In an 18-hole Monday playoff, Shirley Englehorn won her only major title, defeating 1967 champion Kathy Whitworth by four strokes.

[3] Three years earlier Pleasant Valley, Whitworth had bested Englehorn by a stroke in 1967, after the pair had co-led after 54 holes.

It was Englehorn's fourth consecutive victory during the 1970 season;[1] defending champion Betsy Rawls tied for 26th, 21 strokes back.

[4][5] Source:[4][6] Monday, June 15, 1970 No birdies were scored in the playoff: both bogeyed the second hole and Whitworth had another at the ninth to fall one back at the turn.

She had a double bogey at the twelfth and dropped three back, while Englehorn had seventeen pars on the way to a one-over 74 for a four-stroke win and the title.