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National Bank Open: Daniil Medvedev vs Botic van de Zandschulp

Regulatory snapshot for "National Bank Open: Daniil Medvedev vs Botic van de Zandschulp": platform geo-block status, KYC thresholds, tax implications.

Completed Match 100% National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Match O/U 21.5 100% National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 1 O/U 8.5 100% National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 2 O/U 8.5 100% Volume: $607K Closes: 13 Aug 2026
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National Bank Open: Daniil Medvedev vs Botic van de Zandschulp

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legal in California) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
Completed Match100%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Match O/U 21.5100%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 1 O/U 8.5100%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 2 O/U 8.5100%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 2 O/U 9.5100%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set Handicap +/-1.5100%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 2 O/U 10.5100%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp0%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set Handicap +/-1.50%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Total Sets: O/U 2.50%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 1 Winner0%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 2 Winner0%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Match O/U 22.50%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 1 O/U 9.50%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Match O/U 23.50%
National Bank Open: Daniil Medvedev vs Botic van de Zandschulp Set 1 O/U 10.50%

Market context

Daniil Medvedev and Botic van de Zandschulp are due to meet at the National Bank Open, with the market currently pricing Medvedev as a 37% YES outcome. The most relevant match context is surface and matchup history: Medvedev leads their head-to-head 4-0, and all four meetings have been on hard courts, including straight-sets wins in Rotterdam and Cincinnati in 2023 and earlier Grand Slam meetings on the same surface[1][2][4][7].

That history helps explain why the crowd price is below a coin flip despite Medvedev’s superior record: van de Zandschulp has generally been the lower-ranked player in the pairing, but he has taken a set in one of their previous hard-court meetings and has been capable of pushing stronger opposition in best-of-three formats[4][13]. Comparable cases in ATP hard-court draws often turn less on raw ranking than on fitness, draw position and whether a top seed is managing workload in the North American summer swing; Medvedev’s recent hard-court form has also been materially stronger than van de Zandschulp’s overall win rate over the past 52 weeks[2][12].

For traders, the main catalysts are whether the match is played on schedule, whether either player withdraws, and whether any late draw or session reshuffle occurs in Montreal. Because the market resolves to 50-50 if the match is cancelled, tied, or delayed beyond seven days without a winner, schedule risk matters as much as match quality. Accessibility also depends on the venue’s platform rules: a “no-KYC up to $1,500” threshold means small balances may be tradable without full identity verification, but larger activity typically triggers KYC checks. In Germany, the GlüStV framework is relevant because it treats online gambling and related offerings through a strict licensing and consumer-protection lens, while US traders should note that the CFTC’s reach can extend to certain event-contract structures depending on how the platform is organised.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of National Bank Open: Daniil Medvedev vs Botic van de Zandschulp reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.

Resolution & payout

On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.

FAQ

How are winnings taxed?
Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
Can I trade anonymously?
Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legal in California stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
What happens during a tax audit?
You're responsible for documenting your trades. Is Kalshi Legal in California exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Are prediction markets gambling?
Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
What if regulation changes?
If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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