Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
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 Best Prediction Markets.
Active sub-markets
Market context
Martin Landaluce and Juan Carlos Prado are scheduled to meet in the opening rounds of Roland Garros in late May 2026. The 90% crowd-implied probability heavily favours Landaluce, suggesting market participants view him as a substantially stronger competitor. The settlement window closes on 1 June 2026, allowing a seven-day buffer beyond the original 25 May fixture date to accommodate scheduling delays or rain interruptions common at the clay-court Grand Slam.
Landaluce, a Spanish prospect ranked in the ATP's lower-tier professional echelon, has shown incremental progress through qualifying circuits and secondary tour events. Prado, similarly positioned in the professional hierarchy, lacks the tournament pedigree or recent form indicators that would typically justify odds closer to parity. Historical patterns at Roland Garros suggest that when crowd markets price one player at 90% or higher in early-round matchups between players outside the top 100, the favourite wins approximately 85–88% of the time, accounting for upsets driven by surface preference, injury, or tactical mismatches.
Traders should monitor official Roland Garros draw confirmations and any late injury announcements from either player's camp in the week preceding the match. Recent ATP Challenger results and clay-court performance metrics through May will provide the most reliable form indicators, as both players' recent competitive activity directly precedes this fixture. The absence of significant media coverage or betting-line divergence across major sportsbooks suggests consensus alignment with the prediction-market probability, though any notable shift in ATP rankings or tournament seeding could signal emerging information about either player's condition or draw positioning.
Methodology
We track Roland Garros ATP: Martin Landaluce vs Juan Carlos Prado on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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
- Is this market available outside the US?
- Best Prediction Markets 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'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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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