No woman has won all 4 grand slams in one year but Rod Laver did twice. Sorry to Disagree but Steffi Graph did a Golden Slam in 1988, All 4 Grand Slams and an Olympic gold medal.
He has won all 4.
1. Roger Federer [16 grand slams] ... and counting... 2. Pete Sampras [14 grand slams] 3. Bjorn Borg [11 grand slams] 4. Rafael Nadal [10 grand slams] ... and counting...
Federer has won 16 Grand Slams (4 Australian Opens, 1 French Open, 6 Wimbledons and 5 US Opens).
Nadal has won 6 grand slams Australian Open: 1 French Open: 4 Wimbledon: 1 US Open: 0
Don Budg was the first player who won all the 4 Grand Slams.
Maureen Connolly of USA won all the 4 Grand Slams in a year in 1953.
Andre Agassi won 8 Grand slams. - 1 Wimbledon, 1 French open, 2 US open and 4 Australian open
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nohe has won all four but not in a calendar year
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4 grand slams