Roland Garros ATP: Flavio Cobolli vs Andrea Pellegrino

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Market context

Flavio Cobolli faces Andrea Pellegrino in the opening round of Roland Garros on 25 May 2026. The Italian pair's matchup carries an 86% implied probability favouring Cobolli, reflecting his superior ranking and recent form trajectory. Cobolli has climbed steadily through the ATP rankings over the past eighteen months, whilst Pellegrino remains a fringe competitor on the professional circuit. The probability gap suggests market participants view this as a clear-cut encounter rather than a competitive draw.

Cobolli's recent record against lower-ranked opponents provides the primary historical anchor for the current odds. His win rate against players outside the top 100 has exceeded 75% across clay-court events in 2025 and early 2026, establishing a baseline expectation. Pellegrino's career statistics show limited success at Grand Slam level; he has won fewer than three matches combined across all four majors. The 14-point probability gap between Cobolli and Pellegrino aligns with comparable first-round matchups where ranking differentials exceed 50 places.

Traders should monitor official Roland Garros draw confirmations and any late injury announcements through the tournament's media channels. Cobolli's fitness status matters most—any reported physical concerns in the 48 hours before the match could shift odds materially. Weather conditions on clay at Roland Garros occasionally favour defensive players, though Pellegrino's game style offers limited advantage from such factors. The settlement window closes 1 June at 09:00 UTC, allowing seven days for completion; delays beyond that trigger a 50-50 resolution.

Methodology

We track Roland Garros ATP: Flavio Cobolli vs Andrea Pellegrino on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Where can I trade this market with the lowest fees?

On PolyGram, 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 PolyGram?

Zero. PolyGram 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.