National Bank Open: Mirra Andreeva vs Karolina Pliskova

Platform comparison

Market context

Mirra Andreeva against Karolina Pliskova is priced as a near-certainty for Andreeva, with the market implying **100% YES** on her advancing. That is far beyond the broader statistical consensus: independent head-to-head pages show Andreeva leading **1-0**, with the only completed meeting ending 6-2, 6-3 on hard courts in Cincinnati in 2024[1][5][11]. Comparable matchup models also lean heavily her way, with one head-to-head comparison putting Andreeva around **75.9%** and listing Pliskova as the clear outsider[2].

For handicappers, the historical frame still matters because it is a small sample and the market is already extremely confident. Andreeva’s recent season profile is stronger in the aggregate, with better win rate and return numbers than Pliskova across 2026 summaries, while Pliskova’s service game remains the main upset route if she is timing the first serve well[2]. The contrarian angle is not that Pliskova is favoured; it is that a 100% price leaves no room for normal tennis variance, especially in a hard-court match where one loose service game or an early momentum swing can compress the gap quickly[2][6].

The main catalysts are scheduling and whether the match actually goes ahead on the listed day, because the market rules fall back to 50-50 if the match is cancelled, tied, or delayed beyond seven days without a winner. The event is currently shown as scheduled for 6 August 2026, but live draw and order-of-play updates should be watched closely for any reshuffle or weather-driven slippage[7][8][9]. If both players are named in the draw and warmed up on time, consensus stays with Andreeva; the only meaningful value spot is on procedural risk, not on Pliskova’s outright chance to advance[7][8][12].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews National Bank Open: Mirra Andreeva vs Karolina Pliskova 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 Who Will Win 2026, which mirrors the Polymarket order book at 0% fees.

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.

FAQ

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 Who Will Win 2026. 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.

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.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.