1979 Gray International Open

The 1979 Gray International Open, also known as the Cleveland Grand Prix, was a men's tennis tournament held on outdoor hard courts at the Harold T. Clark Tennis Stadium in Cleveland, Ohio in the United States that was part of the 1979 Grand Prix circuit. It was the fifth edition of the tournament and was held from August 13 through August 19, 1979.^[a] Second-seeded Stan Smith won the singles title and earned $10,000 first-prize money.^[4][5]

1979 Gray International Open
Date	August 13–19[a]
Edition	5th
Category	Grand Prix
Draw	32S / 16D
Prize money	$50,000
Surface	Hard / outdoor
Location	Cleveland, Ohio, U.S.
Venue	Harold T. Clark Tennis Stadium
Champions
Singles
Stan Smith[2]
Doubles
Stan Smith / Robert Lutz[3]

Finals

Singles

Stan Smith defeated Ilie Năstase 6–3, 6–4

• It was Smith' 1st singles title of the year and the 52nd of his career in the Open Era.

Doubles

Stan Smith / Robert Lutz defeated Francisco González / Fred McNair 6–3, 6–4

Notes

1. Due to rain the finals were postponed and played on Monday, August 20.^[1]