Estoril Open: Tiago Torres vs Nikoloz Basilashvili

Platform comparison

Market context

Tiago Torres defeated Nikoloz Basilashvili 6-4, 6-2 in the first round of the Estoril Open on Monday, securing his debut ATP Tour victory on home soil in Portugal [2]. The match, originally scheduled for 20 July 2026, has already concluded with Torres advancing, which explains the current crowd-implied probability of 100% for a "YES" outcome on Torres progressing. In prediction markets, a YES share pays out if the event occurs, while a NO share pays out if it does not; here, the event has effectively happened, locking the market in favour of Torres.

Historically, prediction markets with 100% implied probability after a match result are rare but straightforward, as they reflect settled facts rather than speculative odds. Comparable cases in tennis markets show that once a result is confirmed by official ATP records, probabilities collapse to extremes, eliminating trading uncertainty [2]. This mirrors how markets behave post-event in other sports: once the outcome is known, the price stabilises, and no further volatility is expected unless a match is overturned, which is exceptionally uncommon in professional tennis.

Traders should monitor the official ATP tournament page for any formal confirmation of the result and check for potential delays in settlement due to administrative processing, though none are anticipated [1]. The primary catalyst is the match result itself, which is already recorded, and the settlement window ending 2026-07-27 will simply formalise this outcome. No further announcements, schedule changes, or dependencies are relevant, as the match has been completed and Torres has advanced as the market defines.

Sources: 1 · 2

Methodology

This page reviews Estoril Open: Tiago Torres vs Nikoloz Basilashvili 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 Prediction Market UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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.

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.