See main article: 2023 Rio Open.
Cameron Norrie defeated the defending champion Carlos Alcaraz in the final, 5–7, 6–4, 7–5 to win the singles tennis title at the 2023 Rio Open.[1] It was their second final meeting in as many weeks, with Alcaraz winning the title in Buenos Aires the week prior.
This tournament marked the retirement of former top 25 player Thomaz Bellucci. He lost in the first round to Sebastián Báez.