1978 Cincinnati Open

The 1978 Cincinnati Open (also known as the 1978 ATP Championships for sponsorship reasons) was a tennis tournament played on outdoor hard courts at the Coney Island in Cincinnati, Ohio in the United States that was part of the 1978 Colgate-Palmolive Grand Prix. The tournament was held from July 10 through July 16, 1978.

1978 Cincinnati Open

The 1978 Cincinnati Open (also known as the 1978 ATP Championships for sponsorship reasons) was a tennis tournament played on outdoor hard courts at the Coney Island in Cincinnati, Ohio in the United States that was part of the 1978 Colgate-Palmolive Grand Prix. The tournament was held from July 10 through July 16, 1978.