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
Tour
All
Sports
Cassis: Mark Lajal vs Daniel Masur
polymarket

Who will win Cassis: Mark Lajal vs Daniel Masur?

Volume:
$348,736

Cassis: Mark Lajal vs Daniel Masur

 - Polymarket

Cassis: Mark Lajal vs Daniel Masur - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 12, 2026

Closed: Sep 12, 8:03 AM EST

polymarket

Polymarket

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

Cassis: Mark Lajal vs Daniel Masur

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$345,811
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Set Handicap +/-1.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$351
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
$330
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Match O/U 22.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$194
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Match O/U 23.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$14
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Game Spread +/-4.5

0%
Yes 0¢No 100¢
—
N/A
$2,037
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Set 1 Winner

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

Cassis: Mark Lajal vs Daniel Masur Set 2 Winner

100%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Total Sets: O/U 2.5

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

Cassis: Mark Lajal vs Daniel Masur Set 1 O/U 8.5

100%
Yes 100¢No 0¢
1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Set 1 O/U 9.5

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

Cassis: Mark Lajal vs Daniel Masur Set 1 O/U 10.5

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

Cassis: Mark Lajal vs Daniel Masur Set 2 O/U 8.5

100%
Yes 100¢No 0¢
1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cassis: Mark Lajal vs Daniel Masur Set 2 O/U 9.5

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

Cassis: Mark Lajal vs Daniel Masur Set 2 O/U 10.5

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

Cassis: Mark Lajal vs Daniel Masur Match O/U 21.5

100%
Yes 100¢No 0¢
1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Intro

This market tracks whether the tennis match between Mark Lajal and Daniel Masur in Cassis will be completed. Currently, Polymarket gives a 100.0% probability to “Cassis: Completed Match: Mark Lajal vs Daniel Masur.” Resolution will be based on the official scores reported at https://www.atptour.com/en/scores/current. Keep an eye on the match schedule, as the market will resolve following the completion – or definitive cancellation – of the match originally slated for September 12, 2026 at 5:30AM ET, with final resolution expected by September 19, 2026.

Polymarket

This market refers to the tennis match between Mark Lajal and Daniel Masur in the Cassis, originally scheduled for September 12, 2026 at 5:30AM ET. This market will resolve to 'Mark Lajal' if Mark Lajal advances against Daniel Masur. This market will resolve to 'Daniel Masur' if Daniel Masur advances against Mark Lajal. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 2026, 11:59 PM ET (14 days after the scheduled start), 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.

Frequently asked questions

On Polymarket, the dashboard for the Lajal vs Masur match tracks the current odds, price history, and 24-hour trading volume. Currently, the total volume is $345,715 with $345,715 traded in the last day. The dashboard provides a visual representation of how traders are pricing the probability of different outcomes in this contest. Users can observe how the market’s sentiment shifts over time, reflecting new information or changes in perceived advantage for either player. This allows for a dynamic assessment of expectations surrounding the match.

Typically, prediction market odds offer a distinct perspective compared to traditional sportsbooks. Sportsbooks incorporate a profit margin into their odds, while this market aims to reflect the collective wisdom of traders, potentially providing a more accurate probability assessment. However, discrepancies can arise due to differing information, biases, or market liquidity. It's common to see initial differences that narrow as the event approaches and more information becomes available. Analyzing these differences can reveal insights into public perception versus informed trading activity.

This market resolves around Sep 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Cassis match between Mark Lajal and Daniel Masur. The platform will rely on widely available and trusted sources to determine the winner, ensuring a transparent and objective assessment. Traders should monitor official announcements to stay informed about the event’s progress and the eventual resolution of this market.

Several factors could influence the trading activity in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift expectations. Unexpected announcements about team strategies or potential advantages could also drive price movements. Furthermore, large trading volume from informed participants or shifts in broader tennis market sentiment could impact the odds. Monitoring these signals and staying updated on relevant news will be crucial for understanding potential shifts in this market before it resolves.