The 2025 Cincinnati Open is a combined men's and women's tennis tournament currently played on outdoor hardcourts from 7 to 18 August 2025. It is classified as a Masters 1000 tournament on the 2025 ATP Tour and a WTA 1000 tournament on the 2025 WTA Tour. The tournament is the 124th men's edition and the 97th women's edition of the Cincinnati Open. It takes place at the renovated Lindner Family Tennis Center in Mason, Ohio, a northern suburb of Cincinnati, in the United States. The singles draws for both events were increased from 56 to 96 players this year.