ATP - Rio de Janeiro 1R start

First round commenced in Rio de Janeiro.

2024 Rio Open presented by Claro, an ATP 500 tournament, on Clay Outdoor, Rio de Janeiro, Brazil, 19-25 February 2024

Defending champion:

Cameron Norrie (2) who defeated Carlos Alcaraz (1) 5-7 6-4 7-5

First round results:

- Francisco Cerundolo (4) defeated qualifier Francisco Comesana 6-1 1-6 6-2

- Albert Ramos-Vinolas defeated Juan Pablo Varillas 3-6 6-3 7-5

- Laslo Djere (6) defeated Bernabe Zapata Miralles 6-3 6-0

- Jaume Munar defeated Sebastian Ofner (8) 6-3 6-1

- Thiago Seyboth Wild defeated Alejandro Tabilo 2-6 6-4 6-4

- Tomas Barrios Vera defeated wildcard Gustavo Heide 7-5 6-3

- Cameron Norrie (2) defeated Hugo Dellien 6-3 6-2