| Singles | |
|---|---|
| 2024 Challenger Concepción | |
| Champion |  Gonzalo Bueno |
| Runner-up |  Juan Pablo Ficovich |
| Score | 6–4, 6–0 |
Federico Coria was the defending champion [1] but chose not to defend his title.
Gonzalo Bueno won the title after defeating Juan Pablo Ficovich 6–4, 6–0 in the final.
Genaro Alberto Olivieri (quarterfinals) Juan Pablo Ficovich (final) Renzo Olivo (first round, retired)
Álvaro Guillén Meza (quarterfinals)
Ergi Kırkın (second round) Gonzalo Bueno (champion) Hernán Casanova (second round)
Roberto Cid Subervi (first round)| Semifinals | Final | ||||||||||||
| 6 | Gonzalo Bueno | 6 | 6 | ||||||||||
| Q |  José Pereira | 4 | 4 | ||||||||||
| 6 | Gonzalo Bueno | 6 | 6 | ||||||||||
| 2 | Juan Pablo Ficovich | 4 | 0 | ||||||||||
| Q |  Stefanos Sakellaridis | 2 | 5 | ||||||||||
| 2 | Juan Pablo Ficovich | 6 | 7 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | GA Olivieri | 6 | 6 | ||||||||||||||||||||||||
| Q | Lautaro Agustín Falabella | 3 | 3 | 1 | GA Olivieri | 6 | 6 | ||||||||||||||||||||
 K Uchida | 2 | 1 | V Aboian | 4 | 4 | ||||||||||||||||||||||
| V Aboian | 6 | 6 | 1 | GA Olivieri | 6 | 2 | 64 | ||||||||||||||||||||
| P Boscardin Dias | 3 | 4 | 6 | G Bueno | 4 | 6 | 77 | ||||||||||||||||||||
| Q | Franco Ribero | 6 | 6 | Q | F Ribero | 3 | 1 | ||||||||||||||||||||
| Nicolas Zanellato | 7 | 3 | 0 | 6 | G Bueno | 6 | 6 | ||||||||||||||||||||
| 6 | G Bueno | 5 | 6 | 6 | 6 | G Bueno | 6 | 6 | |||||||||||||||||||
| 4 | Á Guillén Meza | 6 | 6 | Q | J Pereira | 4 | 4 | ||||||||||||||||||||
| WC |  Benjamín Torres | 2 | 1 | 4 | Á Guillén Meza | 6 | 6 | ||||||||||||||||||||
| E Gómez | 3 | 60 | Q | L Aboian | 0 | 3 | |||||||||||||||||||||
| Q | Leonardo Aboian | 6 | 77 | 4 | Á Guillén Meza | 4 | 6 | 5 | |||||||||||||||||||
| Q | J Pereira | 6 | 6 | Q | J Pereira | 6 | 4 | 7 | |||||||||||||||||||
| WC | Ignacio Becerra | 2 | 0 | Q | J Pereira | 64 | 6 | 6 | |||||||||||||||||||
| M Soto | 3 | 0 | 7 | H Casanova | 77 | 3 | 1 | ||||||||||||||||||||
| 7 | H Casanova | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | E Kırkın | 6 | 6 | ||||||||||||||||||||||||
| Luciano Emanuel Ambrogi | 4 | 2 | 5 | E Kırkın | 3 | 6 | 5 | ||||||||||||||||||||
| G Villanueva | 3 | 4 | Q | S Sakellaridis | 6 | 3 | 7 | ||||||||||||||||||||
| Q | S Sakellaridis | 6 | 6 | Q | S Sakellaridis | 6 | 0 | 6 | |||||||||||||||||||
| F Mena | 7 | 6 | F Mena | 4 | 6 | 3 | |||||||||||||||||||||
| WC | Daniel Antonio Núñez | 5 | 1 | F Mena | 7 | 6 | |||||||||||||||||||||
| D Dutra da Silva | 7 | 5 | D Dutra da Silva | 5 | 4 | ||||||||||||||||||||||
| 3 | R Olivo | 5 | 1r | Q | S Sakellaridis | 2 | 5 | ||||||||||||||||||||
| 8 | R Cid Subervi | 1 | 5 | 2 | JP Ficovich | 6 | 7 | ||||||||||||||||||||
| Q |  F Roncadelli | 6 | 7 | Q | F Roncadelli | 1 | 6 | 3 | |||||||||||||||||||
| Alt |  JC Prado Ángelo | 6 | 6 | Alt | JC Prado Ángelo | 6 | 4 | 6 | |||||||||||||||||||
| PR | N Álvarez | 1 | 2 | Alt | JC Prado Ángelo | 1 | 6 | 65 | |||||||||||||||||||
| Lorenzo Joaquín Rodríguez | 0 | 2r | 2 | JP Ficovich | 6 | 3 | 77 | ||||||||||||||||||||
| JB Torres | 6 | 5 | JB Torres | 1 | 4 | ||||||||||||||||||||||
| Alt | Guido Iván Justo | 0 | 77 | 3 | 2 | JP Ficovich | 6 | 6 | |||||||||||||||||||
| 2 | JP Ficovich | 6 | 65 | 6 | |||||||||||||||||||||||
Cristian Garín was the defending champion but chose not to defend his title.
Juan Ignacio Londero was the defending champion, but lost to Laslo Đere in the quarterfinals.
Matías Franco Descotte was the defending champion but lost in the second round to Jurij Rodionov.
Cristian Garín defeated Facundo Bagnis in the final, 6–4, 6–7(3–7), 7–5 to capture the men's singles tennis title at the 2021 Chile Open.
Nicolás Jarry was the defending champion but chose not to defend his title.
Daniel Elahi Galán was the defending champion but chose not to defend his title.
Albert Ramos Viñolas defeated Alejandro Tabilo in the final, 4–6, 6–3, 6–4 to win the singles title at the 2022 Córdoba Open.
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.
Adrian Mannarino was the defending champion but chose not to defend his title.
Máximo González was the defending champion when the event was last held in 2015, but he chose not to defend his title.
This was the first edition of the tournament. The tournament was originally scheduled to be played in Villa Allende but was relocated to Buenos Aires due to operational issues at the venue in Villa Allende.
This was the first edition of the tournament. The tournament originated as a quick replacement for the 2022 edition of the Quito Challenger, which was moved to Cali due to political unrest in Quito.
Gerald Melzer was the defending champion but lost in the final to Juan Pablo Ficovich.
Sebastián Báez was the defending champion but chose not to defend his title.
Arthur Rinderknech was the defending champion but chose not to defend his title.
Blaž Rola was the defending champion but chose not to defend his title.
Daniel Altmaier was the defending champion but chose not to defend his title.
Juan Pablo Ficovich was the defending champion but lost in the first round to Elmar Ejupovic.
Thiago Seyboth Wild was the defending champion but chose not to defend his title.
Andrea Collarini was the defending champion but chose not to defend his title.