What is the "Boxed Set" in tennis which Margaret Court has won twice?
Winning Wimbledon, French Open, US Open, Australian Open in singles
Winning every major title - singles, doubles, and mixed doubles
Winning all Grand Slam events in a year
Winning the singles and doubles title at the same major
Answer
The "Boxed Set" in tennis is the feat of winning every major title - singles, doubles, and mixed doubles - in the same year. It is an extremely rare achievement, only achieved twice in the Open Era by Margaret Court in 1963 and 1970.
Margaret Court: The Tennis Legend's Remarkable Journey - Quiz Time!