1975 U.S. Pro Indoor
The 1975 U.S. Pro Indoor was a men's WCT tennis tournament played on indoor carpet courts at the Spectrum in Philadelphia, Pennsylvania in the United States. It was the eighth edition of the tournament and was held from January 20 through January 26, 1975. Seventh-seeded Marty Riessen won the singles title.
Finals
Singles
Marty Riessen defeated Vitas Gerulaitis 7–6, 5–7, 6–2, 6–7, 6–3- It was Riessen's only title of the year and the 41st of his career.