Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 2 O/U 8.5 | 100% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 2 O/U 9.5 | 100% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set Handicap +/-1.5 | 100% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 2 Winner | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 1 Winner | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Total Sets: O/U 2.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 1 O/U 8.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Match O/U 21.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set Handicap +/-1.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 1 O/U 9.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Match O/U 22.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 1 O/U 10.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Set 2 O/U 10.5 | 0% |
| Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng Match O/U 23.5 | 0% |
Market context
Oleksii Krutykh, a Ukrainian player ranked outside the top 200, faces Chun-Hsin Tseng of Taiwan in an early-round match at the Prague 2 ATP Challenger event scheduled for 20 August 2026. The 0% YES probability on Polymarket reflects Tseng's substantial ranking advantage—he has held positions within the top 100 and brings considerably more ATP-level experience. On Polygon, USDC holders pricing this contract are currently assigning negligible odds to a Krutykh victory, though the conditional token structure means any shift in pre-match information would immediately reprice the market.
Comparable Challenger-level upsets involving lower-ranked players do occur, but rarely at the scale required here. Historical data from similar Prague 2 tournaments shows that players ranked 150+ positions below their opponent advance in fewer than 5% of matches. Tseng's consistency on the Challenger circuit, where he has reached multiple finals, provides a baseline expectation that heavily favours the higher seed. The market's current pricing aligns with standard ATP Challenger dynamics rather than reflecting any specific weakness in Tseng's form.
Traders should monitor official ATP Challenger draw confirmations and any late withdrawals or injury reports in the week preceding 20 August. Surface conditions at Prague's clay courts and recent match fitness data for both players—particularly Tseng's performance in the fortnight before the event—could shift sentiment if material changes emerge. The settlement window extends to 27 August, providing a week buffer for delayed or rescheduled matches.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
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
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade Prague 2: Oleksii Krutykh vs Chun-Hsin Tseng on PolyGram
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