Roland Garros ATP: Casper Ruud vs Hamad Medjedovic

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Market context

Casper Ruud faces Hamad Medjedovic in the opening round of Roland Garros on 27 May 2026. The Norwegian, seeded in the top 10 and a two-time French Open finalist, enters as heavy favourite at 78% implied probability. No material shifts in player status or injury reports have emerged in the past 48 hours to alter that positioning.

Ruud's record against lower-ranked opponents at clay majors provides the historical anchor for the current odds. Across his career, he has converted roughly 85% of matches against players ranked outside the top 50 at Roland Garros, with only two losses to unranked or qualifying opponents in the tournament since 2021. Medjedovic, ranked in the 150s, fits the profile of opponent Ruud typically dispatches without extended difficulty. The 22-year-old Serb has never reached a Grand Slam main draw and lacks the surface pedigree or ranking to suggest an upset is probable rather than possible.

The settlement window closes 3 June at 09:00 UTC, allowing a seven-day buffer for delays or incomplete matches. Traders should monitor the official Roland Garros draw confirmation and any late injury withdrawals from either player in the 48 hours before play. Weather disruptions at Roland Garros in late May are historically modest, though rain delays occasionally extend matches across multiple days. The scheduling of this match at 05:00 ET suggests an early court slot, reducing likelihood of significant postponement beyond the tournament's standard recovery windows.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

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.

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 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.