Tulsa Invitation

The Tulsa Invitation also known as the TTC Invitational was a men's and women's clay court tennis tournament was founded in 1958. The tournament was played at the Tulsa Tennis Club, Tulsa, Oklahoma, United States. It played annually through till 1975 when it was discontinued.

History
In 1935 a Tulsa Invitation tournament was held, however that tournament appears to have been discontinued. In 1958 the Tulsa Tennis Club (founded 1926) as a private members club staged the Tulsa Invitation tennis tournament for the first time. The first men's singles winner was Sammy Giammalva who defeated Bernard Bartzen. the event was held annually until 1975 when it was discontinued the final men's singles title went to Zan Guerry for the third time, and the women's singles event was won by Lele Forood. The tournament was part of the ILTF World Circuit from 1958 to 1969 for men and to 1970 for women. It then became part of the ILTF Independent Circuit from 1970 to 1975 for men, and 1973 to 1975 for women that tour included tournaments not part of ILTF Grand Prix or WTA Tour.

Women's singles
(incomplete roll)