Roland Garros ATP: Zachary Svajda vs Adam Walton

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Market context

Svajda and Walton are scheduled to meet in the opening round of Roland Garros on 28 May 2026, with the 81% crowd probability favouring the American. Recent movement in the market reflects Svajda's improved clay-court form over the past fortnight, including a run to the quarter-finals of a Challenger event in Europe. Walton, ranked outside the top 150, has limited recent tournament activity and no notable results on clay this season, which explains the substantial gap in implied odds.

Historical precedent suggests opening-round matches between players of significantly different ranking and form typically resolve toward the favoured player at these odds. Svajda's trajectory—steady ranking gains and consistent Challenger-level performances—aligns with the profile of players who convert first-round opportunities at majors. However, Walton's qualification path and draw placement remain relevant; if he enters via qualifying rather than direct acceptance, his preparation window and match sharpness could narrow the gap.

The settlement window closes 4 June at 09:00 GMT, allowing seven days beyond the scheduled date for completion. Watch for official draw confirmation and any late withdrawals in the week before the tournament. Svajda's injury status and any last-minute ranking adjustments affecting seeding could shift the match's context, though neither player is seeded. Weather delays at Roland Garros occasionally compress schedules; if the match is pushed significantly, fatigue and preparation disruption could favour the lower-ranked player more than current odds reflect.

Methodology

We track Roland Garros ATP: Zachary Svajda vs Adam Walton on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

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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 Prediction Today?

Zero. Prediction Today routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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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.