National Bank Open: Daniil Medvedev vs Botic van de Zandschulp

Platform comparison

Market context

The market is trading Daniil Medvedev at **63% YES**, which implies a modest but not overwhelming edge over Botic van de Zandschulp on Polymarket’s USDC-settled, Polygon-based conditional token contract. That price sits below several bookmaker-style and prediction-market references that have Medvedev around the low-70s to mid-70s, suggesting the on-chain market is leaving room for match-specific uncertainty rather than pricing a near-lock.[1][10][12][17]

That scepticism is easier to read against the broader hard-court record: Medvedev has generally been the stronger indoor and North American hard-court player, and outside previews have repeatedly leaned his way, including straight-sets expectations.[3][18] By comparison, van de Zandschulp has been priced as the underdog in comparable ATP hard-court spots, though not an extreme one, which is consistent with this market sitting above 50% but short of a dominant favourite profile.[5][12]

For traders, the main catalysts are operational rather than abstract: the official draw, any schedule shift on the National Bank Open order of play, and whether the match is actually completed before the settlement deadline. The event page lists Medvedev v van de Zandschulp in the 2026 results draw, while third-party live listings and pre-match previews indicate the contest was expected on 5–6 August, so a late court reassignment, postponement, or walkover would matter for settlement as much as the tennis itself.[2][4][15] If the match is not played, or is delayed beyond seven days without a winner, the market resolves 50-50 under the contract terms.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track National Bank Open: Daniil Medvedev vs Botic van de Zandschulp 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.

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 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.