| Singles | |
|---|---|
| 2024 Brasil Tennis Challenger | |
| Champion |  Camilo Ugo Carabelli |
| Runner-up | Federico Coria |
| Score | 7–5, 6–4 |
Andrea Collarini was the defending champion [1] but chose not to defend his title.
Camilo Ugo Carabelli won the title after defeating Federico Coria 7–5, 6–4 in the final. [2]
Federico Coria (final) Camilo Ugo Carabelli (champion)
Ivan Gakhov (quarterfinals) Santiago Rodríguez Taverna (first round)
Marco Cecchinato (second round) Alessandro Giannessi (first round, retired) Edoardo Lavagno (second round) Juan Pablo Ficovich (first round)| Semifinals | Final | ||||||||||||
| 1 | Federico Coria | 7 | 78 | ||||||||||
 Matheus Pucinelli de Almeida | 5 | 66 | |||||||||||
| 1 | Federico Coria | 5 | 4 | ||||||||||
| 2 | Camilo Ugo Carabelli | 7 | 6 | ||||||||||
 Felix Gill | 3 | 0 | |||||||||||
| 2 | Camilo Ugo Carabelli | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | F Coria | 6 | 7 | ||||||||||||||||||||||||
| R Olivo | 1 | 5 | 1 | F Coria | 6 | 3 | |||||||||||||||||||||
| JB Torres | 6 | 2 | 77 | JB Torres | 0 | 0r | |||||||||||||||||||||
| JL Reis da Silva | 4 | 6 | 65 | 1 | F Coria | 6 | 4 | 6 | |||||||||||||||||||
| H Casanova | 6 | 6 | G Mager | 0 | 6 | 3 | |||||||||||||||||||||
| Q | G Villanueva | 2 | 4 | H Casanova | 6 | 1 | 64 | ||||||||||||||||||||
| G Mager | 6 | 1 | G Mager | 2 | 6 | 77 | |||||||||||||||||||||
| 6 | A Giannessi | 3 | 1r | 1 | F Coria | 7 | 78 | ||||||||||||||||||||
| 4 | S Rodríguez Taverna | 6 | 4 | 5 | M Pucinelli de Almeida | 5 | 66 | ||||||||||||||||||||
| Q | D Dutra da Silva | 4 | 6 | 7 | Q | D Dutra da Silva | 3 | 3 | |||||||||||||||||||
| Alexander Weis | 4 | 6 | 6 | A Weis | 6 | 6 | |||||||||||||||||||||
| Q | FA Gómez | 6 | 4 | 3 | A Weis | 63 | 64 | ||||||||||||||||||||
| Q |  D Wenger | 2 | 4 | M Pucinelli de Almeida | 77 | 77 | |||||||||||||||||||||
| M Pucinelli de Almeida | 6 | 6 | M Pucinelli de Almeida | 6 | 6 | ||||||||||||||||||||||
| Q | Alex Barrena | 2 | 77 | 2 | 7 | E Lavagno | 1 | 3 | |||||||||||||||||||
| 7 | Edoardo Lavagno | 6 | 60 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | M Cecchinato | 6 | 6 | ||||||||||||||||||||||||
| G Andreozzi | 3 | 4 | 5 | M Cecchinato | 5 | 4 | |||||||||||||||||||||
| O Luz | 63 | 65 | F Gill | 7 | 6 | ||||||||||||||||||||||
| F Gill | 77 | 77 | F Gill | 6 | 77 | ||||||||||||||||||||||
| Alt |  Gerard Campana Lee | 7 | 6 | 3 | I Gakhov | 0 | 63 | ||||||||||||||||||||
| P Sakamoto | 5 | 1 | Alt | G Campana Lee | 4 | 4 | |||||||||||||||||||||
| WC | E Ribeiro | 3 | 3 | 3 | I Gakhov | 6 | 6 | ||||||||||||||||||||
| 3 | I Gakhov | 6 | 6 | F Gill | 3 | 0 | |||||||||||||||||||||
| 8 | JP Ficovich | 5 | 7 | 4 | 2 | C Ugo Carabelli | 6 | 6 | |||||||||||||||||||
 Timo Stodder | 7 | 5 | 6 | T Stodder | 63 | 1 | |||||||||||||||||||||
 N Sánchez Izquierdo | 4 | 4 | Q | K Feldbausch | 77 | 6 | |||||||||||||||||||||
| Q | K Feldbausch | 6 | 6 | Q | K Feldbausch | 1 | 4 | ||||||||||||||||||||
| WC | Nicolas Zanellato | 5 | 2 | 2 | C Ugo Carabelli | 6 | 6 | ||||||||||||||||||||
| WC | M Alves | 7 | 6 | WC | M Alves | 2 | 2 | ||||||||||||||||||||
| C Taberner | 63 | 2 | 2 | C Ugo Carabelli | 6 | 6 | |||||||||||||||||||||
| 2 | C Ugo Carabelli | 77 | 6 | ||||||||||||||||||||||||
Sebastián Báez was the defending champion but chose not to defend his title.
Pedro Martínez defeated Sebastián Báez in the final, 4–6, 6–4, 6–4 to win the singles title at the 2022 Chile Open. It was his first ATP Tour title.
Emilio Gómez was the defending champion and successfully defended his title, defeating Nicolas Moreno de Alboran 6–7(2–7), 7–6(7–4), 7–5 in the final.
Santiago Rodríguez Taverna was the defending champion but lost in the quarterfinals to Genaro Alberto Olivieri.
Facundo Díaz Acosta was the defending champion but lost in the final to Juan Manuel Cerúndolo.
Camilo Ugo Carabelli was the defending champion but lost in the second round to Giovanni Mpetshi Perricard.
Hugo Dellien was the defending champion but chose not to defend his title.
Camilo Ugo Carabelli was the defending champion but chose not to defend his title.
Juan Manuel Cerúndolo was the defending champion and successfully defended his title, defeating Jesper de Jong 6–3, 2–6, 6–2 in the final.
Daniel Elahi Galán was the defending champion but chose not to defend his title.
Sebastián Báez defeated Federico Coria in the final, 6–1, 3–6, 6–3 to win the singles tennis title at the 2023 Córdoba Open.
Jan Choinski was the defending champion but lost in the second round to Andrea Pellegrino.
Daniel Altmaier was the defending champion but chose not to defend his title.
Camilo Ugo Carabelli was the defending champion but chose not to defend his title.
Genaro Alberto Olivieri was the defending champion but chose not to defend his title.
Mariano Navone was the defending champion but chose not to defend his title.
Nicolás Kicker was the defending champion but lost in the first round to Gustavo Heide.
Thiago Monteiro was the defending champion but chose not to defend his title.
Juan Manuel Cerúndolo was the defending champion but lost in the semifinals to Vít Kopřiva.
Facundo Díaz Acosta was the defending champion but chose not to defend his title.