Stuttgart Open: Mattia Bellucci vs Yannick Hanfmann

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Market context

The Stuttgart Open, held annually on grass courts in Germany, will feature a first-round match between Italian qualifier Mattia Bellucci and German wildcard Yannick Hanfmann in June 2026. A YES share represents a bet on Bellucci advancing; a NO share bets on Hanfmann. The current 34% probability assigned to Bellucci reflects the market's assessment that Hanfmann, playing at home with wildcardentry, holds the advantage. Traders holding YES shares profit if Bellucci wins; those holding NO shares profit if Hanfmann progresses or if the match fails to complete under the market's rules.

Bellucci's recent trajectory shows steady improvement through Challenger circuits, though he has limited ATP-level grass-court experience. Hanfmann, a German national ranked within the top 150, typically performs better on home soil and has competed regularly at Stuttgart in prior years. Historical Stuttgart wildcards have mixed records—some exploit home advantage effectively, whilst others struggle against touring professionals. The current 34% probability suggests the market views Bellucci as a slight underdog despite his rising form, weighting Hanfmann's home-court positioning and wildcardstatus as material factors.

Key variables for traders include confirmation of both players' fitness status and any late withdrawals, which would trigger the 50-50 resolution clause. Weather delays on grass courts are common in June; matches postponed beyond seven days without completion also resolve 50-50. Recent ATP scheduling announcements and either player's performance in warm-up events immediately before Stuttgart will provide concrete data on form and injury status closer to the settlement window closing on 17 June 2026.

Methodology

This page reviews Stuttgart Open: Mattia Bellucci vs Yannick Hanfmann across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Market UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

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How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Prediction Market UK?

Zero. Prediction Market UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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