Cincinnati Open: Marta Kostyuk vs Mirra AndreevaCincinnati Open: Marta Kostyuk vs Mirra Andreeva Match O/U 21.5

ResolvedOutcome: YesVol$2KResolvedas of

Odds now

This market has resolved Yes. Final market pricing put Under at 100%, as of .

Under100¢
Over0¢

24has of

What moved the odds?

1 AI-matched news signals on this market, newest first. Entry price is the called side when the news hit; the signed return marks it against the final price as of .

UnderUkrainian Media98%match100¢
Kostyuk won a strong-willed victory over Andreeva and reached the quarterfinals of the tournament in Cincinnati At the start of the first set, Marta lost her serve and eventually lost the game to her opponent — 4:6. However, in the second set, the Ukrainian confidently defeated Andreeva with a score of 6:0. In the decisive game, Kostyuk proved to be stronger and reached the quarterfinals of the tournament — 6:2. — Congratulations to the winner!

Where does the news lean?

1Under0Over0neutraltrailing 24h

Average match confidence across the listed signals: 98%.

How did this market resolve?

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 "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.

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