Multiple choice general knowledge sports Career singles titles won by Pete Sampras? 64 65 60 62 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Pete Sampras won 64 career singles titles during his professional tennis career (1988-2002). This included 14 Grand Slam singles titles, which was a record at the time of his retirement. He held the World No. 1 ranking for 286 weeks.