Martina Navratilova
whoever can get pass the qualifier
4 grand slams
John Patrick McEnroe was the American tennis player who won 7 grand slams in the 1970s and 1980s.
Ivan Lendl, professional player in the 1980's. Originally from the Czech Republic. Won a number of grand slams of tennis and held the #1 title for a number of years.
er - women do not play men's tennis
A slam in pro tennis is winning all four grand slams in a row.
Graff, Agassi, Williams
Amelie Mauresmo is a former professional tennis player that won two Grand Slams singles titles, one at the Australian Open and the other one at Wimbledon.
bjon borg
Bjorn Borg -2
Pretty much all of the countries, considering that the Grand Slams take in the best players from each country in the world.