Roland Garros ATP: Hamad Medjedovic vs Yannick Hanfmann

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Market context

Hamad Medjedovic and Yannick Hanfmann are scheduled to meet in the opening round of Roland Garros on 24 May 2026. The market currently reflects a 92% probability that Medjedovic advances, suggesting substantial confidence in the Serbian player's progression past the German opponent.

Medjedovic, ranked in the mid-200s on the ATP circuit, has shown incremental improvement through Challenger-level competition over the past eighteen months, though his Grand Slam record remains sparse. Hanfmann, similarly positioned in the rankings, has competed sporadically at majors with limited success at Roland Garros specifically. Historical precedent for matches between players of comparable ranking and experience at clay-court majors typically settles near 55–65% for the higher-seeded or more recent form player; a 92% probability suggests either significant recent form divergence or market perception of a substantial gap in clay-court capability that may not be fully reflected in current rankings.

Traders should monitor both players' performances in the weeks preceding the tournament, particularly results from ATP 250 events in May and any Challenger tournaments that might indicate clay-court sharpness. Injury updates or late withdrawals from warm-up events could shift the probability materially. The settlement window extends to 31 May, providing a seven-day buffer beyond the scheduled date; any weather delays or scheduling complications at Roland Garros would be critical to track, as the market resolves to 50–50 if the match remains unplayed beyond that threshold.

Methodology

We track Roland Garros ATP: Hamad Medjedovic vs Yannick Hanfmann on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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 PolyGram, 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?

PolyGram 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'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 PolyGram?

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

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.