Prague 2: Filip Jianu vs Andrej Martin

Platform comparison

Market context

Filip Jianu and Andrej Martin are scheduled to meet in the Prague 2 tournament on 18 August 2026, with the match originally set for 7:00 AM ET. The current crowd-implied probability of 100% YES reflects near-certainty that this match will occur and produce a decisive winner within the settlement window closing 25 August 2026. This extreme probability suggests either exceptionally high confidence in match completion or minimal trading activity establishing a genuine market price.

Historical precedent for ATP Challenger events in Prague shows consistent fixture completion rates above 95%, with cancellations typically limited to weather disruptions or late player withdrawals. Jianu, a Slovak player ranked outside the top 200, and Martin, a Slovak-Czech journeyman with similar ranking credentials, represent the type of lower-tier matchup unlikely to attract late scratches or scheduling conflicts. Both players' recent tournament participation records show reliable attendance at scheduled commitments, though neither commands sufficient ranking to guarantee priority rescheduling if delays occur.

Traders should monitor the ATP Challenger Tour schedule for any announcement of venue changes or weather alerts affecting Prague in mid-August. The settlement terms create material risk: matches delayed beyond 7 days from 18 August without completion trigger a 50-50 resolution, whilst walkovers or retirements after play begins still resolve to the advancing player. Current sportsbook lines remain unavailable for direct comparison, but the 100% implied probability warrants scrutiny—such extreme readings often reflect thin liquidity rather than genuine certainty about match execution.

Methodology

We track Prague 2: Filip Jianu vs Andrej Martin 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

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 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.

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.

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.

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.