Roland Garros ATP: Adam Walton vs Daniil Medvedev

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Market context

Polymarket currently prices Walton's chances at 33%, implying Medvedev as the clear favourite in this Roland Garros first-round matchup scheduled for 24 May 2026. The conditional token structure on Polygon means traders holding YES (Walton) or NO (Medvedev) positions settle in USDC upon match completion, with the 50-50 resolution clause activating only if the match is cancelled outright, extends beyond 7 days without a result, or concludes in a tie—an exceptionally rare outcome in professional tennis.

Medvedev's ranking and recent clay-court form provide the baseline for this pricing. The Russian has consistently reached deep Roland Garros runs, including a 2021 final appearance, whilst Walton remains an emerging challenger on the professional circuit. Historical precedent suggests that when seeded players face unranked or lower-ranked opponents at Grand Slams, the probability gap typically widens further than 33-67, particularly on clay where Medvedev's baseline game and defensive capabilities compound his advantage. Comparable first-round matchups involving top-20 seeds against outside-top-100 players have settled with the favourite winning roughly 85-90% of the time.

Traders should monitor the official Roland Garros draw confirmation and any late injury reports in the fortnight preceding the match. Weather conditions on clay courts—particularly rainfall that could delay proceedings—represent a secondary consideration given the 7-day resolution window. Medvedev's recent tournament results and seeding position, typically announced in late May, will provide updated context for position sizing on the NO side.

Methodology

This page reviews Roland Garros ATP: Adam Walton vs Daniil Medvedev across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Polymarket UK, 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket UK triggers a quick verification flow that finishes in 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.