1977 Australian Open (December)

The 1977 Australian Open (December) was a tennis tournament played on outdoor grass courts in Melbourne, Victoria, Australia.^[3] It was the 66th edition of the tournament and was held from 19 to 31 December 1977.^[3] Due to a scheduling change, two Australian Opens took place in 1977, with the first taking place in January. Vitas Gerulaitis and Evonne Goolagong Cawley won the singles titles.

1977 Australian Open (December)
Date	19–31 December 1977
Edition	66th
Category	Grand Slam (ITF)
Surface	Grass
Location	Melbourne, Victoria, Australia
Venue	Kooyong Lawn Tennis Club
Champions
Men's singles
Vitas Gerulaitis[1]
Women's singles
Evonne Goolagong Cawley[2]
Men's doubles
Ray Ruffels / Allan Stone
Women's doubles
Evonne Goolagong Cawley / Helen Gourlay Cawley Mona Schallau Guerrant / Kerry Melville Reid

Seniors

Men's singles

Main article: 1977 Australian Open (December) – Men's singles

Vitas Gerulaitis defeated John Lloyd, 6–3, 7–6, 5–7, 3–6, 6–2

• It was Gerulaitis's 1st (and only) career Grand Slam title.

Women's singles

Main article: 1977 Australian Open (December) – Women's singles

Evonne Goolagong Cawley defeated Helen Gourlay Cawley, 6–3, 6–0

• It was Goolagong Cawley's 6th career Grand Slam title.

Men's doubles

Main article: 1977 Australian Open (December) – Men's doubles

Ray Ruffels / Allan Stone defeated John Alexander / Phil Dent, 7–6, 7–6

Women's doubles

Main article: 1977 Australian Open (December) – Women's doubles

Evonne Goolagong Cawley / Helen Gourlay Cawley vs. Mona Schallau Guerrant / Kerry Melville Reid, shared due to rained out final^[4]

Mixed doubles

Competition not held between 1970 and 1986.

Juniors

Boys' singles

Ray Kelly^[5]

Girls' singles

Amanda Tobin defeated Leanne Harrison, 6–1, 6–2^[6][7]