Roland Garros WTA: Marta Kostyuk vs Mirra Andreeva

Platform comparison

Active sub-markets

Market context

Marta Kostyuk and Mirra Andreeva are scheduled to meet in the Roland Garros women's draw on 4 June 2026. The market currently prices Kostyuk at 54 per cent implied probability, positioning her as the marginal favourite despite the pair's limited head-to-head record and comparable ranking trajectories. Both players have emerged as serious clay-court threats in recent seasons, with Andreeva's rapid ascent through the rankings and Kostyuk's consistency on the WTA tour creating genuine uncertainty about which player holds the edge on the Paris surface.

Kostyuk's record at Roland Garros provides the historical anchor here. She has progressed steadily through the tournament in recent years, reaching the third round in 2024 and demonstrating the baseline durability required for extended clay-court runs. Andreeva, by contrast, remains less tested at the Grand Slam level, though her youth and technical adaptability have allowed her to compete effectively against established players. The 54 per cent consensus reflects Kostyuk's experience advantage and established clay credentials, yet Andreeva's upward trajectory and relative freshness in high-pressure matches suggest potential value on the underdog at current odds.

Traders should monitor fitness reports and practice-court form in the week preceding the match, particularly any indication of surface-specific preparation or injury concerns. Court assignment and scheduling—whether the match receives a prime-time slot or an early-round court—can influence momentum and crowd support. Recent tournament results from both players in the fortnight before Roland Garros will signal confidence levels and physical condition heading into the encounter.

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 Who Will Win, 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 Who Will Win, 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 Who Will Win?

Zero. Who Will Win 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, Who Will Win triggers a quick verification flow that finishes in minutes.