1978 Pacific Southwest Open

The 1978 Pacific Southwest Open, also known under its sponsorship name 1978 ARCO Open, was a men's tennis tournament played on indoor carpet courts at the Pauley Pavilion in Los Angeles, California in the United States. The event was part of the Grand Prix tennis circuit. It was the 52nd edition of the tournament and was held from September 18 through September 25, 1978. Seventh-seeded Arthur Ashe won the singles title as well as 200 ranking points.^[3]

1978 Pacific Southwest Open
Date	September 18–25
Edition	52nd
Category	Grand Prix
Draw	64S / 32D
Prize money	$200,000
Surface	Carpet / indoor
Location	Los Angeles, US
Venue	Pauley Pavilion
Champions
Singles
Arthur Ashe[1]
Doubles
John Alexander / Phil Dent[2]

Finals

Singles

Arthur Ashe defeated Brian Gottfried 6–2, 6–4

Doubles

John Alexander / Phil Dent defeated Fred McNair / Raúl Ramírez 7–6, 6–3