Samsun: Paul Inchauspe vs Gabriel Debru

Platform comparison

Market context

Polymarket is pricing the contract at **0% YES** on USDC rails today, with the market settled through conditional tokens on Polygon and a 7-day post-schedule grace period before a 50-50 outcome if no winner is recorded. That zero price does not reflect the tennis itself so much as the platform’s current view that the listed outcome is effectively not being assigned any probability by traders, which can happen in thin markets or when the event has already been resolved elsewhere on live data feeds.

The match context is a Samsun ATP Challenger semi-final between Paul Inchauspe and Gabriel Debru, and live score services have already carried it as a completed or in-progress fixture with no prior head-to-head history between the pair.[1][3][10][13] On comparable markets, the main read-through is that a player with no meaningful H2H and limited tour-level data is often priced more by bracket position, live scheduling status, and feed certainty than by deep form modelling; Debru’s broader Challenger-era record and Inchauspe’s ATP ranking snapshot are the only obvious public anchors, but they are not strong enough on their own to override event-status risk.[1][3][17]

For traders, the key catalysts are straightforward: whether the tournament draw remains intact, whether an official result is posted by the Challenger organiser or feed partners, and whether the match is later voided, abandoned, or advanced by walkover under the market’s settlement rules. Because Polymarket resolves on the actual advancement outcome rather than a box-score fragment, any late cancellation, retirement before completion, or schedule slip beyond seven days can still force the contract into the tie bucket even after live scoring has appeared.[1][2][10][13]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Samsun: Paul Inchauspe vs Gabriel Debru across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. 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.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.