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Roland Garros ATP: Facundo Acosta vs Learner Tien

Five-platform snapshot of "Roland Garros ATP: Facundo Acosta vs Learner Tien" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

39% YES 61% NO Volume: $775K Liquidity: $143K Closes: 4 Jun 2026
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Roland Garros ATP: Facundo Acosta vs Learner Tien

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Prediction Today Pick
polygram.ink
39% 61% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Prediction Today →
Polymarket
polymarket.com
39% 61% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Prediction Today →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on Prediction Today →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on Prediction Today →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on Prediction Today →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Prediction Today.

Active sub-markets

Market context

Facundo Acosta faces Learner Tien in the opening rounds of Roland Garros on 28 May, with the market currently pricing Acosta's advancement at 61 per cent. No material shifts in either player's form or injury status have emerged in the past 48 hours, though the French clay surface remains the critical variable—Acosta has historically performed better on slower courts than Tien, whose game relies on pace and aggressive baseline play that clay naturally dampens.

Acosta's recent record on clay shows modest consistency; he reached the second round at Monte Carlo earlier this spring and has won roughly 55 per cent of clay-court matches over the past two seasons. Tien, by contrast, has struggled on the surface, posting a sub-40 per cent win rate on clay since 2024. Historical matchups between players with these surface-specific profiles typically favour the clay-court specialist by 8–12 percentage points, which aligns reasonably with the current 61 per cent implied probability.

Traders should monitor the official draw confirmation and any late withdrawals through the Roland Garros website, as scheduling changes occasionally occur within 72 hours of play. Weather forecasts for Paris on 28 May will matter—rain delays could favour Tien by compressing the match into fewer sets, whilst dry conditions would extend rallies and benefit Acosta's steadier clay-court approach. Fitness updates from either camp, particularly any mention of minor injuries, could shift the line materially given the surface's physical demands.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

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

Is this market available outside the US?
Prediction Today 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 Prediction Today?
Zero. Prediction Today 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, Prediction Today 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.
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