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. 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. Seeds Draw Finals Top half Bottom half Qualifying Seeds Qualifiers Lucky loser Qualifying draw First qualifier Second qualifier Third qualifier Fourth qualifier References External links Main draw Qualifying draw Rio Open - Singles Rio Open