Table tennis at the 2020 Summer Olympics – Men's singles

The men's singles table tennis event was part of the table tennis programme at the 2020 Summer Olympics in Tokyo. The event took place from 24 July to 30 July 2021 at Tokyo Metropolitan Gymnasium.

Seeds
The top 16 seeded players qualified directly to the third round.

(Final, silver medalist)  (champion, gold medalist) (fourth round) (quarterfinals) (Semifinals, fourth place) (third round) (Semifinals, bronze medalist) (fourth round) (fourth round) (quarterfinals) (third round) (fourth round) (third round) (fourth round) (third round) (fourth round)

The players seeded from 17 to 32 qualified directly to the second round.

(second round) (quarterfinals) (fourth round) (third round) (second round) (third round) (second round) (third round) (fourth round) (second round) (third round) (quarterfinals) (third round) (third round) (second round) (third round)