Wimbledon ATP: Tallon Griekspoor vs James Duckworth

Platform comparison

Market context

The underlying event is Tallon Griekspoor’s ATP singles match against James Duckworth at Wimbledon, originally set for 29 June 2026, where the market currently prices Griekspoor’s advancement at 0% despite his career-high ranking of No. 21 and a 62% overall win rate[1][2]. Historical precedents show that grass-court specialists with sub-50% recent form on the surface often face near-zero pricing when paired against unranked opponents, yet Griekspoor’s 2025 Wimbledon record (1st round loss) and current ranking drop to No. 58 suggest vulnerability rather than certainty[3][10]. The 0% figure likely reflects Duckworth’s untested grass record and Griekspoor’s recent losses in Halle and s-Hertogenbosch, where he fell to Sho Shimabukuro and Zhizhen Zhang respectively[2][3][6].

Traders must monitor Griekspoor’s pre-match fitness announcement and Duckworth’s entry status, as any withdrawal or injury could trigger a 50-50 resolution if the match is canceled or delayed beyond seven days[4]. Recent news from the ATP Tour confirms Griekspoor’s first-round win at s-Hertogenbosch but also his second-round exit, highlighting inconsistent grass performance that may sway the line if Duckworth shows superior recent form[4][6]. No suspensions or lineup changes have been reported, but the settlement window ending 6 July 2026 means any delay beyond that date resolves the market to 50-50, a critical dependency for position sizing[4].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Wimbledon ATP: Tallon Griekspoor vs James Duckworth. 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.

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.

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.