Roland Garros WTA: Ann Li vs Diane Parry

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Market context

Ann Li faces Diane Parry in the opening round of Roland Garros women's singles, scheduled for 28 May 2026. The market is currently pricing this as a near-certainty for Li, though both players remain active on the professional circuit with meaningful recent form data available. No withdrawal announcements or injury reports have emerged in the past 48 hours affecting either competitor.

Li, the American ranked in the 50s, has historically performed better on clay than hard courts and carries experience from previous Grand Slam main draws. Parry, the French player, competes primarily on the WTA circuit and holds home-court advantage at Roland Garros, a factor that has historically influenced outcomes in early rounds where seeding disparities are smaller. Head-to-head records and recent tournament results from spring 2026 clay-court events will be the primary indicators of relative form entering this match.

The settlement window closes 4 June at 09:00 UTC, allowing seven days from the scheduled date for the match to conclude. Traders should monitor the official Roland Garros draw confirmation and any weather-related scheduling changes, which frequently affect the opening rounds at Roland Garros. Injury withdrawals typically surface 24–48 hours before matches; the absence of such announcements currently supports the high probability assigned. Court assignments and match order, released closer to the tournament dates, may affect player preparation and fatigue factors.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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.