Estoril Open: Tiago Torres vs Nikoloz Basilashvili

Platform comparison

Market context

Portugal’s Tiago Torres secured his first ATP Tour victory on home soil at the Estoril Open, defeating Nikoloz Basilashvili 6–4, 6–2 in the opening round on Monday, 20 July 2026 [2]. The match, originally scheduled for 6:00 AM ET, concluded early in European evening time, with Torres advancing cleanly without tiebreaks or extended sets [1]. This result directly validates the 100% YES crowd-implied probability on the prediction market, which resolves to “Tiago Torres” if he advances against Basilashvili.

Historically, 100% implied probabilities in live tennis prediction markets rarely persist post-match unless the outcome is already confirmed; comparable cases from ATP events in 2024–2025 show similar contracts collapsing to 50–50 only when matches were abandoned or delayed beyond seven days, not when one player clearly wins [2]. The absence of any cancellation, tie, or multi-day delay here means the 50–50 settlement clause is inactive, and the market’s resolution is effectively locked to Torres.

Traders should monitor the official ATP Estoril Open draw for Torres’s next opponent, as his progression hinges on that subsequent match, not this resolved contest [2]. No further announcements regarding Basilashvili’s withdrawal or schedule changes are expected, given the match’s completion. With the settlement window ending 27 July 2026, the market will resolve definitively to “Tiago Torres” once the platform confirms the result, aligning sportsbook lines, prediction-market odds, and analyst consensus without divergence.

Sources: 1 · 2

Methodology

We track Estoril Open: Tiago Torres vs Nikoloz Basilashvili 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.

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 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.

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.