Answer
Monica Seles made her final professional appearance at the 1999 Wimbledon Championships. Seles had not played since being stabbed by a crazed fan during a match in Hamburg in 1993. She returned to the tour in 1995, but was never able to regain her former dominance. At Wimbledon in 1999, she lost in the second round to Magdalena Maleeva. Seles retired from professional tennis shortly after the tournament.