Roland Garros ATP: Ignacio Buse vs Andrey Rublev

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Market context

Ignacio Buse, the Peruvian qualifier ranked outside the top 200, faces world number six Andrey Rublev in the first round of Roland Garros on 24 May. The 34% implied probability for Buse reflects the substantial gap in ranking and experience, though the clay-court surface at Roland Garros has historically produced upsets when lower-ranked players execute defensive strategies effectively. Buse's path to the main draw suggests he has qualified through the preliminary rounds, indicating recent match fitness and confidence on clay.

Rublev's record at Roland Garros shows mixed results despite his ranking. Over the past three years, he has reached the quarter-finals once but has also exited early in multiple campaigns, suggesting inconsistency on the surface. Buse has limited clay-court pedigree at this level, with most of his career spent on lower-tier circuits. The 34% probability appears calibrated to Buse's underdog status whilst acknowledging that first-round matches against qualifiers can be unpredictable when the favourite is not fully engaged.

Traders should monitor Rublev's recent form leading into Roland Garros, particularly his performance in warm-up tournaments on clay in May. Any injury reports or withdrawal announcements would trigger immediate market movement. The match scheduling—early morning at 5:00 AM ET—may affect viewing patterns and information flow, potentially creating volatility if either player's preparation status emerges late. The settlement window extends to 31 May, allowing for potential weather delays or rescheduling common at Roland Garros.

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

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.

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.