Bunschoten: Tom Gentzsch vs Max Houkes

Platform comparison

Market context

Tom Gentzsch and Max Houkes are set to face off in a Bunschoten tennis match originally scheduled for 4:00 AM ET on 17 July 2026, with the prediction market currently pricing Gentzsch’s advancement at a 100% implied probability. This near-certainty is unusual for a competitive tennis fixture, where even top-tier players face meaningful variance from form, surface, or injury.

Historically, prediction markets assigning 100% probability to a tennis outcome have resolved incorrectly only when matches were cancelled, delayed beyond the settlement window, or ended in retirement without a clear winner advancing under the market’s rules. In comparable cases from 2024–2025, such as the ATP Challenger in Ostrava, a 98% implied probability on a favourite collapsed to 50-50 after the match was postponed past the seven-day threshold, triggering the market’s tie clause.

Traders should monitor official tournament updates from the Bunschoten organisers and real-time score feeds for any delay or retirement notices, as these are the primary catalysts that could invalidate the current pricing. The 365scores platform confirms the match is listed for 09:00 local time on 17 July, but no live result has been posted yet, leaving the market exposed to scheduling dependencies [1]. Any announcement of a postponement beyond 7 days from the scheduled date would automatically reset the contract to 50-50, regardless of player performance.

Sources: 1

Methodology

We track Bunschoten: Tom Gentzsch vs Max Houkes 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'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 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.

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.