This is a list of top international male singles tennis players, both past and present.
It includes players who have met one or more of the following criteria in singles:
Officially ranked among the top 25 players by the Association of Tennis Professionals (since 1973)
Ranked among the top 10 by an expert (e.g. A. Wallis Myers) before 1973
Reached the quarterfinals of a Grand Slam tournament
Reached the finals of year-end championships
Won a medal at the Olympic Games
Players who have won at least one Grand Slam singles title or have been ranked world no. 1 in singles are in bold. Players who are still active on the tour are in italics.
List
Active players shown in italics
See also
List of male doubles tennis players
List of female tennis players
Lists of tennis players
Lists of sportspeople
List of ATP number 1 ranked singles tennis players