1981 Jack Kramer Open

The 1981 Jack Kramer Open, also known as the Pacific Southwest Open, was a men's tennis tournament played on outdoor hard courts at the Los Angeles Tennis Club in Los Angeles, California in the United States. The event was part of the Grand Prix tennis circuit. It was the 55th edition of the Pacific Southwest tournament and was held from April 13 through April 20, 1981. First-seeded John McEnroe won the singles title and the corresponding $15,000 first-prize money. The finals were delayed to Monday, April 20 due to rain.^[3][4]

1981 Jack Kramer Open
Date	April 13–20
Edition	55th
Category	Grand Prix
Draw	32S / 16D
Prize money	$75,000
Surface	Hard / outdoor
Location	Los Angeles, California, U.S.
Venue	Los Angeles Tennis Club
Champions
Singles
John McEnroe[1]
Doubles
Tom Gullikson / Butch Walts[2]

Finals

Singles

John McEnroe defeated Sandy Mayer 6–7, 6–3, 6–3

• It was McEnroe's 4th singles title of the year and the 28th of his career.

Doubles

Tom Gullikson / Butch Walts defeated John McEnroe / Ferdi Taygan 6–4, 6–4