Estoril Open: Andrey Rublev vs Luca Van Assche

Platform comparison

Market context

Polymarket is pricing Andrey Rublev to advance at about **83%** in USDC terms on Polygon, with the contract settling through conditional tokens on whether he wins this Estoril Open match against Luca Van Assche. That is a notably strong favourite price, and it sits above most model-based tennis estimates in the search results, which cluster nearer the mid-70s to low-80s for Rublev rather than a near-certainty[1][3][5].

The market is easier to read when set against comparable pre-match signals: String Tension’s Elo model gives Rublev **75.1%** and Van Assche **24.9%**, while several preview pieces also call Rublev in straight sets[1][2][5]. Tennis Tonic’s pricing lines show a similar one-sided setup, with Rublev listed around **1.168** versus **5.05** for Van Assche, and other draw previews note Rublev’s strong projected path through the event[3][4]. In practical terms, a Polymarket price above those estimates suggests traders are leaning into Rublev’s established level and expecting the favoured player to survive the quarter-final without drama[1][3].

The main catalysts are simple but important for settlement risk: whether the match is played on schedule, whether it starts, and whether any postponement pushes it beyond the market’s seven-day delay rule. The contract explicitly pays Rublev if he advances, Van Assche if he advances, and reverts to 50-50 only if the match is cancelled, tied, or delayed too long without a winner. Live score listings show the quarter-final was scheduled for **24 July 2026 at 12:10 UTC**, so any official ATP or tournament scheduling change, weather delay, or retirement scenario is what a trader should watch most closely[7].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Estoril Open: Andrey Rublev vs Luca Van Assche 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 Polymarket Scam?, which mirrors the Polymarket order book at 0% fees.

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 Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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.