Monica Seles the last title that Seles won before the attack in Hamburg, Germany. On April 30 during a quarterfinal match with Magdalena Maleeva in Hamburg in which Seles was leading, Günter Parche, an obsessed fan of Steffi Graf, ran from the middle of the crowd to the edge of the court during a break between games and stabbed Seles with a boning knife between her shoulder blades, to a depth of 1.5 cm (0.59 inches). She was quickly taken to a hospital. Although her physical injuries took only a few weeks to heal, she did not return to competitive tennis for
Steffi Graf Furthermore, she is the only tennis player to have won each Grand Slam tournament at least four times. Graf was ranked world No. 1 by the Women's Tennis Association (WTA) for a record 377 total weeks—the longest period for which any player, male or female, has held the number-one ranking since the WTA and the Association of Tennis Professionals began issuing rankings. She won 107 singles titles, which ranks her third on the WTA's all-time list after Martina Navratilova (167 titles) and Chris Evert (157 titles). She and Margaret Court are the only players, male or female, to win three