Grand Slam (tennis) ten women have won Career Grand Slams in singles play (rows one and two); among them two men and five women have at least two Career Grand Slams in singles (column three). Since the beginning of the open era, five men (Rod Laver, Andre Agassi, Roger Federer, Rafael Nadal, Novak Djokovic) and six women (Margaret Court, Chris Evert, Martina Navratilova, Steffi Graf, Serena Williams and Maria Sharapova) have achieved this. Several singles players have won three major championships without achieving the Career Grand Slam, grouped by the "missing" Grand Slam tournament: Several doubles players have won three major championships without
Grand Slam Tennis can play anyone around the world. Ranked earns the player points when they beat someone and these points decide what overall ranking you are in the world. Unranked matches are friendly and do not earn any points for the player's online profile. It is good for people who are preparing to hit the leaderboards. When players win ranked matches they do not only win points for themselves but also for their country. There is a national leaderboard which shows which country has the best players. Grand Slam Tennis has generally received average to positive reviews, with a Metacritic average of