2023 marked the return of the ATP tournaments in China after strict COVID-19 protocols in the country.

[3][4][5] These tables present the number of singles (S), doubles (D), and mixed doubles (X) titles won by each player and each nation during the season, within all the tournament categories of the 2023 calendar : the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Tour 500 tournaments, and the ATP Tour 250 tournaments.

The players/nations are sorted by: The following players won their first main circuit title in singles, doubles or mixed doubles: The following players defended a main circuit title in singles, doubles, or mixed doubles: The following players achieved their career high ranking in this season inside top 50 (in bold the players who entered the top 10 or became the world No.

1 for the first time):[b] Below are the tables for the yearly ATP Race rankings[c] and the ATP rankings[d] of the top 20 singles players, doubles players, and doubles teams.

Points are awarded as follows:[19][20] The following is a list of notable players (winners of a main tour title, and/or part of the ATP rankings top 100 in singles, or top 100 in doubles, for at least one week) who announced their retirement from professional tennis, became inactive (after not playing for more than 52 weeks), or were permanently banned from playing, during the 2023 season: