Cincinnati Open

Cincinnati Open
Tournament information
Founded1899 (1899)
LocationMason, Ohio
United States
VenueLindner Family Tennis Center (1979–current)
SurfaceHard / outdoor
Websitecincinnatiopen.com
Current champions (2025)
Men's singles Carlos Alcaraz
Women's singles Iga Świątek
Men's doubles Nikola Mektić
Rajeev Ram
Women's doubles Gabriela Dabrowski
Erin Routliffe
ATP Tour
CategoryATP 1000
Draw96S / 48Q / 32D
Prize moneyUS$9,193,540 (2025)
WTA Tour
CategoryWTA 1000
Draw96S / 48Q / 32D
Prize moneyUS$5,152,599 (2025)

The Cincinnati Open is an annual professional tennis event held in Cincinnati, United States. It is played on outdoor hard courts at the Lindner Family Tennis Center in Mason, Ohio, and is held in August. The event started on September 18, 1899, and is the oldest tennis tournament in the United States still played in (or near) its original city. It also is the third largest tennis event in the United States, after the US Open and the Indian Wells Open. It is one of the ATP Masters 1000 tournaments on the ATP Tour, and one of the WTA 1000 tournaments on the WTA Tour.