Roehampton: Benjamin Gusic Wan vs Leonardo Rossi

Platform comparison

Market context

Benjamin Gusic Wan and Leonardo Rossi are scheduled to meet in qualifying play at Roehampton in August 2026. The Polymarket contract currently prices Gusic Wan's advancement at zero, reflecting either minimal liquidity or a strong consensus view favouring Rossi. On-chain, this conditional token pair sits on Polygon, denominated in USDC, with settlement tied to the official ATP/WTA qualifying result by 23 August 2026. The 0% pricing suggests either the market has not yet attracted traders willing to back Gusic Wan, or those familiar with both players' recent form regard Rossi as a prohibitive favourite.

Qualifying draws at Roehampton typically feature players ranked outside the top 100, often with significant gaps in recent match data. Without recent head-to-head history or published rankings as of mid-2026, historical precedent suggests that qualifying matches at grass-court events often favour players with prior experience on the surface. Rossi's apparent pricing advantage could reflect either superior grass credentials or a ranking edge, though the complete absence of YES liquidity indicates limited market confidence in either player's profile at this stage.

Traders should monitor official ATP qualifying draws and any withdrawal announcements closer to the August 16 start date. Surface conditions at Roehampton—notoriously variable—can shift match dynamics significantly. The seven-day delay clause creates settlement risk if weather disrupts the schedule; any cancellation or tie triggers a 50-50 split. Early entry of liquidity on either side would signal emerging information about player fitness, recent form, or surface suitability.

Methodology

This page reviews Roehampton: Benjamin Gusic Wan vs Leonardo Rossi across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

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.

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'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.

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 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.