2023 Rio Open – Singles

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
• #🇪🇸 Carlos Alcaraz (final)

• #🇬🇧 Cameron Norrie (champion)

• #🇮🇹 Lorenzo Musetti (first round)

• #🇦🇷 Francisco Cerúndolo (second round)

• #🇦🇷 Diego Schwartzman (first round)

• #🇦🇷 Sebastián Báez (quarterfinals)

• #🇪🇸 Albert Ramos Viñolas (quarterfinals)

• #🇦🇷 Federico Coria (withdrew)

• #🇸🇰 Alex Molčan (second round)

Seeds
• # 🇦🇷 Facundo Bagnis (qualified)

• # 🇮🇹 Marco Cecchinato (first round)

• # 🇫🇷 Hugo Gaston (qualified)

• # 🇦🇷 Juan Manuel Cerúndolo (qualifying competition, lucky loser)

• # 🇰🇿 Timofey Skatov (first round)

• # 🇦🇷 Camilo Ugo Carabelli (first round)

• # 🇸🇰 Jozef Kovalík (first round)

• # 🇩🇪 Yannick Hanfmann (qualifying competition)

Qualifiers
• # 🇦🇷 Facundo Bagnis

• # Tomás Barrios Vera

• # 🇫🇷 Hugo Gaston

• # Nicolás Jarry

Lucky loser
• # 🇦🇷 Juan Manuel Cerúndolo