Roehampton: Benjamin Gusic Wan vs Leonardo Rossi

Platform comparison

Market context

A qualifying match at Roehampton between Benjamin Gusic Wan and Leonardo Rossi is scheduled for 16 August 2026. In a prediction market, a YES share represents a bet that Gusic Wan advances; a NO share represents a bet that Rossi advances. The current crowd-implied probability of 0% YES suggests the market has assigned near-zero likelihood to a Gusic Wan victory, though this extreme reading warrants scrutiny given both players' competitive records and the inherent uncertainty of any single match.

Roehampton's qualifying draw typically features players ranked between 200 and 400 on the ATP or ITF circuits, where outcomes remain volatile despite apparent ranking disparities. Historical qualifying matches at grass-court events show that unseeded or lower-ranked challengers succeed roughly 15–25% of the time against higher-seeded opponents, depending on surface familiarity and recent form. A 0% probability implies either Gusic Wan is substantially outclassed or the market has overcorrected on limited information about either player's current fitness and preparation.

Traders should monitor official ATP or ITF announcements regarding player withdrawals, injury updates, or schedule changes in the week preceding 16 August. Grass-court form in the preceding weeks—particularly results from warm-up events or satellite tournaments—will signal readiness. The settlement window closes on 23 August at 13:00 UTC, allowing seven days for the match to conclude; any cancellation or delay beyond that triggers a 50-50 resolution. Recent qualifying draws at British grass events have occasionally seen upsets when lower-ranked players exploit serve-and-volley opportunities on faster courts.

Methodology

We track Roehampton: Benjamin Gusic Wan vs Leonardo Rossi 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

UK Frequently Asked Questions

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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.