Mirra Andreeva, the fifth seed and higher-ranked player at 19 years old, enters the Cincinnati Open third-round matchup on hard courts with strong recent momentum after defeating Marta Kostyuk in the 2026 Roland Garros semifinals. Kostyuk, the 10th seed, brings a physical, aggressive baseline game and leads the head-to-head overall, including a Madrid final win earlier in the season on clay. Both players have shown consistent form on hard courts this year, with Kostyuk advancing past Sofia Kenin in the prior round. The surface transition from clay and Andreeva’s all-court maturity versus Kostyuk’s power will likely shape the outcome in this closely contested encounter.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMarta Kostyuk – Mirra Andreeva
Moneyline
$551 Vol.
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.
Market Opened: Aug 18, 2026, 6:14 PM ET
Resolution Source
https://www.wtatennis.com/scoresResolver
0x65070BE91...Marta Kostyuk – Mirra Andreeva
Moneyline
$551 Vol.
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.
Market Opened: Aug 18, 2026, 6:14 PM ET
Resolution Source
https://www.wtatennis.com/scoresResolver
0x65070BE91...Mirra Andreeva, the fifth seed and higher-ranked player at 19 years old, enters the Cincinnati Open third-round matchup on hard courts with strong recent momentum after defeating Marta Kostyuk in the 2026 Roland Garros semifinals. Kostyuk, the 10th seed, brings a physical, aggressive baseline game and leads the head-to-head overall, including a Madrid final win earlier in the season on clay. Both players have shown consistent form on hard courts this year, with Kostyuk advancing past Sofia Kenin in the prior round. The surface transition from clay and Andreeva’s all-court maturity versus Kostyuk’s power will likely shape the outcome in this closely contested encounter.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedBeware of external links.
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