Roland Garros, Qualification ATP: Toby Samuel vs Gonzalo Bueno

Platform comparison

Active sub-markets

Market context

Toby Samuel and Gonzalo Bueno are due to meet in Roland Garros qualifying, a straight winner-takes-all tennis market that sits inside a wider event framework where postponements, retirements and walkovers can matter as much as form. The crowd-implied 0% YES price is a strong sign that the market is not functioning normally yet: it often reflects a stale or placeholder order book rather than a settled view on the players. For German users, the relevant point is that GlüStV treatment of sports-style event contracts can make access and classification more restrictive than in some other jurisdictions, while the US CFTC remains the key federal reference point for whether a sports outcome contract can be offered at all. On venues with no-KYC up to $1,500, access is typically limited to low-value activity before identity checks are triggered, which can make a market like this available for small positions but not for larger exposure.

Comparable early-round qualifying markets tend to move sharply once line-ups are confirmed, because the main drivers are less about ranking pedigree than about whether the match is actually played and completed as scheduled. Tennis settlement rules can create a binary headline that differs from the practical trading risk: if the match is cancelled, left unfinished, or pushed beyond the settlement window, the market can resolve at 50-50 rather than to either player. Recent listings on Flashscore, ATP head-to-head pages and sportsbook boards indicate the fixture is active in the calendar, but traders usually need to watch for official order-of-play updates, injury withdrawals and weather delays at Roland Garros, since clay schedules can shift rapidly and a late change can matter more than pre-match statistics.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Roland Garros, Qualification ATP: Toby Samuel vs Gonzalo Bueno 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

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.