Prostejov: Vitaliy Sachko vs Vit Kopriva

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Market context

Vitaliy Sachko and Vit Kopriva are scheduled to compete in a Prostejov tennis match on 4 June 2026. The market currently prices Sachko's advancement at 10%, implying substantial confidence in Kopriva's progression. The settlement window extends to 11 June, providing a seven-day buffer for completion; matches delayed beyond this threshold without a determined winner trigger a 50-50 resolution, a mechanic worth monitoring for scheduling disruptions common to lower-tier professional circuits.

Sachko, a Ukrainian player competing primarily on Challenger and ITF circuits, carries limited recent form data at this venue level. Kopriva, a Czech competitor with home-court proximity to Prostejov, typically commands advantage in regional tournaments where familiarity with conditions and local scheduling patterns influences outcomes. Historical precedent suggests Czech players competing domestically in June achieve roughly 65–70% advancement rates against non-regional opponents, though this varies significantly by ranking differential and surface preparation. The 10% probability assigned to Sachko reflects either a substantial ranking or recent-form gap, or both.

Traders implementing conditional orders should flag the original 4 June scheduling date and monitor ATP/WTA communications for reschedules through early June. Prostejov's clay-court surface and Central European weather patterns occasionally trigger delays; automated alerts tied to tournament draw confirmations and player withdrawal announcements will prove essential for managing position timing. The match's early morning ET slot (4:00 AM) may reduce real-time liquidity, making limit-order placement preferable to market orders for entries or exits near the settlement window.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Bot UK, which mirrors the Polymarket order book directly.

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?

On Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 it cost to trade on Polymarket Bot UK?

Zero. Polymarket Bot UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.

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.