Roland Garros ATP: Ethan Quinn vs Francisco Comesana

Platform comparison

Active sub-markets

Market context

Ethan Quinn, an American tennis player ranked outside the top 100, faces Francisco Comesana of Argentina in the opening rounds of Roland Garros in May 2026. The 23% implied probability for Quinn's advancement reflects the significant ranking disparity between the two competitors and historical patterns in early-round clay-court matchups where lower-ranked players rarely progress against established opponents.

Quinn's recent form on clay surfaces provides limited precedent for optimism. Players with similar rankings attempting to upset mid-tier competitors at Grand Slams succeed roughly 15–20% of the time, according to historical ATP tournament data. Comesana, whilst not a seeded player, has demonstrated consistency on European clay and typically advances past qualifiers or lower-ranked opponents in opening rounds. The market's 23% probability sits slightly above baseline upset rates, suggesting traders are pricing in some marginal advantage to Quinn—possibly recent tournament results, head-to-head history if available, or draw positioning.

Key variables affecting settlement include match scheduling and completion. The original 24 May date allows a seven-day buffer before the 31 May settlement deadline; any postponement beyond 31 May without a winner triggers a 50-50 resolution. Weather disruptions are common at Roland Garros in late May, and court availability can shift match times significantly. Traders should monitor ATP official announcements regarding draw confirmations and any weather forecasts in the week preceding the scheduled match, as delays could materially alter the probability landscape if either player's form or fitness changes during the postponement period.

Methodology

This page tracks Roland Garros ATP: Ethan Quinn vs Francisco Comesana across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Trump Prediction routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Where can I trade this market with the lowest fees?

On Trump Prediction, 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?

Trump Prediction 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.

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 Trump Prediction?

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