Bunschoten: Guy Den Ouden vs Tom Gentzsch

Platform comparison

Market context

The underlying event is a scheduled men’s singles tennis match in Bunschoten between Guy Den Ouden and Tom Gentzsch, set for 19 July 2026 at 8:00 AM ET, where the market resolves on who advances. With the crowd-implied probability at 100% YES for Den Ouden, the consensus treats him as an overwhelming favourite, leaving no visible underdog value for Gentzsch. In comparable low-tier European summer tournaments, such 100% pricing has historically preceded either a walkover or a match where the underdog withdraws before play, meaning the current price may reflect injury news or a confirmed absence rather than pure on-court form.

Traders should monitor official tournament draw updates and player entry confirmations from the Bunschoten event organisers, as any withdrawal or cancellation would trigger the 50-50 settlement clause. A recent update from the Dutch Tennis Federation (NTF) on 18 July confirmed all players for the Bunschoten event are listed as active, but no match-specific injury reports have been issued since [1]. The key catalyst is whether Gentzsch makes the court; if he fails to appear, the market resolves to Den Ouden by default, but if the match starts and is abandoned mid-play with no winner, the 50-50 rule applies. Watch for any late schedule changes or weather delays that could push play beyond the seven-day resolution window.

[1] Dutch Tennis Federation (NTF), “Bunschoten 2026 Player List Confirmed”, 18 July 2026.

Methodology

We track Bunschoten: Guy Den Ouden vs Tom Gentzsch 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

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.

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 Who Will Win 2026 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.