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Winston-Salem Open: Jan Choinski vs Mees Rottgering

Sports snapshot for "Winston-Salem Open: Jan Choinski vs Mees Rottgering" with league data and platform comparison on a single page.

Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 1 O/U 8.5 100% Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 1 O/U 9.5 100% Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 1 O/U 10.5 100% Winston-Salem Open: Jan Choinski vs Mees Rottgering Match O/U 23.5 98% Volume: $153K Liquidity: $573K Closes: 31 Aug 2026
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Winston-Salem Open: Jan Choinski vs Mees Rottgering

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
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.

OutcomeProbability
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 1 O/U 8.5100%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 1 O/U 9.5100%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 1 O/U 10.5100%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Match O/U 23.598%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 2 Winner97%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Total Sets: O/U 2.594%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Match O/U 21.566%
Winston-Salem Open: Jan Choinski vs Mees Rottgering53%
Completed Match50%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 2 O/U 8.550%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Match O/U 22.550%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 2 O/U 9.550%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 2 O/U 10.550%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Game Spread +/-1.550%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set Handicap +/-1.56%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set Handicap +/-1.54%
Winston-Salem Open: Jan Choinski vs Mees Rottgering Set 1 Winner0%

Market context

The Winston-Salem Open: Jan Choinski vs Mees Rottgering prediction market currently prices this outcome at 100% YES. This market refers to the tennis match between Jan Choinski and Mees Rottgering in the Winston-Salem Open, originally scheduled for August 24, 2026 at 3:30PM ET. This market will resolve to 'Jan Choi…

Methodology

Sports-specific comparison page for Winston-Salem Open: Jan Choinski vs Mees Rottgering. 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

When do sports markets resolve?
Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
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.
Which sports markets are available?
Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
Can I import form data and lineups?
This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
Chris ReedChris ReedPolitical Forecasting EditorandMaya TorresMaya TorresFinancial Markets Writer

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