It was organised by the USTA with the finals played at Seventh Regiment Armory, New York City, United States until 1972.
This international tournament was part of the ILTF Independent Tour, until 1972 when it was discontinued.
[1] On 25 March 1968 the Madison Square Garden Open Tennis Championship was established.
[3] The tournament was organised by the USTA and was played on indoor carpet courts.
[4] In 1971 the owners of Madison Square Garden chose not to renew the tournament and the US tennis Association looked for a replacement New York Indoor event, they approached Combustion Equipment Associates Inc to sponsor a new event this led to the establishment of the Clean Air Tennis Classic tournament that would be played across three venues in Hawthorne, New Jersey and the Vanderbilt International Raquet Club, culminating in the final at the Seventh Regiment Armory.