Felix Auger-Aliassime vs Frances Tiafoe prediction for June 19, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Frances Tiafoe 0 - Felix Auger-Aliassime 0. Felix Auger-Aliassime is favored with a 59.3% win probability.
Frances Tiafoe
1543
Grass Elo
VS
Grass • ATP
Felix Auger-Aliassime
1692
Grass Elo
Match Win Probability
Frances TiafoeFelix Auger-Aliassime
Grass
Surface
ATP Halle Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 55.2% (5,911 games)
Pick Results
Under 30.5 games -145totalLOSS-0.50u
Match Context
Tournament
ATP Halle Open
Surface
Grass
Format
Best of 3 · ATP
Surface Elo Ratings (Grass)
Felix Auger-Aliassime
Frances Tiafoe
Felix Auger-Aliassime leads by 149 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%
Felix Auger-Aliassime SPW
66.8%
Above tour avg
Frances Tiafoe SPW
65.7%
Above tour avg
● Felix Auger-Aliassime has a slight serve edge (+1.1%)
Market Odds & Model Edge
Felix Auger-Aliassime ML
-162
Model: 59%
Edge: -2.5%
Frances Tiafoe ML
+147
Model: 41%
Edge: +0.2%
Key Matchup Factors
- Felix Auger-Aliassime holds a commanding 149-point Elo advantage on Grass
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Felix Auger-Aliassime has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · ATP
Edge Analysis
Moneyline
Felix Auger-Aliassime 59.3%
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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 →