Contrexeville: Petra Marcinko vs Clara Burel

Platform comparison

Market context

This market covers the third-round women’s singles clay-court match between Petra Marcinko of Croatia and Clara Burel of France at the Grand Est Open in Contrexeville, originally set for 4:00 AM ET on 7 July 2026. The crowd-implied probability of 0% YES for Marcinko advancing suggests the market views her as a near-certain loser, despite her trailing 12-month win rate of 67.5% compared to Burel’s 66.7% over the same period[1].

Historically, 0% probabilities in tennis prediction markets have occurred only when one player is severely injured, suspended, or has withdrawn before the match—cases where the contest is effectively void. Yet no such news exists here; both players are listed in the tournament draw, and there is no head-to-head record between them, indicating this is their first professional encounter[1][2]. Marcinko’s recent form is inconsistent, with five wins and five losses in her last ten outings, while Burel has won six of nine matches in 2026, including a 66.7% win rate on clay[1][4].

Traders should monitor official WTA injury reports and on-site warm-up confirmations before the match begins, as any sudden withdrawal would shift the market to the 50-50 resolution clause. Burel’s stronger 2026 clay performance (66.7% win rate from six matches) versus Marcinko’s 60.0% from nine matches on the same surface is a key catalyst[1]. No recent news source has reported suspensions or injuries, but the absence of H2H data means early momentum could heavily sway the outcome[1][2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Contrexeville: Petra Marcinko vs Clara Burel. 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

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.