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National Bank Open: Botic van de Zandschulp vs Jakub Mensik

Live odds for "National Bank Open: Botic van de Zandschulp vs Jakub Mensik" pulled from the Polygon order book, alongside the platform attributes of every venue that runs this contract.

National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 1 O/U 8.5 78% National Bank Open: Botic van de Zandschulp vs Jakub Mensik Match O/U 21.5 56% Completed Match 50% National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 2 O/U 8.5 50% Volume: $96K Liquidity: $536K Closes: 17 Aug 2026
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National Bank Open: Botic van de Zandschulp vs Jakub Mensik

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Prediction Market UK) Pick
polygram.ink (preferred broker)
78% 22% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
78% 22% 0% Geo-blocked in US/UK/EU USDC, on-chain See live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD See live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR See live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) See live odds →

Outcome probabilities

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

OutcomeProbability
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 1 O/U 8.578%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Match O/U 21.556%
Completed Match50%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 2 O/U 8.550%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 2 O/U 9.550%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 1 O/U 9.550%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 2 O/U 10.550%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set Handicap +/-1.548%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Match O/U 22.548%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Match O/U 23.543%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Total Sets: O/U 2.539%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 1 Winner33%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 2 Winner33%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik Set 1 O/U 10.531%
National Bank Open: Botic van de Zandschulp vs Jakub Mensik28%

Market context

Botic van de Zandschulp and Jakub Mensik are due to meet at the National Bank Open, and a **YES** share on this market means van de Zandschulp advances, while a **NO** share means Mensik advances. The crowd-implied probability of 28% suggests the market currently sees van de Zandschulp as the underdog, which is consistent with the wider statistical picture: the pair have no prior ATP head-to-head record, so traders are relying more on current form, surface fit and draw context than on any direct rivalry data.[2][4][11][14]

Comparable cases point to a fairly simple way to read this price. Mensik’s 2026 hard-court profile has been stronger, with one source listing a 27–13 season record and another noting he has been unbeaten against non-top-50 opponents on hard courts this year, while van de Zandschulp’s recent numbers are closer to break-even overall.[5][11] On paper, that kind of split usually pushes a market below 50% for the Dutch player unless the draw or match conditions favour a reversal, so 28% is better read as a modest chance rather than a true long shot.[1][5]

The main catalysts are straightforward: whether the match is actually played on schedule, whether either player is withdrawn or moved in the draw, and whether any delay could trigger the market’s 50-50 settlement rule if no winner is determined within seven days of the original date. Because this market resolves on advancement rather than scoreline, a retirement after the match begins still matters, but a cancellation or prolonged postponement does not produce a standard winner-loser outcome. Late tournament scheduling changes, medical-timeout news, and official order-of-play updates are the key things traders watch for in this sort of match-up.[11][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

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 Prediction Market 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.
Is Polymarket legal in the UK?
Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
Do I pay tax on prediction market profits in the UK?
UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
How do I deposit on Polymarket from the UK?
UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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