Hagen: Lorenzo Giustino vs Vitaliy Sachko

Platform comparison

Market context

Polymarket is pricing **100% YES** on the Giustino v Sachko contract, which means the market is effectively treating Lorenzo Giustino’s advancement as a certainty in USDC terms on Polygon, via conditional tokens. In plain tennis terms, the market is assuming the Hagen Challenger match will produce a Giustino result rather than a void, delay, or Sachko win.

That full price sits well above what comparable pre-match data suggest. Current bookmaker and prediction aggregates still show Sachko as a narrow-to-moderate favourite, with odds around 1.53 for Sachko versus roughly 2.35–2.45 for Giustino, implying something closer to a 60–65% Sachko chance rather than a clean Giustino sweep.[1][5][7][9][12] The pair have also already met before, with head-to-head records listed as 1–0 to Giustino, but the most recent season numbers are relatively close, so a 100% contract price is hard to reconcile with the wider pre-match market.[11][13]

For traders, the practical catalysts are straightforward: the official start time, any late schedule changes in Hagen, and whether the match is actually completed inside the seven-day settlement window. Aggregators currently list the match as scheduled for 4 August, with live event pages updating as the draw and order of play are confirmed.[3][6][9][12] Because this market settles on advancement rather than match score, a retirement, walkover, cancellation, or postponement can matter as much as the on-court result if the winner is not formally determined before 10 August 2026 at 09:00 UTC.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Hagen: Lorenzo Giustino vs Vitaliy Sachko 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

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

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK 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.