Roland Garros ATP: Flavio Cobolli vs Yibing Wu

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Active sub-markets

Market context

Flavio Cobolli, the Italian 22-year-old ranked around 30th on the ATP tour, faces Chinese qualifier Yibing Wu in the opening rounds of Roland Garros 2026. The match was originally scheduled for 27 May at 5:00 AM ET, though clay-court tournaments frequently experience weather delays that can push fixtures beyond their initial slots. The current crowd-implied probability of 47% for Cobolli suggests near parity, though this reflects genuine uncertainty rather than consensus backing either player.

Cobolli's recent trajectory on clay provides the primary historical anchor. He has shown steady improvement on the surface, reaching ATP 250 quarter-finals on clay in 2024 and 2025, yet his Grand Slam record remains modest with limited main-draw appearances. Wu, by contrast, qualified for Roland Garros and carries the unpredictability typical of qualifier-stage opponents—capable of disrupting seeded players but inconsistent across surfaces. The 47% probability reflects Cobolli's higher ranking and clay familiarity against Wu's qualifier status and potential hunger, a split that aligns with traditional sportsbook decimal odds (roughly 2.13 for Cobolli on Betfair's equivalent markets).

Traders monitoring this market should track the official Roland Garros draw confirmation and any late withdrawals, which occasionally occur in the week preceding the tournament. Weather forecasts for late May in Paris matter considerably; extended rain could trigger the seven-day delay clause that would force a 50-50 resolution. Polymarket's settlement window closes 3 June at 09:00 UTC, providing a two-day buffer beyond the scheduled date, whilst Kalshi and Smarkets typically offer tighter windows. Cobolli's recent match fitness and any last-minute ranking shifts affecting seeding remain secondary catalysts worth monitoring through ATP official announcements.

Methodology

This page compares Roland Garros ATP: Flavio Cobolli vs Yibing Wu specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Polymarket Alternative UK routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Alternative 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.

Is this market available outside the US?

Polymarket Alternative UK 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Alternative UK triggers a quick verification flow that finishes in 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.