Oleksandra Oliynykova vs Sofia Johnson prediction for June 20, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Sofia Johnson 0 - Oleksandra Oliynykova 0. Oleksandra Oliynykova is favored with a 54.7% win probability.
Sofia Johnson
1500
Grass Elo
VS
Grass • WTA
Oleksandra Oliynykova
1500
Grass Elo
Match Win Probability
Sofia JohnsonOleksandra Oliynykova
Grass
Surface
Eastbourne
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 51.0% (5,961 games)
Match Context
Tournament
Eastbourne
Surface
Grass
Format
Best of 3 · WTA
Surface Elo Ratings (Grass)
Oleksandra Oliynykova
Sofia Johnson
Oleksandra Oliynykova leads by 0 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%
Oleksandra Oliynykova SPW
59.7%
Above tour avg
Sofia Johnson SPW
59.6%
Above tour avg
● Serve statistics are nearly identical — expect a close match
Market Odds & Model Edge
Oleksandra Oliynykova ML
-418
Model: 55%
Edge: -26.0%
Sofia Johnson ML
+331
Model: 45%
Edge: +22.1%
Model Projection
Sofia Johnson ML +331 · +22.1% edge
Key Matchup Factors
- Players are closely matched (0-point Elo gap)
- Grass surface amplifies serve advantage — expect fewer breaks, more tiebreaks
- Oleksandra Oliynykova has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Oleksandra Oliynykova 54.7%
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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 →