Hagen: Lorenzo Giustino vs Vitaliy Sachko

Platform comparison

Market context

Lorenzo Giustino’s match with Vitaliy Sachko in Hagen is priced as a Sachko lean across the main sports books, even though the prediction market is already at **100% YES** on Giustino. Bookmakers quoted in the available odds board make Sachko the clear favourite at around 1.53 decimal, with Giustino generally in the 2.30-2.50 range, which implies roughly a 60-65% win chance for Sachko before margins.[1][12] That sits close to several independent preview models: Tennis.com lists Sachko at **61%** projected winner, while Sportus and BetClan both show roughly **65%** for Sachko.[6][8][9] The market’s 100% figure is therefore much more aggressive than the cross-book and analyst consensus, and looks like a contract-price artefact rather than a normal pre-match probability.

The most useful historical frame is that this is not a lopsided matchup by ranking or form, but it is also not one where Giustino has broad external support. Giustino is listed around ATP 198 and Sachko around ATP 189, and the head-to-head record on TennisTemple shows Giustino leading 1-0 overall, so there is some precedent for an upset being live.[1][11] Recent 2026 records are close as well, with Giustino at 20-22 and Sachko at 18-18 on the same source, which helps explain why some books are not stretching the price beyond the low 1.50s on Sachko.[11] In other words, a 100% YES contract implies certainty that is not matched by the broader pricing set.

For traders, the main catalysts are straightforward: final order of play, whether the Hagen Challenger match starts on schedule, and any withdrawal or walkover news before the scheduled 04 August slot shown by live scoreboards.[3][13] If the match is postponed, shortened by interruption, or not completed within the market’s seven-day window, settlement can shift away from a simple winner-take-all outcome and into the market’s 50-50 rule set. Live listings across Flashscore and SofaScore should be watched for a confirmed start time and any late change to the draw, because a match that is merely listed is not the same as a match that actually begins.[2][3]

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

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.

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.

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 Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.