Roland Garros ATP: Stan Wawrinka vs Jesper de Jong

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Market context

Stan Wawrinka, the 39-year-old Swiss three-time Grand Slam champion, faces Jesper de Jong at Roland Garros in May 2026. The match is scheduled for 25 May at 05:00 ET, with settlement closing 2 June. De Jong, a Dutch player ranked outside the top 100, represents a significant underdog against Wawrinka's pedigree, yet the 51% crowd probability assigned to Wawrinka suggests meaningful uncertainty about his fitness and form at an advanced age.

Wawrinka's recent trajectory provides the interpretive frame. He has competed sporadically since 2023 due to foot and back injuries, with limited clay-court preparation in 2025–26. His last Roland Garros appearance in 2023 ended in the first round. De Jong, conversely, has shown steady improvement on the ATP Challenger circuit and may have secured direct entry or qualifying passage through recent results. Historical precedent suggests players over 38 at Grand Slams rarely advance unless they've maintained consistent tournament play; Wawrinka's layoffs work against the implied 51% probability.

Traders should monitor official Roland Garros draw confirmations and ATP injury bulletins through late May. Wawrinka's practice-court reports and any late withdrawals from the tournament will shift liquidity. Deposit and withdrawal flows via Klarna and SEPA rails typically spike 48–72 hours before major matches; early-week funding friction may suppress book depth, making larger positions harder to execute at fair odds. De Jong's recent ranking movements and qualifying-round results, if published by the ATP, will provide concrete data to rebalance against crowd sentiment.

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.

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 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.