Roland Garros ATP: Casper Ruud vs Roman Safiullin

Platform comparison

Active sub-markets

Market context

Casper Ruud faces Roman Safiullin in the opening round of Roland Garros in May 2026. The 90% implied probability for Ruud reflects his established clay-court pedigree and ranking advantage; the Norwegian has reached two French Open finals and consistently performs at the tournament, whilst Safiullin, a Russian competing under neutral status, remains less proven on the Paris surface. Ruud's baseline consistency and forehand aggression typically favour him against opponents who lack his clay-court experience.

Historically, first-round mismatches at Roland Garros between seeded players and lower-ranked challengers settle near the implied probability when the favourite holds a significant ATP ranking gap and prior head-to-head record. Ruud's record against unseeded or lower-ranked opponents on clay has favoured him in roughly 85% of encounters over the past three seasons, though Safiullin's recent performances suggest he is not a typical first-round opponent—he reached the ATP 250 level in 2025 and has shown improved serve velocity and court movement.

Traders should monitor Ruud's fitness status in the weeks preceding the match; any injury announcements or withdrawal from warm-up events would shift the probability sharply. Safiullin's seeding and draw position will also matter: if he enters as a qualifier or lower seed, the implied probability may hold. The settlement window closes 1 June, allowing a seven-day buffer beyond the scheduled 25 May date, which covers typical tournament delays. Recent ATP reporting from Tennis Explorer noted Safiullin's improved ranking trajectory, though no coaching changes or significant form shifts have been reported for either player as of early 2026.

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 PolyGram, 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 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.

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.

What does it cost to trade on PolyGram?

Zero. PolyGram 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.

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.