Roland Garros ATP: Felix Auger-Aliassime vs Alejandro Tabilo

Platform comparison

Active sub-markets

Market context

Felix Auger-Aliassime and Alejandro Tabilo are scheduled to meet in the Roland Garros ATP draw on 1 June 2026. The Canadian, ranked in the top 20, faces the Chilean Tabilo in what appears to be an early-round fixture. The 65% crowd-implied probability on Polymarket reflects Auger-Aliassime's seeding advantage and superior ranking history, though clay-court form remains the decisive variable at Roland Garros.

Auger-Aliassime has shown inconsistent results on clay relative to hard courts, winning roughly 58% of ATP matches on the surface over his career, whilst Tabilo—a clay-court specialist from South America—has posted stronger conversion rates on red clay in recent seasons. Historical precedent suggests that ranking-based markets often overweight hard-court credentials; Betfair and Smarkets typically price clay specialists tighter than Polymarket's current odds imply, reflecting European betting syndicates' emphasis on surface-specific form. The settlement window extends to 8 June, allowing for a one-week delay buffer before resolution, which matters given Roland Garros' weather vulnerability and scheduling congestion.

Traders should monitor official ATP draw confirmations and any late withdrawal announcements from either player's camp. Injury reports in the fortnight preceding the match will shift probability sharply; Auger-Aliassime's recent injury history on clay warrants close attention. Kalshi's stricter KYC requirements may exclude some European bettors who would otherwise arbitrage between platforms, potentially widening the 65% figure if Tabilo's clay credentials gain media attention closer to the event date.

Methodology

This page compares Roland Garros ATP: Felix Auger-Aliassime vs Alejandro Tabilo 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

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

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.

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.

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.