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Roland Garros ATP: Federico Cina vs Reilly Opelka

How the prediction-market book is pricing "Roland Garros ATP: Federico Cina vs Reilly Opelka" right now, with a side-by-side platform comparison and zero-fee CTAs.

100% YES 0% NO Volume: $480K Liquidity: $414K Closes: 31 May 2026
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Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
PolyGram Pick
polygram.ink
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on PolyGram →
Polymarket
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on PolyGram →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on PolyGram →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on PolyGram →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on PolyGram →

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 PolyGram.

Active sub-markets

Market context

A men's singles match between Italian qualifier Federico Cina and American serve-dominant Reilly Opelka is scheduled for the French Open on 24 May 2026 at 08:30 ET. The market resolves to the player who advances through the match, with a 50–50 settlement if the fixture is cancelled, delayed beyond seven days without completion, or abandoned mid-play without a winner determined. Current crowd pricing at 100% YES suggests near-certainty in the match occurring as scheduled, though Roland Garros clay conditions and weather patterns in late May carry material fixture-risk.

Historical precedent from ATP clay-court events shows that early-round matches involving unseeded or qualifying players face higher postponement rates than main-draw fixtures. Opelka's serve-reliant game has produced mixed results on clay; his 2024–2025 clay-court record and recent tournament entries will clarify whether he is in competitive form. Cina's ranking and seeding status determine draw positioning; if either player withdraws before play begins, the market triggers the no-contest clause. Recent ATP scheduling announcements and Roland Garros draw confirmations (typically released 10–14 days pre-tournament) will confirm fixture integrity.

From a regulatory standpoint, this market's accessibility depends on trader jurisdiction. Under German GlüStV provisions, prediction markets on sports outcomes remain subject to state-level licensing frameworks; UK-based traders face no blanket prohibition but should verify their platform's FCA standing. US CFTC reach extends to binary sports derivatives; American participants should confirm their broker's compliance posture. The "no-KYC up to $1,500" threshold, where applicable, permits smaller positions without full identity verification, though this does not exempt traders from reporting obligations in their home jurisdiction.

Methodology

We track Roland Garros ATP: Federico Cina vs Reilly Opelka 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

Where can I trade this market with the lowest fees?
On PolyGram, 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?
PolyGram 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.
Do I need to KYC for this market?
Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram 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: Federico Cina vs Reilly Opelka on PolyGram

Live order book, 0% fees, USDC settlement in seconds.

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