Pro Indoor was a men's tennis tournament played on indoor carpet courts that was part of the World Championship Tennis (WCT) circuit.

It was played at the Spectrum in Philadelphia, Pennsylvania in the United States.

[3] Dick Stockton, who was seeded 12th, won the singles title while Bob Hewitt and Frew McMillan won the men's doubles.

[5] Dick Stockton defeated Jimmy Connors 3–6, 6–4, 3–6, 6–1, 6–2 [1] Bob Hewitt / Frew McMillan defeated Wojciech Fibak / Tom Okker 6–1, 1–6, 6–3 [2] It was Hewitt's 1st title for that year and the 31st of his career.

It was McMillan's 1st title of the year and the 36th of his career.