MELBOURNE, Australia - In light of No.1 seeds Sara Errani and Roberta Vinci securing the Australian Open doubles crown, there is a chance of a feat that was once common but has become rare happening again.

If Victoria Azarenka takes the singles title on Saturday, it will be the first time in nine years that the singles and doubles events were both won by the top seeds at the same major. Here is a rundown of each time that has occurred in the Open Era:

It happened one time in the '60s (Open Era started in 1968):
1968 Wimbledon: King in singles, Casals & King in doubles

It happened 12 times in the '70s:
1970 Australian Open: Court in singles, Court & Tegart-Dalton in doubles
1970 US Open: Court in singles, Court & Tegart-Dalton in doubles
1971 Australian Open: Court in singles, Court & Goolagong in doubles
1971 US Open: King in singles, Casals & Tegart-Dalton in doubles
1973 French Open: Court in singles, Court & Wade in doubles
1973 Australian Open: Court in singles, Court & Wade in doubles
1974 French Open: Evert in singles, Evert & Morozova in doubles
1975 French Open: Evert in singles, Evert & Navratilova in doubles
1976 Australian Open: Goolagong in singles, Goolagong & Gourlay in doubles
1977 US Open: Evert in singles, Navratilova & Stove in doubles
1979 French Open: Evert in singles, Stove & Turnbull in doubles
1979 Wimbledon: Navratilova in singles, King & Navratilova in doubles

It happened 12 times in the '80s:
1982 Wimbledon: Navratilova in singles, Navratilova & Shriver in doubles
1983 Wimbledon: Navratilova in singles, Navratilova & Shriver in doubles
1983 US Open: Navratilova in singles, Navratilova & Shriver in doubles
1983 Australian Open: Navratilova in singles, Navratilova & Shriver in doubles
1984 French Open: Navratilova in singles, Navratilova & Shriver in doubles
1984 Wimbledon: Navratilova in singles, Navratilova & Shriver in doubles
1984 US Open: Navratilova in singles, Navratilova & Shriver in doubles
1986 Wimbledon: Navratilova in singles, Navratilova & Shriver in doubles
1986 US Open: Navratilova in singles, Navratilova & Shriver in doubles
1988 Australian Open: Graf in singles, Navratilova & Shriver in doubles
1988 French Open: Graf in singles, Navratilova & Shriver in doubles
1989 Australian Open: Graf in singles, Navratilova & Shriver in doubles

It happened seven times in the '90s:
1990 Australian Open: Graf in singles, Novotna & Sukova in doubles
1991 French Open: Seles in singles, Fernández & Novotna in doubles
1993 Australian Open: Seles in singles, Fernández & Zvereva in doubles
1993 French Open: Graf in singles, Fernández & Zvereva in doubles
1993 Wimbledon: Graf in singles, Fernández & Zvereva in doubles
1994 Australian Open: Graf in singles, Fernández & Zvereva in doubles
1997 Wimbledon: Hingis in singles, Fernández & Zvereva in doubles

It happened two times in the '00s:
2003 Australian Open: S.Williams in singles, Williams & Williams in doubles
2004 Australian Open: Henin in singles, Ruano Pascual & Suárez in doubles