Pro Tennis Championships was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts, USA.

It was classified as a Class 1 category tournament and was part of the 1970 Grand Prix circuit.

Fourth-seeded Tony Roche won the singles title and the accompanying $12,000 first prize money.

[3][4][5] Tony Roche defeated Rod Laver, 3–6, 6–4, 1–6, 6–2, 6–2.

Roy Emerson / Rod Laver defeated Ismail El Shafei / Torben Ulrich, 6–1, 7–6.