Swiss Open: Pedro Martinez vs Yannick Hanfmann

Platform comparison

Market context

The Swiss Open grass-court event in July 2026 will feature a first-round encounter between Spanish qualifier Pedro Martinez and German journeyman Yannick Hanfmann. The 0% implied probability suggests the market has either not yet attracted liquidity or reflects an assumption that one player will withdraw before the scheduled 4:00 AM ET start on 13 July. Both players have competed regularly on the ATP Challenger circuit; Martinez has shown occasional main-draw appearances at lower-ranked events, whilst Hanfmann has held an ATP ranking and maintains a presence in qualifying draws across European grass tournaments.

Historical precedent for early-round grass-court matches between players of comparable ranking shows settlement risk is material. Withdrawal rates spike in the week before grass events due to injury concerns and surface-specific preparation schedules. The Swiss Open draw typically features a mix of seeded players and qualifiers; if Martinez earned his spot through qualifying, fatigue or late-stage injury could alter availability. Hanfmann's recent form and entry list status will determine whether he arrives as the favoured player or as an underdog facing a fresher opponent.

Traders should monitor both players' participation in the week leading up to 13 July, particularly any announcements regarding injury or schedule changes. Grass-court tournaments often see last-minute withdrawals, which would trigger the 50-50 resolution clause. The settlement window extends to 20 July, allowing seven days for rescheduling before a tie or non-completion resolves the market evenly. Current zero liquidity suggests early-market inefficiency; once the draw is confirmed and both players confirm attendance, pricing should emerge more clearly.

Methodology

We track Swiss Open: Pedro Martinez vs Yannick Hanfmann 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

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.

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 Who Will Win 2026 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.