Roland Garros ATP: Sebastian Baez vs Roman Andres Burruchaga

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Market context

Sebastian Baez and Roman Andres Burruchaga are scheduled to meet in the first round of Roland Garros ATP competition on 24 May 2026. The market currently prices Baez's advancement at 18 per cent implied probability, suggesting substantial backing for Burruchaga despite limited public sportsbook coverage of this early-round matchup. Settlement occurs on 31 May, allowing a seven-day window for the match to conclude; any cancellation, tie, or delay beyond that threshold triggers a 50-50 resolution.

Baez, an Argentine player ranked in the 80s to 100s range historically, has shown inconsistency on clay courts despite occasional deep runs in lower-tier events. Burruchaga, also Argentine, operates at a similar ranking tier with comparable clay-court exposure. First-round Roland Garros matchups between players of this calibre typically favour the higher-ranked entrant by 55–65 per cent in sportsbook odds, yet the 18 per cent YES probability suggests prediction-market participants view Burruchaga as the likely favourite. This divergence may reflect recent form data unavailable in public betting markets or uncertainty around player fitness ahead of the tournament.

Traders should monitor official Roland Garros draw confirmations and any late withdrawals through the ATP website in early May. Recent injury announcements or qualifying-round results will clarify both players' condition. The tight settlement window means delays or weather disruptions could trigger the 50-50 clause; clay-court tournaments frequently experience rescheduling, particularly in early rounds.

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 Best Prediction Markets 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

Where can I trade this market with the lowest fees?

On Best Prediction Markets 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.

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 Best Prediction Markets UK?

Zero. Best Prediction Markets 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 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.