Guiomar Maristany Zuleta De Reales vs Kaja Juvan prediction for May 21, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects Kaja Juvan 0 - Guiomar Maristany Zuleta De Reales 0. Kaja Juvan is favored with a 56.5% win probability.
Kaja Juvan
1597
Clay Elo
VS
Clay • WTA
Guiomar Maristany Zuleta De Reales
1498
Clay Elo
Match Win Probability
Kaja JuvanGuiomar Maristany Zuleta De Reales
Clay
Surface
WTA French Open
Tournament
10,000
Simulations
Calibrated accuracy at this confidence: 56.4% (2,644 games)
Match Context
Tournament
WTA French Open
Surface
Clay
Format
Best of 3 · WTA
Surface Elo Ratings (Clay)
Guiomar Maristany Zuleta De Reales
Kaja Juvan
Kaja Juvan leads by 99 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%
Guiomar Maristany Zuleta De Reales SPW
54.9%
Below tour avg
Kaja Juvan SPW
56.2%
Below tour avg
● Kaja Juvan has a slight serve edge (+1.3%)
Market Odds & Model Edge
Guiomar Maristany Zuleta De Reales ML
+149
Model: 44%
Edge: +3.3%
Kaja Juvan ML
-179
Model: 56%
Edge: -7.6%
Key Matchup Factors
- Kaja Juvan has a moderate 99-point Elo edge on Clay
- Clay surface reduces serve dominance — expect more breaks of serve and longer rallies
- Kaja Juvan has the stronger serve profile on this surface
Surface Elo v1.0 · Barnett-Clarke serve model · 10,000 simulations · WTA
Edge Analysis
Moneyline
Kaja Juvan 56.5%
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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. Full methodology →