Roland Garros WTA: Maja Chwalinska vs Diane Parry

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Market context

Chwalinska and Parry are scheduled to meet in the opening rounds of Roland Garros on 31 May 2026, with the market currently pricing Chwalinska's advancement at 64 per cent. The Polish player enters as the higher-ranked competitor, though recent form data and draw positioning will prove decisive in the final 48 hours before play. No significant withdrawals or injury announcements have altered the fixture status since scheduling.

Parry's record against top-100 opponents at clay majors provides the historical anchor for reading this probability. The French player has won roughly 35 per cent of such encounters over the past two seasons, suggesting the 64 per cent Chwalinska price reflects both ranking differential and surface advantage rather than a dominant matchup. Head-to-head records between these two remain limited, meaning recent tournament performance and clay-court form carry disproportionate weight in market assessment.

Traders should monitor official Roland Garros draw confirmations and any last-minute injury bulletins through to the 31 May fixture date. Weather forecasts for the Paris region may influence court scheduling and surface conditions, particularly if rain delays occur. Parry's performance in qualifying rounds or warm-up events immediately preceding Roland Garros could shift the probability if she demonstrates unexpected form. The settlement window extends to 7 June, allowing for potential delays without triggering the 50-50 tie resolution, though completed matches will settle within 24 hours of conclusion.

Methodology

This page reviews Roland Garros WTA: Maja Chwalinska vs Diane Parry across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Today — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Prediction Today, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Prediction Today is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What does it cost to trade on Prediction Today?

Zero. Prediction Today routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.