TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 2, 11:10 AM EST
Kalshi
This market tracks whether Zachary Svajda will defeat Kamil Majchrzak in their 2026 Wimbledon Men's Singles Round of 64 match. Aggregated across Polymarket and Kalshi, the consensus probability stands at 100.0% for match completion after a ball is played. Resolution is determined by the official match outcome as recorded by Wimbledon. Watch for the scheduled match on July 1, 2026, as the actual event date, with final resolution occurring by July 8, 2026, the end of the betting period for this market.
This market refers to the tennis match between Zachary Svajda and Kamil Majchrzak in the Wimbledon ATP, originally scheduled for July 1, 2026 at 6:00AM ET. This market will resolve to 'Zachary Svajda' if Zachary Svajda advances against Kamil Majchrzak. This market will resolve to 'Kamil Majchrzak' if Kamil Majchrzak advances against Zachary Svajda. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Resolution requires that a ball be played in the match, establishing that competition has officially commenced. If the match does not occur before play begins—due to injury, walkover, forfeiture, or other cancellation—the market resolves to a fair price. If the match is postponed or delayed, the market remains open and closes only after the rescheduled match concludes, provided the rescheduling occurs within two weeks. The winner is determined by standard professional tennis rules governing the 2026 Wimbledon Men's Singles Round of 64.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Platform differences in user base, liquidity depth, fee structures, and trading mechanics can create temporary price gaps. Kalshi and Polymarket attract different trader demographics and may have varying order-book depths at any given moment. Arbitrage traders typically exploit these spreads, but friction costs and platform-specific rules mean small divergences often persist. Monitoring both platforms reveals which side of the market is more confident and can signal shifting sentiment as new information emerges.
Player injury reports, recent form and head-to-head records, court conditions, and draw analysis are key catalysts that shift trader positioning. News of illness, withdrawal, or lineup changes can trigger sharp repricing. Pre-match commentary from analysts and betting syndicates often moves odds as consensus hardens. Weather forecasts affecting grass-court play and late-breaking odds from other sportsbooks can also influence this market. Traders monitor social media, official tour updates, and player statements for any edge before the opening serve.