick Hanfmann 57.5%
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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 →