Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar

Platform comparison

Market context

Juan Manuel Cerundolo, the Argentine tennis player ranked in the ATP's lower-middle tier, faces Zdenek Kolar of the Czech Republic in an early-round match at the Swiss Open (Gstaad) on 13 July 2026. In prediction markets, a YES share represents a bet that Cerundolo advances; a NO share bets on Kolar's victory. The settlement window closes on 20 July, allowing a week for the match to conclude. Should the match be cancelled, delayed beyond seven days without resolution, or end in a tie, the market splits 50-50 between both outcomes.

Cerundolo has competed inconsistently on grass courts, his primary weakness relative to clay and hard surfaces where Argentine players typically excel. Kolar, a journeyman competitor, has limited grass-court pedigree and rarely features in seeded positions at ATP events. Historical precedent suggests that when lower-ranked players meet on unfamiliar surfaces, draw luck and match-day conditions often override pre-tournament rankings. The current 100% probability assigned to Cerundolo reflects either incomplete market participation or an expectation of Kolar's withdrawal—neither scenario is certain.

Key variables include official tournament draw confirmation, injury updates in the 48 hours before play, and weather conditions at Gstaad, where rain frequently disrupts scheduling. The Swiss Open's grass courts can favour serve-dominant players; both competitors lack that profile. Traders should monitor ATP injury reports and the tournament's official website for any scheduling changes or withdrawals that might trigger the 50-50 resolution clause.

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 Prediction Market UK, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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 Prediction Market UK. 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.

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.

Do I need to KYC for this market?

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