Ilie Nastase was a Romanian professional tennis player who was active in the 1970s and is considered one of the greatest players of all time. Arthur Ashe was an American professional tennis player who won three Grand Slam titles and was the first African American to win a Grand Slam singles title. Bjorn BORG was a Swedish professional tennis player who won 11 Grand Slam singles titles during the 1970s. Chris Evert was an American professional tennis player who won 18 Grand Slam singles titles during her career, including seven French Open titles.