Roland Garros WTA: Antonia Ruzic vs Madison Keys

Platform comparison

Active sub-markets

Market context

Antonia Ruzic and Madison Keys are scheduled to meet in the first round of Roland Garros on 28 May 2026. The 0% implied probability reflects Keys' substantially higher ranking and seeding status entering the tournament, though the market's extreme confidence warrants scrutiny given the inherent volatility of single-match outcomes on clay.

Keys has consistently ranked in the world's top 20 over recent seasons and holds a documented edge in head-to-head records against lower-ranked opponents on slower surfaces. Ruzic, competing primarily on the WTA 125 circuit, would represent a significant step up in competition level. Historical data on seeded players versus unranked qualifiers at Roland Garros shows conversion rates above 85%, though upsets do occur—particularly when fatigue or surface adjustment becomes a factor across multiple rounds. The probability assignment aligns with conventional expectations for this matchup profile.

Traders should monitor draw confirmation and entry lists as the tournament approaches, particularly any late withdrawals that might alter seeding or scheduling. Injury reports on either player in the fortnight before the event could shift conditions materially. Weather patterns during the scheduled window may also influence surface conditions; clay courts at Roland Garros play notably differently under wet versus dry conditions, which could theoretically favour a player with specific strengths. The settlement window extends to 4 June, allowing six days beyond the scheduled date for completion, which accommodates typical tournament scheduling and weather delays.

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

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.

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.

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.