TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
Wimbledon ATP: Jannik Sinner vs Jenson Brooksby
kalshi
polymarket

Who will win Sinner vs Brooksby at Wimbledon?

Volume:
$717,283

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby

 - Polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 3, 2026

Closed: Jul 10, 6:00 AM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$602,977
N/A
N/A
N/A
Settled
Yes
kalshi

Jannik Sinner

View
100%
Yes 100¢No 0¢
100¢
N/A
$37,579
N/A
N/A
$13,621
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 2 Winner

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$24,372
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 1 Winner

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$17,495
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set Handicap +/-2.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$15,170
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set Handicap +/-1.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$2,744
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 3 Winner

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$1,681
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 1 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$315
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$64
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 1 O/U 9.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$36
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 2 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$34
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 4 Winner

View
50%
Yes 50¢No 50¢
1¢
N/A
$699
N/A
N/A
N/A
Settled
No
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 4 O/U 8.5

View
50%
Yes 50¢No 64¢
15¢
N/A
$4
N/A
N/A
N/A
Settled
No
kalshi

Jenson Brooksby

View
0%
Yes 0¢No 100¢
100¢
N/A
$9,652
N/A
N/A
$8,832
Settled
No
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Total Sets: O/U 3.5

View
0%
Yes 0¢No 100¢
—
N/A
$3,569
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Match O/U 36.5

View
0%
Yes 0¢No 100¢
—
N/A
$670
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Total Sets: O/U 4.5

View
0%
Yes 0¢No 100¢
—
N/A
$199
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 1 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$22
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 4 O/U 9.5

View
50%
Yes 50¢No 51¢
51¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 4 O/U 10.5

View
50%
Yes 50¢No 51¢
2¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Match O/U 38.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Match O/U 40.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 2 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 2 O/U 9.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon ATP: Jannik Sinner vs Jenson Brooksby Set 3 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 27

Description

This event group covers a professional tennis match between Jannik Sinner and Jenson Brooksby scheduled for the 2026 Wimbledon ATP Men's Singles Round of 32 on July 3, 2026. The group contains three related markets: one tracking whether Set 2 is completed (Kalshi), one determining match winner/advancement (Polymarket), and one confirming full match completion (Polymarket).

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: The three markets measure different outcomes: Kalshi tracks Set 2 completion as a binary event, while Polymarket's Winner market determines match advancement and Polymarket's Completion market verifies full match completion through normal play. These are logically independent events with different resolution triggers.Hero tip: Treat these as three separate bets. Kalshi's Set 2 market depends on the match reaching Set 2; if the match ends in straight sets before Set 2, it cannot resolve to Yes. Polymarket's Winner market resolves based on who advances (including via retirement/default), while Completion requires all sets played normally. Use ATP Tour official statistics as primary source for all three.

Critical divergence points:

  • Kalshi: Binary Set 2 outcome market. Resolves Yes if either Sinner or Brooksby wins Set 2. Does not address match winner or completion status. Quote: 'If Jannik Sinner wins set 2... then the market resolves to Yes. If Jenson Brooksby wins set 2... then the market resolves to Yes.'
  • Polymarket (Winner): Match advancement market. Resolves to the player who advances; 50-50 on walkover, cancellation, or 7+ day delay. Includes retirement/default advancement. Quote: 'This market will resolve to the player who advances... If the match ends in a walkover... this market will resolve to 50-50.'
  • Polymarket (Completion): Match completion market. Resolves Yes only if all sets/games completed through normal play; No for any incompletion, forfeit, walkover, cancellation, or 7+ day delay. Quote: 'This market will resolve to Yes if all games and sets... are played to completion through normal play. Otherwise... it will resolve to No. If a forfeit of any kind occurs... this market will resolve No.'
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

This market refers to the tennis match between Jannik Sinner and Jenson Brooksby in the Wimbledon ATP, originally scheduled for July 3, 2026 at 6:00AM ET. This market will resolve to 'Jannik Sinner' if Jannik Sinner advances against Jenson Brooksby. This market will resolve to 'Jenson Brooksby' if Jenson Brooksby advances against Jannik Sinner. 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.

Kalshi

The market resolves Yes if either Jannik Sinner or Jenson Brooksby wins set 2 of their 2026 Wimbledon Men's Singles Round of 32 match. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to fair price. If the match is postponed or delayed, the market remains open until the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are resolved to fair market price at the Exchange's discretion.

Frequently asked questions

Prediction markets and traditional sportsbooks price tennis matches through different mechanisms. Sportsbooks employ oddsmakers and adjust lines based on liability management and sharp action, while prediction markets rely on peer-to-peer trading and collective price discovery. This market reflects trader sentiment aggregated across multiple platforms, which often diverges from sportsbook spreads due to different participant pools, risk appetites, and information sets. Comparing this market's odds to major sportsbook lines can reveal whether professional bettors and retail traders view the matchup differently, potentially signaling value.

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. Each platform operates under distinct rule sets, liquidity profiles, and user demographics. Kalshi's binary contract structure and regulatory framework may attract different traders than Polymarket's share-based model. Liquidity concentration, order-book depth, and the timing of large trades can cause temporary price gaps. Additionally, platform-specific fees, withdrawal policies, and settlement speed influence how aggressively traders position themselves. These structural differences mean identical match outcomes can trade at different implied probabilities across venues until arbitrageurs exploit the gap.

Key catalysts include recent form and head-to-head records, player injury reports or withdrawal announcements, court surface conditions at Wimbledon, and betting action from professional syndicates. Odds typically shift sharply following official lineup confirmations, warm-up tournament results, or credible injury updates. Social media sentiment and expert commentary can also drive retail trader positioning. As the match date approaches, late-breaking news—such as illness, equipment issues, or unexpected roster changes—often triggers rapid repricing. Monitoring sports news and platform order flow helps traders anticipate and react to these moves.