| Doubles | |
|---|---|
| 2024 Antofagasta Challenger | |
| Champions |  Mateus Alves  Matías Soto |
| Runners-up |  Leonardo Aboian Valerio Aboian |
| Score | 6–1, 6–4 |
Boris Arias and Federico Zeballos were the defending champions [1] but lost in the first round to Enzo Couacaud and Jesper de Jong.
Mateus Alves and Matías Soto won the title after defeating Leonardo and Valerio Aboian 6–1, 6–4 in the final.
Orlando Luz / Marcelo Zormann (semifinals)
Boris Arias / Federico Zeballos (first round) Guillermo Durán / Mariano Kestelboim (withdrew)
Scott Duncan / 
Hunter Reese (first round) Mateus Alves / Matías Soto (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | O Luz M Zormann | 6 | 6 | ||||||||||||||||||||||||
| WC | Ignacio Becerra Daniel Antonio Núñez | 2 | 3 | 1 | O Luz M Zormann | 6 | 2 | [10] | |||||||||||||||||||
| G Heide JL Reis da Silva | 7 | 6 | G Heide JL Reis da Silva | 3 | 6 | [4] | |||||||||||||||||||||
| L Britto Paulo André Saraiva dos Santos | 5 | 2 | 1 | O Luz M Zormann | 6 | 5 | [7] | ||||||||||||||||||||
| 4 | S Duncan H Reese | 3 | 6 | [8] | Alt | L Aboian V Aboian | 3 | 7 | [10] | ||||||||||||||||||
 Á Guillén Meza  AD Vallejo | 6 | 4 | [10] | Á Guillén Meza AD Vallejo | |||||||||||||||||||||||
| Alt | Leonardo Aboian V Aboian | 6 | 6 | Alt | L Aboian V Aboian | w/o | |||||||||||||||||||||
| A Collarini JP Ficovich | 1 | 4 | Alt | L Aboian V Aboian | 1 | 4 | |||||||||||||||||||||
| WC | Anders Matta F Meligeni Alves | 5 | M Alves M Soto | 6 | 6 | ||||||||||||||||||||||
| Alt | Luciano Emanuel Ambrogi Benjamín Zuñiga García | w/o | Alt | LE Ambrogi B Zuñiga García | 1 | 2 | |||||||||||||||||||||
F Mena  F Roncadelli | 65 | 6 | [5] | 5 | M Alves M Soto | 6 | 6 | ||||||||||||||||||||
| 5 | M Alves M Soto | 77 | 4 | [10] | 5 | M Alves M Soto | 4 | 6 | [10] | ||||||||||||||||||
| Alt | Breno Braga Victor Braga | w/o |  E Couacaud  J de Jong | 6 | 4 | [6] | |||||||||||||||||||||
| H Dellien M Dellien | Alt | B Braga V Braga | 3 | 2 | |||||||||||||||||||||||
| E Couacaud J de Jong | 6 | 6 | E Couacaud J de Jong | 6 | 6 | ||||||||||||||||||||||
| 2 | B Arias F Zeballos | 3 | 4 | ||||||||||||||||||||||||
This was the first edition of the tournament.
Marin Draganja and Dino Marcan were the reigning champions, but did not defend their title as they had both retired from professional tennis.
Rafael Matos and Felipe Meligeni Alves were the defending champions but only Meligeni Alves chose to defend his title, partnering Matheus Pucinelli de Almeida. Meligeni Alves withdrew before his first round match due to injury.
Jesper de Jong and Bart Stevens were the defending champions but only de Jong chose to defend his title, partnering Max Houkes. De Jong and Houkes retired from their first round match against Boris Arias and Federico Zeballos.
Rafael Matos and Felipe Meligeni Alves were the defending champions but only Meligeni Alves chose to defend his title, partnering Matheus Pucinelli de Almeida. They withdrew before their first round match.
This was the third edition of the tournament as an ATP Challenger Tour event and the first edition since 2012.
Jesper de Jong and Bart Stevens were the defending champions but chose not to defend their title.
Gonzalo Bueno and Daniel Vallejo were the defending champions but only Vallejo chose to defend his title, partnering Ignacio Buse. Vallejo lost in the first round to Renzo Olivo and Elias Ymer.
Mateus Alves and Gustavo Heide were the defending champions but chose to defend their title with different partners. Alves partnered Gabriel Décamps but lost in the semifinals to Marcelo Demoliner and Rafael Matos. Heide partnered Gilbert Klier Júnior but retired from his first round match against Demoliner and Matos.
Guido Andreozzi and Guillermo Durán were the defending champions but only Andreozzi chose to defend his title, partnering Ignacio Carou. Andreozzi withdrew before the start of the tournament due to a foot injury.
Francisco Comesaña and Thiago Seyboth Wild were the defending champions but chose not to defend their title.
Arklon and Conner Huertas del Pino were the defending champions but lost in the quarterfinals to Jakob Schnaitter and Mark Wallner.
Renzo Olivo and Thiago Agustín Tirante were the defending champions but only Olivo chose to defend his title, partnering Pedro Sakamoto. They lost in the first round to Garrett Johns and Noah Schachter.
Guido Andreozzi and Cristian Rodríguez were the defending champions but chose not to defend their title.
Diego Hidalgo and Cristian Rodríguez were the defending champions but chose not to defend their title.
Guido Andreozzi and Guillermo Durán were the defending champions but chose not to defend their title.
Guido Andreozzi and Ignacio Carou were the defending champions but only Carou chose to defend his title, partnering Román Andrés Burruchaga. They lost in the first round to Arklon and Conner Huertas del Pino.
Mateus Alves and Matías Soto were the defending champions but lost in the quarterfinals to Christian Harrison and Evan King.
Daniel Dutra da Silva and Oleg Prihodko were the defending champions but only Dutra da Silva chose to defend his title, partnering Lautaro Midón. They lost in the first round to Luís Britto and Franco Roncadelli.
Murkel Dellien and Federico Agustín Gómez were the defending champions but only Dellien chose to defend his title, partnering Juan Carlos Prado Ángelo.