The 2024 Rio Open, also known as Rio Open presented by Claro for sponsorship reasons, was a professional men's tennis tournament played on outdoor clay courts. It was the 10th edition of the Rio Open, and part of the ATP Tour 500 tournaments of the 2024 ATP Tour. It took place in Rio de Janeiro, Brazil between February 19–25, 2024.[1]
See main article: 2024 Rio Open – Singles.
Sebastián Báez def. Mariano Navone 6–2, 6–1See main article: 2024 Rio Open – Doubles.
Nicolás Barrientos / 
Rafael Matos def. 
Alexander Erler / Lucas Miedler 6–4, 6–3| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | Carlos Alcaraz | 2 | 1 | |
 United Kingdom | Cameron Norrie | 20 | 2 | |
| Nicolás Jarry | 21 | 3 | ||
| Argentina | Francisco Cerúndolo | 22 | 4 | |
| Argentina | Sebastián Báez | 30 | 5 | |
 Serbia | Laslo Djere | 35 | 6 | |
 France | Arthur Fils | 36 | 7 | |
| Austria | Sebastian Ofner | 38 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Daniel Elahi Galán Tomás Martín Etcheverry → replaced by 
Hugo Dellien| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 United States | Rajeev Ram | United Kingdom | Joe Salisbury | 11 | 1 | |
| Spain | Marcel Granollers | Argentina | Horacio Zeballos | 23 | 2 | |
| Argentina | Máximo González | Argentina | Andrés Molteni | 26 | 3 | |
| Kevin Krawietz | Tim Pütz | 31 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
Pedro Cachín / Tomás Martín Etcheverry → replaced by Nicolás Barrientos / Rafael Matos