Chris EvertChris Evert is the first tennis player—male or female—to win 1,000 singles matches.(more) From her first professional match at age 15 until her retirement 20 years later, Chris Evert had a tennis career that was nothing short of remarkable. Here are just a few of her accomplishments:

　　55-match winning streak before she turned 21 years old18 Grand Slam winsThe winner of four Associated Press Female Athlete of the Year awardsAn undisputed clay court champion with a winning percentage of .946A career winning percentage of .900—the best in tennis historyUnanimous election into the International Tennis Hall of FameDiscover more about professional tennis’s most-winning player.