Istanbul 2: Petr Bar Biryukov vs Paul Inchauspe

Platform comparison

Market context

The match was listed for Istanbul 2 as a round-of-32 meeting on outdoor hard courts, with live schedules showing a 4 August start and no completed head-to-head record between Petr Bar Biryukov and Paul Inchauspe.[2][4] That matters because the current **0% YES** implies the market is treating a Biryukov advance as effectively off the table, yet the pre-match matchup itself is not one with any prior direct history to anchor a strong favourite read.[1][4]

In comparison terms, the ranking gap is meaningful: Bar Biryukov is shown around ATP 281–285, while Inchauspe is listed around ATP 600–679 depending on the feed.[1][2][3] Bar Biryukov also carried the stronger season and recent-match profile in the available stats, with roughly low-60s win rates over 2026 and the last 12 months, while Inchauspe’s published form sample is smaller and less established.[4][6] For a challenger-level match, that sort of ranking spread would normally leave room for a live underdog price, but not for a complete market shutdown unless the event had already been decided or rendered untradeable.

The main catalysts to watch are the tournament court order, any walkover or retirement notice, and whether the fixture is still officially on the Istanbul 2 draw sheet at the time of play.[2][6] Several live scoreboards had the match as scheduled for 4 August, which suggests the key dependency is not demand-side news but whether the match actually starts and finishes before the 7-day settlement cutoff on 10 August.[2][3] If it does not commence, or if the event is delayed beyond that window without a winner, the market rules point to a 50-50 resolution rather than a player result.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

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

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.

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.