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This market refers on the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 at 1:30AM ET.

This market will resolve to 'Siniakova' if Katerina Siniakova advances against Dayana Yastremska.

This market will resolve to 'Yastremska' if Dayana Yastremska advances against Katerina Siniakova.

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 Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 2026.
This market will resolve to “Siniakova” if Katerina Siniakova wins the first set. It will resolve to “Yastremska” if Dayana Yastremska 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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Set 1 Winner

This market refers to the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Total Sets: O/U 2.5

This market refers to the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Match O/U 22.5

This market refers to the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Match O/U 23.5

This market refers to the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Set 1 O/U 8.5

This market refers to the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Set 1 O/U 9.5

This market refers to the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Set 1 O/U 10.5

This market refers to the tennis match between Dayana Yastremska and Katerina Siniakova in the Adelaide International, scheduled for January 13 2026.
This market will resolve to "Yastremska" if Dayana Yastremska wins by 2 or more sets than Katerina Siniakova, based on the final completed score. Otherwise, it will resolve to "Siniakova."
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.

Adelaide International: Katerina Siniakova vs Dayana Yastremska Set Handicap +/-1.5

This market refers to the tennis match between Katerina Siniakova and Dayana Yastremska in the Adelaide International, scheduled for January 13 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.

Moneyline
$54.2k Vol.

Set Handicap
$31 Vol.

Total Sets
$1.1k Vol.

Total Games
$241 Vol.

1st Set

1st Set Winner
$88 Vol.

1st Set Total Games
$2.3k Vol.

WTA

Dayana Yastremska vs. Katerina Siniakova Odds & Predictions (Jan. 13, 2026) | Polymarket

Moneyline$54.2k Vol.

Set Handicap$31 Vol.

Total Sets$1.1k Vol.

Total Games$241 Vol.21.522.523.5chevron left