Roland Garros WTA: Kimberly Birrell vs Jessica Pegula

Platform comparison

Active sub-markets

Market context

Jessica Pegula, the world number 6 and a three-time Grand Slam quarter-finalist, faces Australian qualifier Kimberly Birrell in the opening round of Roland Garros on 24 May 2026. Pegula has reached the French Open main draw in each of the past four years, whilst Birrell, ranked outside the top 200, has competed sporadically on the WTA tour since 2017 and typically relies on qualifying rounds for Grand Slam entry.

The 100% implied probability reflects the substantial gap in playing strength and recent form. Pegula has won 73% of her matches across 2025–2026, reaching multiple WTA finals and maintaining a top-10 ranking. Birrell's win rate over the same period sits below 40%, with limited tournament appearances and no titles at WTA level. First-round upsets at Roland Garros occur in roughly 5–8% of matches involving seeded players against qualifiers, according to historical ATP and WTA records. The probability assignment suggests traders are pricing in minimal chance of a Birrell upset or match cancellation.

Traders should monitor the official Roland Garros draw confirmation and any weather disruptions affecting the clay-court schedule in late May. Court assignments and scheduling changes occasionally shift match timings; the original 5:00 AM ET slot is typical for early-round play but subject to tournament logistics. Pegula's injury status in the weeks preceding the tournament represents the primary variable—any withdrawal or late substitution would alter the market substantially. The settlement window closes 31 May 2026, allowing a seven-day buffer for delayed matches.

Methodology

This page tracks Roland Garros WTA: Kimberly Birrell vs Jessica Pegula across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Trump Prediction routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Where can I trade this market with the lowest fees?

On Trump Prediction, 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?

Trump Prediction 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Trump Prediction triggers a quick verification flow that finishes in minutes.