Brownsburg: Stefan Kozlov vs Harry Wendelken

Platform comparison

Market context

Stefan Kozlov faces Harry Wendelken in Brownsburg on 13 August 2026, with the market currently pricing Kozlov's advancement at 23 per cent. The American pair are competing at what appears to be a lower-tier professional or satellite event, where seeding and recent form carry outsized weight in match outcomes. No material changes to either player's status or injury reports have emerged in the past 48 hours that would explain the current probability distribution.

Kozlov, ranked around 200th on the ATP, has shown inconsistent results at this tier—capable of strong performances but prone to early exits against similarly-ranked opponents. Wendelken's recent record and head-to-head history against Kozlov remain the primary historical anchors here. At satellite and Challenger level, home-court advantage and surface familiarity often shift probabilities more sharply than at Grand Slam events. The 23 per cent probability suggests the market views Wendelken as a modest favourite, though the gap is not decisive.

Traders should monitor the official draw confirmation and any late withdrawal announcements through the tournament's official channels, as lower-tier events occasionally see last-minute scratches. Weather conditions in Brownsburg on match day—particularly if the event is outdoors—could influence serve-dependent players disproportionately. Injury updates or practice-session reports from either player in the 48 hours before play would be the primary catalyst for probability shifts. The settlement window's 7-day buffer means delays beyond 20 August would trigger a 50-50 resolution, a tail risk worth noting if weather disruptions are forecast.

Methodology

This page reviews Brownsburg: Stefan Kozlov vs Harry Wendelken 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 Today, 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.

UK Frequently Asked Questions

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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.

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