Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket UK.
Active sub-markets
Market context
Svajda, the American qualifier ranked outside the top 100, faces Walton in the opening round of Roland Garros on 28 May 2026. The Polymarket contract currently prices Svajda's advancement at 73 per cent, reflecting modest confidence in the lower-seeded player despite the inherent volatility of early-round clay-court tennis. Settlement occurs on 4 June, allowing a seven-day window for the match to conclude; any cancellation, tie, or extended delay beyond that threshold triggers a 50-50 resolution.
Svajda's recent trajectory provides context for the market's lean toward his victory. He has shown improvement in qualifying rounds and lower-tier ATP events, though his record against established players remains mixed. Walton, similarly ranked in the lower echelons, offers limited historical precedent for direct comparison; early-round matchups between unranked or fringe players typically hinge on recent form rather than career records. The 73 per cent probability suggests the market has identified a marginal edge for Svajda, possibly based on recent tournament results or draw positioning.
Traders should monitor official ATP scheduling confirmations and any weather delays affecting the Roland Garros schedule, particularly given the tournament's vulnerability to rain interruptions. Injury withdrawals or late-round exits by higher seeds could affect court allocation and timing. The settlement window's seven-day buffer provides reasonable protection against minor scheduling disruptions, though a significant weather event or player withdrawal would trigger the conditional token mechanics on Polygon, requiring careful attention to official tournament communications through early June.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- On Polymarket UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- What does it cost to trade on Polymarket UK?
- Zero. Polymarket UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket UK triggers a quick verification flow that finishes in minutes.
Trade Roland Garros ATP: Zachary Svajda vs Adam Walton on Polymarket UK
Live order book, 0% fees, USDC settlement in seconds.
Trade on Polymarket UK →