Hagen: Tom Gentzsch vs Henri Squire

Platform comparison

Market context

Tom Gentzsch’s quarter-final against Henri Squire in Hagen is priced very differently across venues, with sportsbook markets clustering around Gentzsch at roughly 60-65% while the prediction market is fully one-sided at **100% YES** for Gentzsch. That gap suggests either an aggressively decisive crowd view or a contract that is already being treated as effectively locked in, even though the open market still leaves Squire a live underdog. [1][3][8]

Historical framing is mixed but slightly Gentzsch-favoured: listed ATP rankings put him ahead of Squire, and the main sportsbooks have consistently made him the shorter price, with average moneyline odds around 1.64 for Gentzsch and 2.15 for Squire. Independent model and tipster pages are broadly aligned with that picture, generally landing in the low-to-mid 60s for Gentzsch, which is materially lower than the crowd-implied certainty on the contract. [1][9][10][13] Head-to-head data is thin or absent on some feeds, so there is limited match-specific history to anchor a stronger consensus. [2][15]

The key catalyst is simple: whether the scheduled quarter-final actually starts and reaches a winner before the 7-day settlement cut-off. Current listings show the match as a same-day event, but tennis markets can still reprice sharply if the order of play changes, a player withdraws, or the contest is interrupted and resumed later; if it is not completed and no winner is officially advanced, the contract can fall back to 50-50 under the market rules. [3][6][12] The practical watchpoint for traders is the official tournament draw and live match status, because a late walkover, retirement, or weather disruption would matter more here than small shifts in pre-match form. [12][14]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Hagen: Tom Gentzsch vs Henri Squire across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

What are the best prediction markets for UK traders in 2026?

For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.