Hagen: Tom Gentzsch vs Zsombor Piros

Platform comparison

Market context

Tom Gentzsch against Zsombor Piros in Hagen is priced as a near-certainty for one side, but the market mechanics matter as much as the tennis. The current crowd-implied probability at 100% YES implies traders are treating a completed, one-winner outcome as the base case, yet this contract still has explicit fall-back rules if the match is washed out, abandoned, or drifts beyond the settlement window. For a programme-driven workflow, that means the key state variable is not just “who is stronger?” but “has the match reached an unambiguous completion before the cut-off?”

Comparable pricing across pre-match tennis books and prediction sites points to Piros as the short favourite, with multiple listings putting him around 1.44–1.66 decimal and Gentzsch around 2.06–2.71, while some model-based pages have still leaned the other way on a straight match win basis.[1][3][6][12] That spread is useful for automated trading: a bot can compare the market’s binary contract price against the implied win probability from external odds, then decide whether the contract is over- or under-priced after accounting for the settlement rules and the chance of a no-result.

The practical catalysts are straightforward: official start time, any rescheduling, court assignment, and whether play actually begins before the settlement deadline.[6][17] Recent previews and sportsbook boards show the fixture was expected on 8 August, with Piros generally favoured, but if the event is delayed, suspended, or not completed, the market may flip to the 50-50 fallback rather than resolve to either player.[1][3][6] For conditional orders, the safest trigger is live confirmation that the match has started and is progressing normally, because once the “begun but not completed” clause becomes relevant, advancement rules rather than pre-match price are what determine payout.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Hagen: Tom Gentzsch vs Zsombor Piros 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

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 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.