Cincinnati Open: Barbora Krejcikova vs Sara Bejlek

Platform comparison

Market context

Barbora Krejcikova, the Czech former world number one and multiple Grand Slam champion, faces Sara Bejlek, a rising Czech prospect, in the Cincinnati Open first round scheduled for 16 August 2026. The 0% implied probability on this contract suggests either a technical issue with market seeding or genuine uncertainty about whether the match will occur as scheduled. Krejcikova has competed sporadically in recent seasons due to injury management, whilst Bejlek remains a developing player on the WTA circuit with limited head-to-head history against top-ranked opponents.

Krejcikova's recent form and injury status represent the primary catalyst affecting settlement odds. Her participation in warm-up events leading into Cincinnati will signal competitive readiness; any withdrawal or late scratches would trigger the 50-50 tie-break clause. Bejlek's seeding and draw position matter less than Krejcikova's fitness declaration, given the substantial gap in ranking and experience. Sportsbooks typically price Krejcikova as a heavy favourite when healthy, though the absence of recent odds suggests limited commercial interest in this pairing.

The settlement window extends to 23 August, allowing seven days beyond the scheduled date for rescheduling. This buffer accommodates weather delays common at Cincinnati but also creates ambiguity if the match is postponed without immediate rescheduling confirmation. Traders should monitor official WTA draw confirmations and Krejcikova's injury reports through early August, as these will likely shift the market from its current 0% reading towards more conventional pricing once match viability is established.

Methodology

This page reviews Cincinnati Open: Barbora Krejcikova vs Sara Bejlek across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.

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.

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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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 Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.