Roger Federer. He has 15.
The four most important tennis tournaments of the world are called Grand Slam tournaments. They are: the Australian Open, the French Open, Wimbledon and the US Open. Any player who wins these four tournaments in a row is said to have won the Grand Slam.
Grand Slam Tennis was created on 2009-06-08.
Margaret Court, she won 24 Grand Slams in her life.
A true Grand Slam in tennis is when a player wins all four Grand Slam tournaments in the same year. Otherwise it is just a career Grand Slam, and not a true Grand Slam.
To purchase tickets for a Grand Slam Tennis Tour you can go to Vivid Seats, Grand Slam Tennis Ticket Packages, Tours 4 Tennis and Travel City Tickets.
no its not
The Grand Slam is a tennis tournament, while the ATP is an orginization. (Association of Tennis Professionals.)