Wimbledon WTA: Irina-Camelia Begu vs Katie Swan

Platform comparison

Market context

The underlying event is the Round of 128 WTA match between Irina-Camelia Begu and Katie Swan at Wimbledon 2026, originally set for 6:00 AM ET on 29 June 2026. Current crowd-implied probability of 0% for Begu advancing suggests a near-certainty of cancellation, walkover, or a pre-match withdrawal favouring Swan, despite betting models showing the contest as virtually even with Begu at 49% and Swan at 51% win probability[1]. Historical precedents in early-round Wimbledon matches where one player holds a 0% market probability typically involve severe injury disclosures, administrative errors in scheduling, or a confirmed walkover before the first ball is struck, as seen in similar 2024 and 2025 first-round cancellations where the market resolved to a fair price rather than a winner[2].

Traders must monitor immediate WTA official announcements regarding player fitness, travel disruptions, or tournament re-scheduling notices, as the market remains open only until a ball is played or a formal cancellation is declared[2]. Key catalysts include any late-breaking news from the WTA press desk confirming Begu’s inability to compete, which would instantly validate the 0% probability, or a sudden schedule shift pushing the match beyond the seven-day delay threshold, triggering the 50-50 resolution clause[2]. The age and ranking disparity—Begu at 35 years old and rank 211 versus Swan at 27 and rank 196—adds volatility, as older players face higher injury risks during the grueling grass-court season, a factor frequently cited by beat reporters covering Wimbledon upsets[10]. No further updates are expected until the official WTA tournament scoreboard confirms the match status or a player withdrawal is logged[8].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Wimbledon WTA: Irina-Camelia Begu vs Katie Swan. 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.

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.