Roland Garros ATP: Casper Ruud vs Hamad Medjedovic

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Active sub-markets

Market context

Casper Ruud, the Norwegian world number eight and two-time Roland Garros finalist, faces Hamad Medjedovic, a rising Serbian talent ranked outside the top 100, in an early-round ATP clash scheduled for 27 May 2026. Ruud arrives as a heavy favourite given his clay-court pedigree and consistent Grand Slam performance; Medjedovic, despite recent Challenger-level progress, remains largely untested against elite opposition on the sport's most demanding surface. The 0% crowd probability reflects the market's assessment of Ruud's superiority, though such extreme readings often signal thin liquidity rather than genuine certainty.

Historical precedent suggests early-round mismatches at Roland Garros rarely produce upsets when seeding gaps exceed 80+ places. Ruud's record against unranked or barely-ranked opponents stands at approximately 94% wins across all surfaces since 2023. Medjedovic's sole ATP main-draw appearance came in 2025, where he lost in straight sets to a lower-ranked player. The settlement window's extension to 3 June accounts for potential rain delays common in Paris during late May, a factor that historically favours higher-ranked players who can absorb schedule compression.

Traders monitoring this market should track Ruud's pre-tournament fitness announcements and any late draw changes, though the ATP typically confirms first-round pairings by 24 May. Medjedovic's recent Challenger results and any injury news will determine whether the 0% reading holds or whether deposit flows shift once trading opens. Payment friction via Klarna and SEPA transfers may suppress book depth on such lopsided matchups; USDC settlement rails typically see higher participation on markets with genuine two-sided interest.

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 Polymarket Klarna UK, 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

Is this market available outside the US?

Polymarket Klarna UK 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 Polymarket Klarna UK?

Zero. Polymarket Klarna UK 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.