Catherine McNally vs Petra Marcinko prediction for June 25, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Petra Marcinko 0 - Catherine McNally 0. Petra Marcinko is favored with a 57.2% win probability.
Petra Marcinko
1549
Grass Elo
VS
Grass • WTA
Catherine McNally
1578
Grass Elo
Match Win Probability
Petra MarcinkoCatherine McNally
Grass
Surface
Eastbourne
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 54.4% (6,507 games)
Match Context
Tournament
Eastbourne
Surface
Grass
Format
Best of 3 · WTA
Surface Elo Ratings (Grass)
Catherine McNally
Petra Marcinko
Catherine McNally leads by 29 Elo points on Grass
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. WTA average on Grass: 56.5%
Catherine McNally SPW
54.2%
Below tour avg
Petra Marcinko SPW
56.6%
Above tour avg
● Petra Marcinko has a slight serve edge (+2.4%)
Market Odds & Model Edge
Catherine McNally ML
-260
Model: 43%
Edge: -29.4%
Petra Marcinko ML
+210
Model: 57%
Edge: +24.9%
Model Projection
Petra Marcinko ML +210 · +24.9% edge
Key Matchup Factors
- Players are closely matched (29-point Elo gap)
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Petra Marcinko has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Petra Marcinko 57.2%
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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. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Full methodology →