Novak Djokovic defeated Daniil Medvedev in the final, 6–3, 7–6(7–5), 6–3 to win the men's singles tennis title at the 2023 US Open.

By winning his first-round match, Djokovic regained the world No.

1 singles ranking at the end of the tournament; Carlos Alcaraz was also in contention for the top position.

Alcaraz was the defending champion,[3] but he lost in the semifinals to Medvedev.

8 and career-ace record-holder John Isner;[4] he lost in the second round to Michael Mmoh.