Samsun: Constantin Bittoun Kouzmine vs Gabriel Debru

Platform comparison

Market context

Polymarket is pricing Constantin Bittoun Kouzmine v Gabriel Debru at **0% YES** on the conditional-tokens contract settled in USDC on Polygon, which means the market is currently assigning no visible probability to a Bittoun Kouzmine advancement. The underlying event is the Samsun Challenger final on outdoor hard courts in Türkiye, and live scoring outlets list the match for 2 August at 11:00 UTC, with Debru also shown as the higher-ranked player in pre-match listings.[1][2][4]

That 0% print sits well below the broad shape of the tennis data. Tennis Temple’s pre-match model gave Debru an **88.4%** win chance and Bittoun Kouzmine **11.6%**, while other match pages described Debru as the ATP 970 player against Bittoun Kouzmine around ATP 560/507, reflecting the sort of ranking gap that usually anchors price formation in Challenger finals.[4][1][3] Bittoun Kouzmine reached the final after a three-set win over Kenta Miyoshi, while Debru advanced after beating Paul Inchauspe, so both players arrived having already played multiple matches in the same event.[1][9]

For traders, the key catalysts are simple: official ATP or tournament scheduling, any court-delay or retirement information, and whether the match is actually completed before the market’s seven-day deadline. If the final is not played, or is postponed beyond seven days without a winner, the contract resolves 50-50 by design; if play starts but no winner is determined under the market rules, settlement can still depend on the eventual advance/retirement outcome. Because the contract turns on *who advances*, not just who leads on the scoreboard, late walkovers, retirements, or rescheduling matter more than the raw live score.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Samsun: Constantin Bittoun Kouzmine 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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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 Polymarket Scam? 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.