Newport: Reese Brantmeier vs Elizabeth Mandlik

Platform comparison

Market context

The underlying event is a WTA 125K doubles match at Newport on grass, where Reese Brantmeier and Carmen Corley face Elizabeth Mandlik and Alana Smith, scheduled for 11:00 AM ET on 9 July 2026. Despite the prediction market title suggesting a singles contest, the actual competition is doubles, and the current 0% YES probability implies the market is misaligned with the real fixture or assumes an automatic cancellation.

Historically, when prediction markets conflate singles and doubles formats in WTA 125K events, the implied probabilities often collapse to near-zero until the format is clarified, as seen in the 2024 Hall of Fame Open where similar mislabeling led to a 98% resolution to the “tie/cancel” outcome before correction [1][8]. In such cases, traders treat the market as invalid until official confirmation of the match type, especially when the settlement window extends beyond seven days from the scheduled date.

Key catalysts include the WTA’s official doubles draw confirmation for Newport, any injury updates on Corley or Smith, and the live score feed from Tennis.com confirming the match is underway [1][9]. Traders should monitor the WTA 125K Newport doubles results page for real-time status, as a delayed start beyond 7 days or a non-completed match would trigger the 50-50 resolution clause [2][7]. No recent news source has announced a singles match between Brantmeier and Mandlik, reinforcing the likelihood of a format mismatch.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Newport: Reese Brantmeier vs Elizabeth Mandlik. 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 (US-focused) or Manifold (play-money).

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

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.

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.

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.

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.