Graf won six French Open singles titles (second to Evert) and seven Wimbledon singles titles (third behind Navratilova and Helen Wills Moody). She is the only singles player (male or female) to have achieved a Calendar Year Grand Slam while playing on four different types of tennis courts (Rebound Ace, grass, clay and DecoTurf). Graf reached thirteen consecutive Grand Slam singles finals, from the 1987 French Open through to the 1990 French Open, winning nine of them.