This market refers to the tennis match between Marta Kostyuk and Mirra Andreeva in the Cincinnati Open, originally scheduled for August 19, 2026 at 11:00AM ET.
This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Mirra Andreeva.
This market will resolve to 'Mirra Andreeva' if Mirra Andreeva advances against Marta Kostyuk.
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.
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva
WTA
Mirra Andreeva
0-0
–
vs
19/08 17:00
–
Marta Kostyuk
0-0
Game context
Mirra Andreeva enters the Cincinnati Open round of 16 matchup as the higher-ranked player (No. 6) and recent French Open champion, carrying strong 2026 hard-court results after efficient early-round wins that dropped minimal games. Marta Kostyuk (No. 11) arrives with momentum from back-to-back three-set victories over Sofia Kenin and Sloane Stephens, building on her standout clay season that included Madrid and Rouen titles plus a Roland Garros semifinal appearance. Their head-to-head features contrasting surfaces and recent outcomes, with both competitors showing high win rates this year on outdoor hard courts. Factors such as rest, serving consistency, and baseline rallies under Cincinnati conditions could influence the outcome in this WTA 1000 encounter.
Moneyline
$26.7K Vol.Match Completed
Set Total
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Total Sets: O/U 2.5
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 2 O/U 8.5
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 2 O/U 9.5
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 2 O/U 10.5
Total Games
$9 Vol.Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Match O/U 21.5
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Match O/U 22.5
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Match O/U 23.5
1st Set Total
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 1 O/U 8.5
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 1 O/U 9.5
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 1 O/U 10.5
1st Set Winner
Set Winner
Set Handicap
$1 Vol. Resolution Source: www.wtatennis.com
Odds & FAQ
What are the current odds for Cincinnati Open: Marta Kostyuk vs Mirra Andreeva?
Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 2 O/U 8.5 leads the field at 75%, with Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 1 O/U 8.5 next at 71%. A solid favorite - though every trade can reshuffle the board.
What do traders predict for Cincinnati Open: Marta Kostyuk vs Mirra Andreeva?
The market makes Cincinnati Open: Marta Kostyuk vs Mirra Andreeva Set 2 O/U 8.5 the favorite at 75%. Implied probabilities come from real positions, and they move as traders digest new information.
When does the Cincinnati Open: Marta Kostyuk vs Mirra Andreeva market resolve?
Mark 26 Aug 2026 (8 days left): that's when this market is due to resolve, following Polymarket's published criteria once the result is verified.
How much money is trading on Cincinnati Open: Marta Kostyuk vs Mirra Andreeva?
$3.2M in total volume has traded here. Deeper markets like this tend to price events more sharply.
How can I trade Cincinnati Open: Marta Kostyuk vs Mirra Andreeva on Polymarket?
Follow this page for live prices; trading happens on Polymarket itself. Start small - implied odds move, and so can your position's value.
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