Roland Garros WTA: Ann Li vs Diane Parry

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Market context

Ann Li and Diane Parry are scheduled to meet in the first round of the 2026 Roland Garros women's draw on 28 May. The current prediction market shows 100% implied probability for match completion, though the settlement window extends to 4 June, allowing a seven-day buffer for delays. This represents an unusually compressed probability distribution for a first-round clay-court fixture between two mid-ranking players, suggesting either exceptional confidence in fixture stability or limited trading liquidity at the extremes.

Historical precedent for Roland Garros first-round matches indicates cancellation or non-completion occurs in roughly 2–3% of scheduled contests, typically owing to player injury withdrawal or weather disruption on clay. Li, ranked outside the top 100 in recent seasons, has shown inconsistent availability; Parry, a French domestic player with clay-court familiarity, carries lower injury risk as a home competitor. Neither player has a history of late withdrawals immediately before Roland Garros, though both have experienced mid-tournament retirements in prior years. The 100% reading diverges meaningfully from typical sportsbook handling of first-round fixtures, where books routinely price match-cancellation risk at 1–2%.

Traders should monitor official Roland Garros draw confirmations and injury bulletins through late May. Weather forecasts for Paris in that window matter less for first-round scheduling than for later rounds, but persistent rain could compress the draw. Recent WTA injury reports and practice-court activity from both players in the week preceding the match will signal genuine withdrawal risk. Any announcement of Li or Parry's withdrawal for a warm-up event beforehand would be a material catalyst for repricing.

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 Best Prediction Markets, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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On Best Prediction Markets, 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?

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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 does it cost to trade on Best Prediction Markets?

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

Do I need to KYC for this market?

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