Roland Garros WTA: Hanyu Guo vs McCartney Kessler

Platform comparison

Active sub-markets

Market context

Hanyu Guo and McCartney Kessler are scheduled to meet in the opening round of Roland Garros women's singles on 25 May 2026. The 0% implied probability reflects the market's current state rather than any formal withdrawal or injury announcement; neither player has publicly withdrawn as of the settlement window opening. The match timing—5:00 AM ET—places it in the early morning slot typical for Roland Garros scheduling, which occasionally draws lower liquidity in Western markets during initial trading.

Guo, a Chinese player ranked in the 80s, has competed sporadically on the WTA tour with limited clay-court pedigree. Kessler, an American qualifier or lower-ranked entrant, similarly lacks a dominant record on the professional circuit. First-round matchups between players of comparable ranking and experience typically settle near 50-50 when both have completed their pre-tournament preparation, though the 0% reading suggests minimal trading activity rather than a decisive market view. Historical patterns show that early-round Roland Garros matches between unseeded or lower-ranked opponents often see probability shifts only after official draw confirmation and injury reports surface within 48 hours of play.

Traders should monitor the official Roland Garros draw publication and any injury bulletins from either player's camp through late May. Weather delays at Roland Garros occasionally push matches beyond their scheduled slot; the settlement terms allow for a 50-50 resolution if the match is postponed beyond seven days without completion. Confirmation of both players' participation in the tournament proper—rather than withdrawal or late substitution—remains the primary catalyst for meaningful probability movement.

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

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 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.

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, PolyGram triggers a quick verification flow that finishes in minutes.