Roland Garros, Qualification ATP: Toby Samuel vs Gonzalo Bueno

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Market context

Polymarket is marking Toby Samuel vs Gonzalo Bueno at 0% YES, so the contract is currently priced as if Samuel will not advance. The market settles on USDC on Polygon via conditional tokens, and the key practical point is that a 0% quote still leaves room for an outcome if the match is played and decided, or for a 50-50 settlement if it is cancelled, tied, or pushed beyond the seven-day window without a winner. For users holding positions, the relevant question is not whether the event exists, but whether it is completed in time and whether the advance condition is met.

The historical frame is mixed. Bueno has the stronger longer-run clay record in the snippets available, with a 49-36 mark over the past 52 weeks, while Samuel’s recent results have also been competitive, including a win over David Goffin in Roland Garros qualifying on the Flashscore listing. ATP head-to-head pages show the pair as close in ranking, but the market is not pricing a generic strength comparison; it is pricing the exact qualification outcome. In that sense, a zero-cent YES price usually reflects either thin liquidity, stale pricing, or a view that the other side is overwhelmingly favoured, rather than a literal assertion that Samuel cannot win.

The main catalysts are mundane but decisive: whether the French Open qualifying schedule holds, whether either player withdraws, and whether court order or weather pushes the match past the settlement rules. Tournament schedules and live score feeds are the fastest indicators, since qualifying matches can be delayed by rain or court backlog. FanDuel and Oddschecker currently show Samuel as the shorter-priced winner in match and set markets, while Kalshi’s exact-score contract has Samuel 2-0 listed, which highlights how quickly price signals can diverge across venues when the market is still moving.

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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.

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.

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.