Katie Volynets vs Marta Kostyuk prediction for May 27, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Marta Kostyuk 0 - Katie Volynets 0. Marta Kostyuk is favored with a 60.6% win probability.
Marta Kostyuk
1684
Clay Elo
VS
Clay • WTA
Katie Volynets
1521
Clay Elo
Match Win Probability
Marta KostyukKatie Volynets
Clay
Surface
WTA French Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 58.1% (6,716 games)
Match Context
Tournament
WTA French Open
Surface
Clay
Format
Best of 3 · WTA
Surface Elo Ratings (Clay)
Katie Volynets
Marta Kostyuk
Marta Kostyuk leads by 163 Elo points on Clay
Serve & Return Analysis
Serve Points Won % (SPW) is the single most predictive metric in tennis. WTA average on Clay: 56.5%
Katie Volynets SPW
53.7%
Below tour avg
Marta Kostyuk SPW
55.3%
Below tour avg
● Marta Kostyuk has a slight serve edge (+1.6%)
Market Odds & Model Edge
Katie Volynets ML
+581
Model: 39%
Edge: +24.7%
Marta Kostyuk ML
-738
Model: 61%
Edge: -27.4%
Model Projection
Katie Volynets ML +581 · +24.7% edge
Key Matchup Factors
- Marta Kostyuk holds a commanding 163-point Elo advantage on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Marta Kostyuk has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Marta Kostyuk 60.6%
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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 →