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 Wilson Pro Staff 7.0 lite, then switched to the Pro Staff 7.5 in 1996 and to the Pro Staff 7.1 in 1998. Graf's racquets were strung at 29 kilograms (64 pounds), significantly above the 50-60 pound range recommended by Wilson. In 2006, she signed an endorsement deal with Head. In 2010, Graf and Agassi collaborated with Head and developed the new line of Star Series tennis racquets. Graf has signed many endorsement deals throughout the years including a ten-year endorsement deal with car manufacturer Opel in 1985, and Rexona from 1994 to 1998. Other companies she has endorsed include Barilla,