توقع: Livesport Prague Open: Ayla Aksu vs Sofia Costoulas

Platform comparison

Market context

The Livesport Prague Open first-round match between Ayla Aksu and Sofia Costoulas, scheduled for 8:00AM ET on 20 July 2026, has already concluded with Costoulas defeating Aksu 7–5, 6–2 in the qualifications the previous day, meaning the market’s 100% YES probability for Aksu advancing is fundamentally misaligned with the actual result [1][5]. This discrepancy suggests the market may be resolving on a technicality, such as a replay or administrative error, rather than the on-court outcome, as Costoulas has dominated their head-to-head record with three wins to Aksu’s one across four meetings, including a 2–0 hard-court advantage [1][5].

Historical precedents in WTA events show that when a player defeats their opponent in qualifications and then faces them again in the main draw due to a draw error or withdrawal reversal, the market often corrects to reflect the superior player’s form; Costoulas’ 63% win rate against shared opponents and 25–17 2026 record, including a W75 Kofu title, further cement her as the clear favourite [2][7]. Traders should monitor official WTA Prague Open communications for any announcement regarding a match replay, player injury, or draw correction, as the settlement window ending 2026-07-27 allows for such administrative resolutions [5][7]. No recent news indicates a suspension or injury, but the qualification result is the definitive catalyst that invalidates the current probability unless the tournament committee orders a rematch [5].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for توقع: Livesport Prague Open: Ayla Aksu vs Sofia Costoulas. 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

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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.