A Grand Slam is a term in tennis used to denote winning all four of the following tournaments in the same year:

These tournaments are therefore also known as the Grand Slam tournaments, and rank as the most important tennis tournaments of the year in the public mind as well as in terms of the ranking points and prizemoney awarded for performances in them.

In 1938, Don Budge

In 1962, Rod Laver

In 1969, Rod Laver

In 1953, Maureen Connolly

In 1970, Margaret Smith Court

In 1988, Steffi Graf