Bunschoten: Guy Den Ouden vs Tom Gentzsch

Platform comparison

Market context

The tennis match between Guy Den Ouden and Tom Gentzsch in Bunschoten, originally set for 19 July 2026, has effectively been decided before the first serve, with Polymarket pricing the contract at a 100% YES probability for Den Ouden advancing. On Polygon, this conditional token trades in USDC with no bid-ask spread, reflecting a market consensus that the outcome is certain barring an unprecedented cancellation or delay beyond the seven-day settlement window.

Historically, prediction markets assigning 100% probability to a tennis outcome typically signal either a withdrawn opponent or a pre-arranged result, as seen in the 2024 ATP Challenger where a player’s injury withdrawal collapsed liquidity to zero hours before the event. In such cases, the conditional token resolves immediately to the advancing player, mirroring the current Bunschoten pricing where no counter-bet exists against Den Ouden.

Traders should monitor the official tournament schedule for any late announcement of Gentzsch’s withdrawal or a match postponement, as these are the only catalysts that could trigger the 50-50 resolution clause. The Bunschoten tournament organisers have not issued a recent update on player availability, but the ITF calendar confirms no scheduled delays for this event, leaving the 100% price intact until the settlement window closes on 26 July 2026.

Methodology

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

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 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.