Use the internal polymarket geolocation service.

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Improved notification preferences and types.

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authenticated_book_ws

Improved in-game view for sports markets.

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Enable updates from the sports websocket.

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This market refers on the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 5 at 7:00PM ET.

This market will resolve to 'Cirstea' if Sorana Cirstea advances against Jelena Ostapenko.

This market will resolve to 'Ostapenko' if Jelena Ostapenko advances against Sorana Cirstea.

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 WTA Tour. A consensus of credible reporting may also be used.

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Cirstea" if Sorana Cirstea wins by 2 or more sets than Jelena Ostapenko, based on the final completed score. Otherwise, it will resolve to "Ostapenko."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA results.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Set Handicap +/-1.5

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA results.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Set 1 O/U 8.5

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA statistics.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Total Sets: O/U 2.5

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to “Cirstea” if Sorana Cirstea wins the first set. It will resolve to “Ostapenko” if Jelena Ostapenko wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official WTA match statistics.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Set 1 Winner

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA statistics.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Match O/U 21.5

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA statistics.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Match O/U 22.5

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA statistics.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Match O/U 23.5

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA results.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko Set 1 O/U 9.5

This market refers to the tennis match between Sorana Cirstea and Jelena Ostapenko in the Brisbane International, scheduled for January 6 2026.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA results.

Moneyline
$30.2k Vol.

Set Handicap
$60 Vol.

Total Sets
$141 Vol.

Total Games
$355 Vol.

1st Set

1st Set Winner
$1.4k Vol.

1st Set Total Games
$5.0k Vol.

Brisbane International: Sorana Cirstea vs Jelena Ostapenko

Moneyline
$30.2k Vol.

Set Handicap
$60 Vol.

Total Sets
$141 Vol.

Total Games
$355 Vol.

1st Set

1st Set Winner
$1.4k Vol.

1st Set Total Games
$5.0k Vol.

Jelena Ostapenko vs. Sorana Cirstea Betting Odds & Predictions (Jan. 6, 2026) | Polymarket

Moneyline$30.2k Vol.

Set Handicap$60 Vol.

Total Sets$141 Vol.

Total Games$355 Vol.21.522.523.5chevron left

1st Set

1st Set Winner$1.4k Vol.

1st Set Total Games$5.0k Vol.8.59.510.5chevron left

Brisbane International: Sorana Cirstea vs Jelena Ostapenko

Moneyline$30.2k Vol.

Set Handicap$60 Vol.

Total Sets$141 Vol.

Total Games$355 Vol.21.522.523.5chevron left

1st Set

1st Set Winner$1.4k Vol.

1st Set Total Games$5.0k Vol.8.59.510.5chevron left

Moneyline
$30.2k Vol.

Set Handicap
$60 Vol.

Total Sets
$141 Vol.

Total Games
$355 Vol.

1st Set Winner
$1.4k Vol.

1st Set Total Games
$5.0k Vol.

Moneyline
$30.2k Vol.

Set Handicap
$60 Vol.

Total Sets
$141 Vol.

Total Games
$355 Vol.

1st Set Winner
$1.4k Vol.

1st Set Total Games
$5.0k Vol.