Will Base launch a token by ___ ? Largest Company end of July? Russia nuclear test by...? Xi Jinping out before 2027? Which party will gain most seats in Russian Parliamentary Election? How many different countries will Israel strike in 2026? NBA: 2027 Champion US obtains Iranian enriched uranium by...? NBA: LeBron James Next Team Which party will win the House in 2026? Israel x Hezbollah permanent peace deal by...? Largest IPO by market cap in 2026? Brazil Presidential Election First Round: 2nd Place Israel x Hamas ceasefire cancelled by...? Where will Maxx Crosby play in 2026? Los Angeles Mayoral Election 2026 Women’s US Open Winner (Tennis) What will the Fed rate be at the end of 2026? Will Trump acquire Greenland before 2027? Israel x Iran ceasefire continues through...?
Will Base launch a token by ___ ? Largest Company end of July? Russia nuclear test by...? Xi Jinping out before 2027? Which party will gain most seats in Russian Parliamentary Election? How many different countries will Israel strike in 2026? NBA: 2027 Champion US obtains Iranian enriched uranium by...? NBA: LeBron James Next Team Which party will win the House in 2026? Israel x Hezbollah permanent peace deal by...? Largest IPO by market cap in 2026? Brazil Presidential Election First Round: 2nd Place Israel x Hamas ceasefire cancelled by...? Where will Maxx Crosby play in 2026? Los Angeles Mayoral Election 2026 Women’s US Open Winner (Tennis) What will the Fed rate be at the end of 2026? Will Trump acquire Greenland before 2027? Israel x Iran ceasefire continues through...?
Open Sports Polymarket

2026 Men’s US Open Winner (Tennis)

Top outcomes

Jannik Sinner 52%
Carlos Alcaraz 22%
Alexander Zverev 7%
Novak Djokovic 4%

The 2026 U.S. Open tennis tournament is scheduled for August 23 - September 13, 2026. This market will resolve to the player that wins the 2026 U.S. Open Men’s Singles Tournament. If at any point it becomes impossible for a listed player to win the 2026 U.S. Open Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to “No”. If the 2026 U.S. Open Men’s Singles Tournament is cancelled, postponed after October 31, 2026, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution source will be official information from the U.S. Open (https://www.usopen.org/index.html); however, a consensus of credible reporting may also be used.

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$4.5M Vol. Closes Sep 13, 2026

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Top outcomes by win probability — price history from Polymarket, updates when you refresh.

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$4.5m Vol.

All outcomes

Pick Yes or No on any outcome, then explain your pick below. Reputation-only — no money or trading.

$4.5M Vol.

Jannik Sinner

52% market probability

52%

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0 / 2,000

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Carlos Alcaraz

22% market probability

22%

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0 / 2,000

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Alexander Zverev

7% market probability

7%

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0 / 2,000

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Novak Djokovic

4% market probability

4%

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0 / 2,000

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Daniil Medvedev

1% market probability

1%

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0 / 2,000

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Ben Shelton

1% market probability

1%

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0 / 2,000

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Taylor Fritz

1% market probability

1%

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0 / 2,000

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Felix Auger Aliassime

1% market probability

1%

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0 / 2,000

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Jack Draper

1% market probability

1%

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0 / 2,000

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Jakub Mensik

1% market probability

1%

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0 / 2,000

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Joao Fonseca

1% market probability

1%

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0 / 2,000

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Arthur Fils

1% market probability

1%

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0 / 2,000

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Andrey Rublev

1% market probability

1%

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0 / 2,000

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Jiri Lehecka

0% market probability

0%

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0 / 2,000

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Flavio Cobolli

0% market probability

0%

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0 / 2,000

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Frances Tiafoe

0% market probability

0%

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0 / 2,000

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Lorenzo Musetti

0% market probability

0%

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0 / 2,000

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Alexander Bublik

0% market probability

0%

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0 / 2,000

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Matteo Berrettini

0% market probability

0%

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0 / 2,000

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Holger Rune

0% market probability

0%

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0 / 2,000

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Hubert Hurkacz

0% market probability

0%

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0 / 2,000

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Grigor Dimitrov

0% market probability

0%

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0 / 2,000

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Public forecast history

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