National Bank Open: Liudmila Samsonova vs Barbora Krejcikova

Platform comparison

Market context

Polymarket is pricing the Samsonova side at **100% YES** right now, which means the contract is effectively trading as if Liudmila Samsonova will advance from this National Bank Open meeting with Barbora Krejcikova. On Polymarket, that exposure is held through USDC on Polygon and settled via conditional tokens, so the key issue is not the abstract tennis matchup but whether the match is actually completed in a way that produces a winner under the market rules.

The historical read is mixed but useful. Recent head-to-head records in public tennis databases show Samsonova has had the better of the matchup overall, with one source listing a 3-1 edge and 2-0 on hard courts, while other head-to-head pages describe the rivalry as broadly even on aggregate[7][17]. At the same time, Krejcikova has the stronger ranking profile and has been projected as the likely winner by some live match pages and preview services, which helps explain why this contract can move sharply if the market starts treating the favourite as underpriced[1][2][8]. Samsonova’s run to the 2023 National Bank Open final is also a relevant comparable, because Toronto hard courts have previously suited her level of shot-making[19].

Traders should watch for three catalysts: confirmed start time, any weather or scheduling delay, and whether either player is flagged as unavailable or retires before completion. Match listings currently place the contest on Court 1 and describe it as an upcoming second-round hard-court match in Toronto[1][2][9]. Because the market only resolves 50-50 if the match is cancelled, tied, or delayed beyond seven days without a winner, the practical risk is not just form but whether the event is played to a finish within the settlement window.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track National Bank Open: Liudmila Samsonova vs Barbora Krejcikova 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.

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

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.

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%.