Throughout its history, many changes in the Grand Slam tennis tournaments have affected the number of titles won by various players.
[1][2] All of these tournaments have been listed based on the modern definition of a tennis major, rather than when they were officially recognized by the ILTF.
The Australian and U.S. tournaments were officially recognized by the ILTF in 1924, and the French Championships followed a year later in 1925 when it became open to all international players.
The United States Lawn Tennis Association (USLTA) had several grievances with the ILTF and refused to join when it was formed in 1913.
[a][15][16] Players who won all four major titles, the Olympic gold medal and the Tour Finals over the course of their careers.