who is ranked first in men's tennis
List of ATP number 1 ranked singles tennis players Roger Federer holds the records for both the most total weeks at No. 1 (302) and most consecutive weeks at No. 1 (237).[7] Pete Sampras holds the record for the most year-end No. 1 (six, all consecutive).[8][9] Patrick Rafter spent the fewest time at No. 1 (one week).