Cincinnati Open: Marta Kostyuk vs Sofia Kenin

WTA
Sofia Kenin635
Marta Kostyuk467
Final
Game context

Marta Kostyuk enters the Cincinnati Open second-round matchup as the No. 10 seed and world No. 11 with an elite 2026 hard-court record and recent strong results in Toronto, including victories over Madison Keys. Sofia Kenin, a former Grand Slam champion now ranked outside the top 100 and receiving a wild card, carries a 5-18 singles mark this season and limited recent momentum on the surface. Their head-to-head favors Kenin 1-0, but that result predates Kostyuk’s current form. Kostyuk’s superior ranking, consistency, and serve-volley efficiency create a clear edge in this hard-court encounter, though Kenin’s experience in high-stakes matches offers limited upset potential if she capitalizes on early breaks. The match is scheduled for August 16 on hard courts.

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Moneyline
$732.6K Vol.

This market refers to the tennis match between Marta Kostyuk and Sofia Kenin in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET.

This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Sofia Kenin.

This market will resolve to 'Sofia Kenin' if Sofia Kenin 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.

Resolution Source: www.wtatennis.com

Odds & FAQ

What are the current odds for Cincinnati Open: Marta Kostyuk vs Sofia Kenin?
Completed Match dominates the field at 99%; the nearest challenger, Cincinnati Open: Marta Kostyuk vs Sofia Kenin Total Sets: O/U 2.5, trades at just 99%. The order book treats this as nearly decided.
What do traders predict for Cincinnati Open: Marta Kostyuk vs Sofia Kenin?
With 99% implied for Completed Match, the market has largely made up its mind. Still a forecast, not a result: prices react instantly if the story changes.
When does the Cincinnati Open: Marta Kostyuk vs Sofia Kenin market resolve?
Mark 23 Aug 2026 (7 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 Sofia Kenin?
$7.4M 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 Sofia Kenin 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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