Roland Garros ATP: Ethan Quinn vs Francisco Comesana

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Market context

Ethan Quinn faces Francisco Comesana in the opening rounds of Roland Garros on 24 May 2026, with the market currently pricing Quinn's advancement at 14 per cent. The match timing—scheduled for 5:00 AM ET—places it among the earliest court assignments, typically reserved for lower-seeded or qualifier matchups. Quinn's low implied probability reflects either significant ranking disparity or recent form concerns heading into the clay-court fortnight.

The 14 per cent odds sit well below typical upset thresholds for ATP clay matches, suggesting the market views this as a heavily favoured Comesana scenario. Historical Roland Garros data shows that players ranked outside the top 100 advance in roughly 8–12 per cent of opening-round matches against seeded opponents, though clay-court specialists occasionally outperform these baselines. Quinn's career trajectory and current ranking relative to Comesana will determine whether this probability reflects genuine form divergence or market overconfidence in the favourite.

Traders should monitor injury updates and practice reports through the week of 19 May, as early-round withdrawals occasionally reshape opening matchups. Comesana's recent clay-court results and any late ranking shifts will clarify whether the market's confidence is anchored to concrete form data or broader seeding assumptions. The settlement window closes 31 May at 09:00 UTC, allowing five days beyond the scheduled date for completion—a standard buffer that reduces the likelihood of 50-50 resolution unless weather or injury causes significant delays.

Methodology

This page reviews Roland Garros ATP: Ethan Quinn vs Francisco Comesana 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 Prediction Today — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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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.

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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.