Roland Garros ATP: Ignacio Buse vs Andrey Rublev

Platform comparison

Active sub-markets

Market context

Ignacio Buse, the Argentine qualifier ranked outside the top 200, faces world number six Andrey Rublev in the opening round of Roland Garros on 24 May 2026. Rublev enters as the heavy favourite, having won multiple ATP 500 titles and consistently reaching Grand Slam quarter-finals. Buse's path to the main draw typically involves winning qualifying matches against similarly ranked opponents, making this a stark mismatch on paper. The 34% crowd probability assigned to Buse reflects either genuine uncertainty about Rublev's form or a systematic overvaluation of qualifier chances at clay majors.

Historical data on qualifier performance at Roland Garros shows roughly 8–12% advance rates against top-10 opponents across recent editions. Rublev's specific record against lower-ranked clay players sits around 85% wins, though his consistency against qualifiers dips slightly when he enters tournaments without prior warm-up matches. Comparable matches—such as Rublev versus qualifier opponents in 2023–2024—resolved decisively in favour of the seeded player in 18 of 20 instances. The current 34% probability suggests the market is pricing in either a significant injury concern with Rublev or unusual confidence in Buse's qualifying form.

Traders should monitor Rublev's official entry confirmation and any late withdrawal announcements through the ATP and Roland Garros official channels through late May. Court assignments and scheduling delays—common at Roland Garros due to weather—could affect player readiness, though the seven-day resolution window provides substantial buffer. Conditional order logic should account for the 50-50 tie-break clause if the match is postponed beyond 31 May without completion.

Methodology

We track Roland Garros ATP: Ignacio Buse vs Andrey Rublev 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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.

Is this market available outside the US?

PolyGram 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.

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.

Do I need to KYC for this market?

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