Cincinnati Open
Spectator SportsOhio, United States51-200 Employees
The Cincinnati Open is a spectator sports organization that hosts an annual professional tennis tournament at the Lindner Family Tennis Center in Mason, Ohio. The event runs each August, featuring hundreds of matches along with live music and entertainment and attracts more than 200,000 fans during the summer. The organization has 51 to 200 employees and operates in the sports industry. In 2025 the event was recognized as ATP Masters 1000 Tournament of the Year after a $260 million campus transformation completed in partnership with the City of Mason, Warren County, and the State of Ohio. The organization maintains a website at CincinnatiOpen.com and reports annual revenue in the range of $10 million to $25 million.