National Bank Open: Jiri Lehecka vs Rafael Jodar

Platform comparison

Market context

Jiri Lehecka’s meeting with Rafael Jodar at the National Bank Open is priced very close by the market, with this contract at 48% YES and Polymarket’s player page showing Lehecka at 47% and Jodar at 54% for the same matchup. That puts the prediction market slightly towards Jodar, while the broader sportsbook consensus is tighter and somewhat more split: BetUS lists Jodar as a narrow favourite at -120 versus Lehecka at -110, and one model-based preview has Lehecka at 51%, indicating only a small edge either way.[2][3][15]

The historical framing is that this is the sort of line where small changes in availability, surface expectations, or pre-match news can swing implied probability more than any deep performance trend. Tennis Tonic also leans Jodar, picking him in three sets and opening with Jodar at 1.63 versus Lehecka at 2.27, while another preview calls for Jodar in two sets, which underlines that analysts are not aligned on whether the better read is a straightforward upset or a longer contest.[1][16][14]

For traders, the key catalysts are straightforward: whether the match is played on schedule, whether either player is withdrawn or replaced, and whether any delay pushes settlement into the fallback 50-50 outcome. The National Bank Open listing and match pages confirm the pairing and scheduled round, while live odds boards show the market is still active and can move before first serve; because this market resolves on advancement rather than a completed score, a retirement or abandonment after the match begins can matter as much as pre-match form.[4][6][13]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

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

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

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 PolyGram. 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.

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.