National Bank Open: Sara Bejlek vs Iga Swiatek

Platform comparison

Market context

Sara Bejlek’s match with Iga Swiatek sits in the same lane as most heavy-favourite WTA pairings: the market only tends to move once the start time, court assignment, and player availability are confirmed. Their only prior meeting was at Roland Garros in May 2026, when Swiatek won in straight sets, 6-2, 6-3, which is the main recent form reference for this matchup.[3][7][15] Swiatek’s broader record remains far stronger than Bejlek’s, with tennis stats sources showing a much higher career win rate and prize-money base, a gap that usually keeps pre-match prices heavily skewed unless there is injury or withdrawal noise.[1][6]

A current crowd-implied probability of 0% YES is more consistent with a settlement quirk than with a literal belief that Bejlek has no chance. In practice, that often reflects thin funding and on-ramp friction rather than a true zero-price view: if traders are depositing through card-based routes or Klarna-style checkout, small frictions can keep book depth shallow until one side sees fresh inflows, while cheaper rails such as SEPA or USDC can improve participation and tighten quotes. For this market, the key catalysts are simple but binary: whether the match is actually played, whether either player is withdrawn or delayed beyond the market window, and whether the draw holds the scheduled order of play. WTA score pages and live match trackers are the most direct way to verify whether the contest begins and whether an advance is recorded.[2][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares National Bank Open: Sara Bejlek vs Iga Swiatek with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

What does SOFORT cost as a deposit method?

Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.

Can I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.

What's the minimum deposit?

10 EUR / 10 USD equivalent. No upper limit, but deposits over $1,500 lifetime volume trigger a quick KYC flow (typically 5-10 minutes).

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).

Are payment details protected?

Yes. Card and bank details are never stored by Polymarket Klarna UK — they pass directly through PCI-DSS compliant payment service providers (Adyen, Stripe). Polymarket Klarna UK retains only transaction IDs and Klarna reference numbers for reconciliation.