Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 1 Winner | 100% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 2 O/U 8.5 | 100% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 2 O/U 9.5 | 100% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Total Sets: O/U 2.5 | 75% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Match O/U 21.5 | 75% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Match O/U 22.5 | 75% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Match O/U 23.5 | 75% |
| Completed Match | 50% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken | 21% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set Handicap +/-1.5 | 13% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set Handicap +/-1.5 | 13% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 1 O/U 8.5 | 0% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 2 Winner | 0% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 1 O/U 9.5 | 0% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 1 O/U 10.5 | 0% |
| Brownsburg: Stefan Kozlov vs Harry Wendelken Set 2 O/U 10.5 | 0% |
Market context
Stefan Kozlov and Harry Wendelken are scheduled to meet in Brownsburg on 13 August 2026 at 10:00 AM ET. The match forms part of what appears to be a lower-tier professional or qualifying circuit event. Kozlov, a former top-100 player who has competed on the ATP Tour, brings considerably more experience and ranking history than Wendelken, whose profile suggests developmental-level competition. The 23% implied probability for Kozlov reflects meaningful uncertainty despite the experience gap, suggesting either recent form concerns for the favourite or notable recent improvement from Wendelken.
Historical precedent for matches between significantly disparate ranking levels shows that upset probabilities typically settle between 15–30% depending on surface, recent match outcomes, and injury status. When an experienced player faces a developmental opponent, the crowd-implied odds here sit comfortably within that range, indicating the market has not overweighted Kozlov's credentials. Recent ATP Challenger and ITF results for both players would be the primary determinant of whether this probability should drift materially.
Traders should monitor whether either player withdraws or sustains injury in the fortnight before the match, as the resolution rules specify that cancellation or delays beyond seven days trigger a 50-50 settlement. Confirmation of the tournament's final draw and any late scheduling adjustments should be tracked through the ATP's official calendar and regional tournament announcements. Surface conditions at Brownsburg and recent hard-court form for both players will carry weight closer to the scheduled date.
Methodology
Sports-specific comparison page for Brownsburg: Stefan Kozlov vs Harry Wendelken. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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