Christine Marie "Chris" Evert (born December 21, 1954) is a former world number 1 professional tennis player from the United States. She won 18 Grand Slam singles championships, including a record seven championships at the French Open and a record six championships at the U.S. Open. According to the Women's Tennis Association, she was the year-ending World No. 1 singles player in 1975, 1976, 1977, 1980, and 1981 and, according to many sources, in 1974 and 1978, also.
