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US Open WTA: Naomi Osaka vs Elise Mertens
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What is the result of Naomi Osaka vs Elise Mertens?

Volume:
$824,437

US Open WTA: Naomi Osaka vs Elise Mertens

 - Polymarket

US Open WTA: Naomi Osaka vs Elise Mertens - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 6, 2026

Closed: Sep 5, 10:26 PM EST

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Polymarket

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

US Open WTA: Naomi Osaka vs Elise Mertens

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$802,159
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
$4,156
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Match O/U 21.5

100%
Yes 100¢No 0¢
4¢
N/A
$720
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Total Sets: O/U 2.5

100%
65%
Yes 100¢No 0¢
0.1¢
N/A
$492
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Set 1 Winner

100%
33%
Yes 100¢No 0¢
0.1¢
N/A
$85
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Match O/U 22.5

100%
1%
Yes 100¢No 0¢
19¢
N/A
$63
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Game Spread +/-4.5

0%
5%
Yes 0¢No 100¢
—
N/A
$16,114
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Set Handicap +/-1.5

0%
49%
Yes 0¢No 100¢
—
N/A
$392
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Set 2 Winner

0%
68%
Yes 0¢No 100¢
—
N/A
$256
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Set 1 O/U 8.5

100%
25%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Set 2 O/U 8.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Set 1 O/U 9.5

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

US Open WTA: Naomi Osaka vs Elise Mertens Set 2 O/U 9.5

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

US Open WTA: Naomi Osaka vs Elise Mertens Set 2 O/U 10.5

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

US Open WTA: Naomi Osaka vs Elise Mertens Match O/U 23.5

100%
36%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Naomi Osaka vs Elise Mertens Set 1 O/U 10.5

0%
28%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Intro

This market tracks whether Naomi Osaka will advance against Elise Mertens in their US Open WTA match, originally scheduled for September 4, 2026 at 11:00AM ET. Currently, Polymarket gives an 82.5% probability to Naomi Osaka winning the match. Resolution will be based on the official scores reported at https://www.wtatennis.com/scores. Keep an eye on the match itself, as the outcome will be determined by the result of the fixture on September 4, 2026.

Polymarket

This market refers to the tennis match between Naomi Osaka and Elise Mertens in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Elise Mertens. This market will resolve to 'Elise Mertens' if Elise Mertens advances against Naomi Osaka. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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 WTA Tour. A consensus of credible reporting may also be used.

Frequently asked questions

On Polymarket, the dashboard for the Osaka vs Mertens match tracks the current odds, price history, and 24-hour trading volume. Currently, the total volume for this market is $823,575, with $822,130 traded in the last 24 hours. This allows users to see how the perceived probability of different outcomes is changing in real-time, as reflected by the collective predictions of traders on Polymarket. The dashboard provides a visual representation of market sentiment leading up to the event.

Prediction market odds often reflect the wisdom of the crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and risk management, while this market aggregates the beliefs of many individual traders. Discrepancies can arise due to differing information, biases, or simply the dynamic nature of prediction markets, where odds adjust rapidly to new information. It’s common to see prediction markets move faster than sportsbook odds in response to significant news or developments related to the players or the match.

On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders believe an outcome is likely, the higher the price of its corresponding shares will climb. This creates a dynamic pricing system that reflects the collective intelligence of the crowd and adjusts as new information becomes available.

This market resolves around Sep 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Osaka vs Mertens match as reported by a widely recognized sports news source. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders will be able to view the resolution details and confirm the outcome on Polymarket following the match's completion.

Several factors could significantly influence this market. Any news regarding player injuries, changes in playing conditions, or even pre-match interviews revealing strategic insights could shift trader sentiment. Unexpected upsets in other matches involving these players, or broader tournament news, could also play a role. Furthermore, real-time updates during the match itself – such as a player struggling with their serve or displaying visible fatigue – could lead to rapid adjustments in the market price as traders react to the unfolding events.