Use the internal polymarket geolocation service.

poly_geo

Improved notification preferences and types.

notifications_v2

funkit_deposit

funkit_withdraw

authenticated_book_ws

Improved in-game view for sports markets.

mobile_sports_overlay_v2

async_order_submission

Enable updates from the sports websocket.

sports_websocket

This is a polymarket on the tennis match between Elena Rybakina and Marketa Vondrousova in the 2025 US Open women's singles round of 16, scheduled for August 31, 2025.

This market will resolve to 'Rybakina' if Elena Rybakina advances against Marketa Vondrousova.

This market will resolve to 'Vondrousova' if Marketa Vondrousova advances against Elena Rybakina.

If the match is canceled (not played at all), ends in a tie, or is delayed beyond September 7, 2025 without a winner determined, this market will resolve to 50-50.

If the match ends in a walkover (one player withdraws before the start and the other advances automatically), this market will resolve in favor of the player who officially advances to the next round.

The primary resolution source will be official information from the US Open. A consensus of credible reporting may also be used.

US Open: Elena Rybakina vs Marketa Vondrousova

This market refers to the exhibition tennis match between Aryna Sabalenka and Nick Kyrgios, scheduled for December 28 in Dubai.

This market will resolve to 'Sabalenka' if Aryna Sabalenka defeats Nick Kyrgios.

This market will resolve to 'Kyrgios' if Nick Kyrgios defeats Aryna Sabalenka.

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 wins due to the opponent's retirement, default, or disqualification, this market will resolve to the player who is declared the winner.

The primary resolution source will be official information from event organizers or credible sports media reporting on the exhibition match. A consensus of credible reporting may also be used.

Note: Special rules apply to this exhibition match, including the use of only one serve per point and a reduced court size on Sabalenka’s side. This market will resolve according to the winner as determined under the match’s official rules.

Battle of the Sexes: Aryna Sabalenka vs Nick Kyrgios

This polymarket will resolve to the team that wins the 2025 Rolex Paris Masters Men’s Doubles Tournament.

The market will resolve to “Yes” if the listed pair wins the 2025 Rolex Paris Masters Men’s Doubles Tournament. Otherwise, this market will resolve to “No”.

If at any point it becomes impossible for this pair to win the tournament per the official rules of the 2025 Rolex Paris Masters, this market will resolve to “No”.

The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Will Harri Heliovaara and Henry Patten win the 2025 Rolex Paris Masters Men’s Doubles Tournament

This market will resolve according to the team that wins the 2026 NCAA Women’s Basketball Tournament.

If it becomes impossible for a team to win the 2026 NCAA Women’s Basketball Tournament according to the rules of the competition (i.e., the team is eliminated), the corresponding market will immediately resolve to “No.”

If for any reason no winner is declared by December 31, 2026, 11:59 PM ET, this market will resolve to “Other.”

The resolution source for this market will be information from the NCAA.

Will South Carolina (Women’s) win the 2025–2026 SEC Regular Season?

This is a market to predict which athlete will win the 2025 ESPYS award for Best Tennis Player.

If the listed player wins the 2025 ESPYS award for Best Tennis Player, this market will resolve to "Yes". Otherwise, it will resolve to "No".

If the 2025 ESPYS are cancelled or postponed past August 16, 2025, this market will resolve to "Other".

The primary resolution source for this market will be ESPN (https://www.espn.com/espys/); however, a consensus of credible reporting may also be used.

Will Coco Gauff win the 2025 ESPYS award for Best Tennis Player?

This polymarket will resolve according to the player who wins the 2026 Masters Tournament.

If this player is eliminated from contention for The Masters based on the official rules of the tournament, the relevant market will resolve to "No".

In the event of a tie, this market will resolve according to the official winner as determined by The Masters official tournament rules.

If no winner is announced by December 31, 2026, this market will resolve to "Other".

The primary resolution sources will be the official results published by the PGA TOUR website and The Masters website. A consensus of credible reporting may also be used.

Will Matt Fitzpatrick win the 2026 Masters tournament?

This market will resolve according to the team that wins the 2026 NCAA Men’s Basketball Tournament.

If it is impossible for a team to win the 2026 NCAA Men’s Basketball Tournament according to the rules of the competition (i.e. they are eliminated) , the corresponding market will immediately resolve to “No”.

If for any reason no winner is declared by December 31, 2026, 11:59 PM ET, this market will resolve to "Other".

The resolution source for this market will be information from the NCAA.

Will Michigan win the 2026 NCAA Tournament?

This market will resolve to "Akave Esports Black" if Akave Esports Black win against KRÜ Blaze in the named Valorant match.

This market will resolve to "KRÜ Blaze" if KRÜ Blaze win against Akave Esports Black in the Valorant match.

If the game is postponed, this market will remain open until the game has been completed.

If the game is canceled entirely, with no make-up game, this market will resolve 50-50.

The resolution source for this market will be official information from liquipedia: https://liquipedia.net/valorant/Main_Page

Valorant: Akave Esports Black vs KRÜ Blaze (BO5)

This market will resolve to the country whose candidate for Eurovision 2026 wins.

If at any point it is impossible for the listed candidate to win Eurovision 2026 based on the rules of the competition (i.e. they are eliminated), this market may immediately resolve to "No".

If no winner is announced by July 31, 2026, 11:59 PM ET, this market will resolve "Other". All ties will be broken according to EBU's official Eurovision rules.

The primary resolution source for this market will be official information from Eurovision (https://eurovision.tv/), including live footage of Eurovision 2026, however a consensus of credible reporting will suffice.

Will Israel win Eurovision 2026?

This market will resolve to the player who wins the 2025–2026 Speed Chess Championship, currently scheduled for October 13, 2025, to February 9, 2026, 11:59 PM ET.

If the listed player is eliminated from the championship under the tournament's official rules, this market will resolve to “No.”

The resolution source for this market will be official information from Chess.com, though a consensus of credible reporting may also be used in case of discrepancies.

If the winner is not announced by April 30, 2026, 11:59 PM ET, this market will resolve to “Other.”

Will Magnus Carlsen win the 2025–2026 Speed Chess Championship?

This market will resolve according to the winner of the Constructors’ Championship for the 2026 F1 season. 

This market will resolve as soon as the official results of the final scheduled race of the 2026 F1 season are known.

In the case of a tie between multiple teams, this market will resolve according to the tiebreak procedure used by F1 to determine the 2026 F1 Constructors’ champion.

If at any point it becomes impossible for a listed team to win the 2026 F1 Constructors’ Championship based on the rules of F1 (e.g., they are mathematically eliminated from contention), the corresponding market will resolve to “No.”

If the F1 season is permanently canceled or has not been completed by March 31, 2027, 11:59 PM ET, this market will resolve to “Other”.

The resolution source for this market will be information from F1.

US Open: Elena Rybakina vs Marketa Vondrousova

Market Context

US Open: Elena Rybakina vs Marketa Vondrousova

Rules

US Open: Elena Rybakina vs Marketa Vondrousova

Market Context

US Open: Elena Rybakina vs Marketa Vondrousova

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