Hagen: Tom Gentzsch vs Henri Squire

Platform comparison

Market context

Polymarket is pricing this Hagen quarter-final at **100% YES** for Tom Gentzsch, which means the contract is effectively at the ceiling for a Gentzsch advance and has almost no room left to move on fresh pre-match information. On the exchange, the outcome is settled in USDC on Polygon through conditional tokens, so what matters is not just who is ahead on court but whether Gentzsch is officially recorded as advancing before the settlement window closes.

That extreme price sits well above the surrounding market consensus. Pre-match tennis books and comparison sites had Gentzsch favoured, but only in the low-to-mid 60% range: PokerStars listed him around 1.60 and Henri Squire at 2.15, while TennisTemple showed average odds near 1.64 and 2.15, implying roughly a 61%/39% split rather than anything close to certainty.[1][2] Kalshi and other model-based listings were also much more restrained, with Gentzsch around 56–57% and Squire around 43–44%.[5][6] For Polymarket users, that gap matters because a 100% market price usually reflects either a late result already being absorbed, very thin remaining liquidity, or strong confidence that the match outcome has effectively been decided.

The main catalysts now are procedural rather than predictive: whether the match is actually completed, whether there is a retirement, and whether any official postponement pushes it beyond the seven-day rule in the market terms. The listing shows the match was scheduled for 7 August in Hagen, and live scoreboards indicate the fixture has already been played to completion, with Gentzsch listed as the winner.[2][9][12] In practice, traders watching the token should focus on the tournament’s official order of play and result feed, because Polymarket resolves from the documented advancement of the named player, not from pre-match pricing or model estimates.[4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.