Roland Garros ATP: Thanasi Kokkinakis vs Terence Atmane

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Active sub-markets

Market context

Kokkinakis, the Australian right-hander ranked around 70th on the ATP tour, faces Atmane, a French qualifier or lower-ranked opponent, in an early-round Roland Garros encounter scheduled for 24 May 2026. The 24% implied probability on Polymarket reflects Kokkinakis as the clear favourite, though the decimal-odds conversion (approximately 4.17 on Kalshi's format) reveals modest confidence rather than dominance. Betfair's traditional fractional odds display and Smarkets' commission structure would price this differently depending on their respective liquidity pools and fee schedules—Polymarket's 2% maker fee and Kalshi's tiered structure create measurable arbitrage opportunities for traders monitoring cross-platform spreads on lower-profile clay-court matches.

Kokkinakis has shown inconsistent form on clay relative to hard courts, with limited recent Roland Garros deep runs; his career record at the tournament sits below 40% match wins. Atmane's profile remains less documented in major ATP databases, suggesting either a qualifier pathway or a player with limited seeding history. The scheduling—an early morning 5:00 AM ET slot—may affect betting liquidity and real-time price discovery across platforms, particularly for UK-based traders on Smarkets who face different timezone considerations than US-based Polymarket users.

Weather delays on the Roland Garros clay courts frequently push matches beyond their scheduled windows. The settlement window extends to 31 May, providing a six-day buffer, but the 50-50 resolution clause for matches delayed beyond seven days creates a hard deadline traders must monitor. Recent ATP injury reports and court-surface preparation updates from the French Tennis Federation should be tracked through ATP official channels and tournament draw confirmations, as late withdrawals or schedule reshuffles remain common at Grand Slams.

Methodology

This page compares Roland Garros ATP: Thanasi Kokkinakis vs Terence Atmane specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

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.

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.

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.

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.