Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Match O/U 21.5 | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 2 O/U 8.5 | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 1 O/U 8.5 | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 2 O/U 9.5 | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set Handicap +/-1.5 | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 1 O/U 9.5 | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 2 O/U 10.5 | 100% |
| Roehampton: Yuta Shimizu vs Anton Matusevich | 0% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 2 Winner | 0% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 1 Winner | 0% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Total Sets: O/U 2.5 | 0% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set Handicap +/-1.5 | 0% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Match O/U 22.5 | 0% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Match O/U 23.5 | 0% |
| Roehampton: Yuta Shimizu vs Anton Matusevich Set 1 O/U 10.5 | 0% |
Market context
Yuta Shimizu and Anton Matusevich are scheduled to meet at Roehampton on 17 August 2026, with the match originally set for 5:00 AM ET. The 0% crowd probability suggests either minimal trading activity or strong consensus that the match will not proceed as scheduled. Roehampton hosts the Rothesay International, a grass-court warm-up event ahead of the US Open hard-court season, making August timing typical for the tournament calendar.
Shimizu, a Japanese player ranked in the lower reaches of the ATP, has competed sporadically on the professional circuit with limited grass-court exposure. Matusevich, a Belarusian prospect, similarly operates outside the top 100 and has shown inconsistent results across surfaces. Neither player commands significant seeding or media attention at tier-two events. Historical precedent suggests that matches involving players of this ranking tier at secondary tournaments face elevated cancellation risk due to injury, withdrawal, or scheduling conflicts—particularly when scheduled at unconventional early morning slots that may reflect late-round or qualifying-round placements.
Traders should monitor official Roehampton draw confirmations and ATP injury reports through early August. The settlement window extends to 24 August, allowing a seven-day grace period for rescheduling. Any announcement regarding player withdrawals, illness, or tournament restructuring would immediately shift the 50-50 tie resolution clause into play. Recent grass-court results from both players during July warm-up tournaments will provide the most reliable indicator of match likelihood; absence from those events would signal potential withdrawal from Roehampton itself.
Methodology
Sports-specific comparison page for Roehampton: Yuta Shimizu vs Anton Matusevich. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
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