Multiple choice general knowledge sports the 1998 Wimbledon champions (singles)were.. Pete Sampras and Jana Novotna Pete Sampras and Steffi Graff Pete Sampras and Martina Hingis Marcello Rios and Martina Hingis Reveal answer Fill a bubble to check yourself A Correct answer Explanation The 1998 Wimbledon singles champions were Pete Sampras (men's singles) and Jana Novotna (women's singles). Sampras won his fifth Wimbledon title, while Novotna won her first and only Grand Slam title.