Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 2 Winner | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Total Sets: O/U 2.5 | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Match O/U 21.5 | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Match O/U 22.5 | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 1 O/U 9.5 | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Match O/U 23.5 | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 1 O/U 10.5 | 100% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff | 0% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 2 O/U 8.5 | 0% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 1 Winner | 0% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 2 O/U 9.5 | 0% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set Handicap +/-1.5 | 0% |
| Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff Set 2 O/U 10.5 | 0% |
Market context
Roman Andres Burruchaga, an Argentine player ranked outside the ATP top 100, faces German veteran Jan-Lennard Struff in the opening rounds of the Cincinnati Open in August 2026. The crowd-implied probability of 32% for Burruchaga suggests the market views Struff as a clear favourite, though the Argentine's chances are not negligible at a third of the implied odds.
Struff's career trajectory provides the historical anchor here. The German has consistently competed at ATP 250 and 500 level events, with a career-high ranking in the mid-30s, and has demonstrated reliability in early-round matches against lower-ranked opponents. Burruchaga, by contrast, remains a developing player without significant ATP main draw experience at major tournaments. In comparable matchups between established mid-tier professionals and rising challengers outside the top 100, the established player wins roughly 70–75% of the time, which aligns closely with the current market pricing.
The settlement window extends to 20 August, allowing a week's buffer beyond the scheduled 13 August date. Key variables include fitness status of both players heading into Cincinnati—Struff's recent form in summer hard-court events and whether Burruchaga has secured qualifying wins or received a direct main draw invitation. Any late withdrawals or schedule adjustments would trigger the 50-50 resolution clause. Traders should monitor ATP entry lists and injury reports in the fortnight before the tournament; Struff's participation in warm-up events immediately prior would signal confidence in his physical condition.
Methodology
We track Cincinnati Open: Roman Andres Burruchaga vs Jan-Lennard Struff 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
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.
- 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.
- 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%.
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