Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
80% | 20% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
80% | 20% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
Market context
Frances Tiafoe and Matteo Arnaldi are scheduled to meet in the second round of Roland Garros on 1 June 2026. The American enters the clay-court season having contested the Miami Open final in March, where he lost to Jannik Sinner, and has maintained a top-20 ranking throughout spring. Arnaldi, the Italian qualifier, broke into the ATP top 30 in 2024 and has shown inconsistent form on clay, though he reached the Rome Masters second round in May 2026 after defeating a seeded opponent.
Tiafoe's record against players ranked outside the top 15 on clay surfaces favours the higher seed substantially. Over the past three seasons, he has won approximately 72 per cent of such matchups at Grand Slams, whilst Arnaldi has never progressed beyond a Grand Slam second round. The 80 per cent crowd probability reflects Tiafoe's superior ranking, recent results, and the historical advantage held by American players of his calibre against emerging European clay specialists at Roland Garros.
Traders should monitor Tiafoe's fitness status through the week of 26 May, as a shoulder issue sidelined him for portions of the spring tour. Arnaldi's performance in qualifying rounds will signal whether he arrives with momentum or fatigue. Weather delays at Roland Garros frequently compress the schedule; any postponement beyond 7 June would trigger the 50-50 resolution clause. The settlement window closes 8 June at 09:00 UTC, allowing minimal buffer for extended rain interruptions.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $130K.
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 Sport Prediction, 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.
FAQ
- Where can I trade this market with the lowest fees?
- On Sport Prediction, 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.
- What does it cost to trade on Sport Prediction?
- Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction 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.
Trade Roland Garros ATP: Frances Tiafoe vs Matteo Arnaldi on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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