Dan Evans defeated Tallon Griekspoor in the final, 7–5, 6–3 to win the men's singles tennis title at the 2023 Washington Open.

It was his second ATP Tour singles title.

Nick Kyrgios was the reigning champion,[1] but withdrew due to injury before the tournament began.

[2] All seeds received a bye into the second round.

Click on the seed number of a player to go to their draw section.