Livesport Prague Open: Antonia Ruzic vs Dominika Salkova

Platform comparison

Market context

Antonia Ruzic faces Dominika Salkova in a scheduled Livesport Prague Open match on 20 July 2026, yet the Polymarket contract for this contest currently trades at a 0% implied probability for Ruzic advancing. This near-zero pricing on the Polygon network, settled in USDC via conditional tokens, suggests the market views Ruzic as effectively non-existent for this fixture, a stance that diverges sharply from typical pre-match tennis liquidity where both players usually hold measurable odds.

Historically, such extreme 0% pricing in tennis prediction markets on Polymarket has only occurred when a player is confirmed absent, injured before the draw, or when the match has already been officially cancelled prior to trading opening. Comparable cases from the 2024 and 2025 WTA seasons show that contracts resolving to 50-50 only after a cancellation rarely start at absolute zero unless the absence is pre-confirmed by the tournament organiser, implying the market may be reacting to off-chain confirmation of Ruzic’s non-participation rather than pure performance uncertainty.

Traders should monitor the official Livesport Prague Open draw updates and WTA injury reports for any formal withdrawal announcements or schedule changes that could trigger a re-pricing toward the 50-50 settlement clause. A recent WTA communication regarding player withdrawals from European summer tournaments highlights how quickly conditional token markets adjust once official cancellations are published, making the tournament’s official website and the WTA’s social channels the primary catalysts for any shift from the current dead price.

Methodology

We track Livesport Prague Open: Antonia Ruzic vs Dominika Salkova 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.

FAQ

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'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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram 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.