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 09:00 local time on Friday, 17 July 2026. The contest determines which player advances, with the prediction market currently implying a 100% probability that the outcome will resolve to “Tom Gentzsch”, suggesting near-certainty in his advancement over Houkes.

Historically, prediction markets assigning 100% implied probability to a tennis outcome have rarely held when matches were played on the day, as retirements, weather delays, or unannounced withdrawals often trigger 50-50 resolutions under the contract’s terms. Comparable cases from 2024–2025 ITF events show that even heavily favoured players occasionally fail to advance due to mid-match retirements, which would invalidate the 100% line and reset the market to an even split.

Traders should monitor official tournament updates from the Bunschoten organisers and real-time score feeds, particularly for any announcements regarding match postponement or player availability before the 08:00 UTC settlement deadline. A recent 365scores listing confirms the match is scheduled for 17 July at 09:00, but no live status or retirement notice has been published yet, leaving the 100% line exposed to last-minute disruptions that sportsbooks typically hedge against with wider spreads.

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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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 Best Prediction Markets UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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 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.