Steffi Graf Steffi Graf Stefanie Maria "Steffi" Graf (; born 14 June 1969) is a German former professional tennis player. She was ranked world No. 1 and won 22 Grand Slam singles titles. Her 22 singles titles put her second on the list of major wins in the female competition since the introduction of the Open Era in 1968 and is third all-time behind Margaret Court (24) and Serena Williams (23). In 1988, she became the only tennis player to achieve the Golden Slam by winning all four Grand Slam singles titles and the Olympic gold medal in the same calendar year.
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