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 opening rounds of Roland Garros in late May 2026. The market currently prices Baez's advancement at 18 per cent, implying Burruchaga as the consensus favourite. Both players compete on the ATP circuit, though their recent form and ranking trajectories differ materially. Baez, an Argentine left-hander, has shown inconsistency across clay and hard courts, whilst Burruchaga remains a lower-ranked challenger seeking breakthrough performances at Grand Slams.

The 18 per cent probability for Baez reflects a substantial underdog positioning. Historical context suggests early-round Roland Garros matches between players of disparate rankings often see the higher-ranked competitor favoured by 70–80 per cent, though upsets occur in roughly 15–25 per cent of such fixtures depending on surface comfort and recent momentum. If Baez holds a ranking advantage or has posted stronger clay-court results in the months preceding May 2026, the current odds may undervalue his chances; conversely, if Burruchaga has demonstrated improved consistency or recent wins on clay, the market pricing appears justified.

Traders should monitor both players' performances in the lead-up to Roland Garros, particularly results from ATP 250 and 500 clay events in April and early May. Injury reports, training camp updates, and head-to-head records—if available—will clarify whether the consensus has correctly assessed the matchup. The settlement window extends to 31 May, allowing for potential delays, though the scheduled date of 24 May provides a clear baseline for tracking fixture integrity.

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 Who Will Win, which mirrors the Polymarket order book directly.

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 Who Will Win, 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.

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 Who Will Win?

Zero. Who Will Win 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.