Justine Henin (born June 1, 1982) is a Belgianprofessionaltennis player and a World Number 1. She has won seven Grand Slam singles titles, including four and three in a row at the French Open. She is two-time runner up at Wimbledon but has never won the title. Her mental toughness and her one-handed backhand are recognized by great tennis players. One of the greatest tennis player of all time, Billie Jean King has said that Justine is the best player of her generation. She was known as Justine Henin-Hardenne for a while, until she separated from her husband in 2007 and went back to her maiden name of Justine Henin. She retired in 2008 but announced her comeback on 22 September after seeing the success of her compatiot Kim Clijesters.