National Bank Open: Jiri Lehecka vs Vit Kopriva

Platform comparison

Market context

Polymarket is pricing this contract at **100% YES**, which means the USDC market on Polygon is effectively treating Jiří Lehečka as already the resolved side unless the on-chain condition is overturned by a different official match outcome. For users holding the conditional tokens, that matters more than the abstract tennis narrative: settlement will follow the match result, but if the contest is cancelled, left without a winner after a qualifying delay, or otherwise falls into the market’s tie/delay rules, the contract can still resolve 50/50 rather than paying out a side.

The price makes sense against the comparable record. Lehečka beat Vit Kopřiva 2-0 in their 2022 Liberec meeting, and the head-to-head remains 1-0 in Lehečka’s favour.[11][9] Current player-level data also points the same way: Lehečka is ATP No. 12 and Kopřiva No. 71, and several live match pages list Lehečka as the favourite on hard court, with one pricing him around 1.12 against Kopřiva near 3.95.[5][8] That gap is large enough that a market at 100% YES looks less like a fresh opinion and more like a contract that has already been pushed to near-certain completion in Lehečka’s favour.

The main catalysts for traders are operational rather than theoretical: the official match status, any court or schedule change, and whether the second-round fixture is finished cleanly before the market’s settlement window closes on 11 August. Live scoreboards already show the match in progress with Lehečka ahead by a set and a break, so the key question is whether play continues to a completed result or gets interrupted in a way that triggers the market’s special rules.[1][2] In practice, on Polymarket the relevant edge is not predicting the player outright, but watching for the final ATP-sanctioned outcome, because that is what the conditional token outcome on Polygon will settle against.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews National Bank Open: Jiri Lehecka vs Vit Kopriva 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 PolyGram, 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

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.