Winston-Salem Open: Martin Landaluce vs Mattia Bellucci

Platform comparison

Market context

Polymarket is pricing this contract at 0% YES, so the market is treating Martin Landaluce advancing as effectively impossible and leaving Mattia Bellucci as the practical default. Because settlement is tied to the ATP result on Polygon through USDC-backed conditional tokens, the key point is not opinion but whether the match is completed and an official winner is recorded before the 14-day resolution cutoff.

This is a useful reminder that tennis contracts can move from live probability to a 50-50 outcome if a match is not played, is abandoned before completion, or never produces a winner by the deadline. Similar ATP opening-round markets often reprice sharply on withdrawals, rain delays, or schedule changes rather than on pre-match narratives, so a zero print usually reflects either stale order books or an expectation that the event state has already effectively been settled elsewhere. Landaluce and Bellucci were listed for the Winston-Salem Open round of 64 on the hard courts at Wake Forest University Tennis Complex, which fits the kind of early-round match where late timetable shifts matter more than ranking gaps.

The main catalysts are straightforward: official ATP and tournament schedule updates, any medical or withdrawal announcement, and whether the match is actually started and completed inside the settlement window. The Winston-Salem Open’s published schedule had Monday 24 August singles sessions listed, while live scoreboards and match listings showed the pair on court the previous day, so traders need to watch for rescheduling or a scratch rather than assume the original start time still governs settlement.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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 Kalshi 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%.