Roland Garros ATP: Ignacio Buse vs Andrey Rublev

Platform comparison

Active sub-markets

Market context

Andrey Rublev, ranked in the world's top ten, faces Ignacio Buse in the opening round of Roland Garros in May 2026. The crowd-implied probability of 11% for a Buse upset reflects the substantial gap between the two players' competitive levels. Rublev has been a consistent Grand Slam performer and clay-court competitor, whilst Buse, an Argentine journeyman, operates at a considerably lower ranking and has limited pedigree on the Roland Garros stage.

Historical context suggests that first-round upsets at Roland Garros involving seeded players against unranked or low-ranked opponents occur in roughly 5–8% of matchups, though this varies by seed strength and opponent ranking differential. Rublev's record against lower-ranked players at majors shows he typically converts these fixtures into routine victories. The 11% probability assigned here sits slightly above the baseline upset rate, suggesting the market may be pricing in marginal uncertainty around Rublev's form or clay-court readiness rather than genuine competitive parity.

Traders should monitor Rublev's preparation schedule and any injury reports in the weeks preceding the tournament, particularly given his history of managing physical demands on clay. Buse's recent match record and whether he qualifies through the draw or enters via ranking will also matter; a direct entry suggests stronger recent form. The scheduling—an early morning slot at 5:00 AM ET—could theoretically favour neither player significantly, though fatigue factors in multi-round tournaments sometimes shift momentum. Any late withdrawals or surface conditions reports closer to late May would warrant reassessment.

Methodology

This page reviews Roland Garros ATP: Ignacio Buse vs Andrey Rublev 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 PolyGram — 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

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 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.

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.