| Doubles | |
|---|---|
| 2024 Lima Challenger | |
| Champions |  Hady Habib  Trey Hilderbrand |
| Runners-up |  Pedro Boscardin Dias Pedro Sakamoto |
| Score | 7–5, 6–3 |
Mateus Alves and Eduardo Ribeiro were the defending champions [1] but chose not to defend their title.
Hady Habib and Trey Hilderbrand won the title after defeating Pedro Boscardin Dias and Pedro Sakamoto 7–5, 6–3 in the final.
Luís Britto / 
Gonzalo Villanueva (semifinals)
Emile Hudd / David Stevenson (first round)
Seita Watanabe / Takeru Yuzuki (quarterfinals) Pedro Boscardin Dias / Pedro Sakamoto (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | L Britto G Villanueva | 6 | 5 | [10] | |||||||||||||||||||||||
 G Bueno  JC Prado Ángelo | 4 | 7 | [7] | 1 | L Britto G Villanueva | 6 | 6 | ||||||||||||||||||||
| Alt | Igor Gimenez JL Reis da Silva | 3 | 2 | L Aboian V Aboian | 2 | 1 | |||||||||||||||||||||
| Leonardo Aboian V Aboian | 6 | 6 | 1 | L Britto G Villanueva | 3 | 3 | |||||||||||||||||||||
| 4 | P Boscardin Dias P Sakamoto | 6 | 6 | 4 | P Boscardin Dias P Sakamoto | 6 | 6 | ||||||||||||||||||||
| C Huertas del Pino AL Lingua Lavallén | 2 | 3 | 4 | P Boscardin Dias P Sakamoto | 6 | 6 | |||||||||||||||||||||
| WC |  E Gómez Luis José Nakamine | 6 | 6 | WC | E Gómez LJ Nakamine | 4 | 4 | ||||||||||||||||||||
| WC | Milledge Cossu Sebastián Rodríguez | 3 | 3 | 4 | P Boscardin Dias P Sakamoto | 5 | 3 | ||||||||||||||||||||
| M Pucinelli de Almeida Nicolas Zanellato | 77 | 7 | H Habib T Hilderbrand | 7 | 6 | ||||||||||||||||||||||
 R Cid Subervi  R Stepanov | 65 | 5 | M Pucinelli de Almeida N Zanellato | 79 | 6 | ||||||||||||||||||||||
| Tomás Farjat Á Guillén Meza | 5 | 2 | 3 | S Watanabe T Yuzuki | 67 | 4 | |||||||||||||||||||||
| 3 | S Watanabe T Yuzuki | 7 | 6 | M Pucinelli de Almeida N Zanellato | 4 | 3 | |||||||||||||||||||||
| Garrett Johns Noah Schachter | 6 | 6 | H Habib T Hilderbrand | 6 | 6 | ||||||||||||||||||||||
 I Carou F Mena | 2 | 4 | G Johns N Schachter | 4 | 6 | [4] | |||||||||||||||||||||
| H Habib T Hilderbrand | 6 | 6 | H Habib T Hilderbrand | 6 | 2 | [10] | |||||||||||||||||||||
| 2 | Emile Hudd D Stevenson | 3 | 3 | ||||||||||||||||||||||||
Guillermo Durán and Roberto Quiroz were the defending champions but only Quiroz chose to defend his title, partnering Yannick Hanfmann. Quiroz lost in the first round to Luis David Martínez and Felipe Meligeni Alves.
Guido Andreozzi and Guillermo Durán were the defending champions but only Durán chose to defend his title, partnering Mariano Kestelboim. Durán lost in the first round to Facundo Mena and Camilo Ugo Carabelli.
Luca Van Assche won the title, defeating Arthur Fils in an all-French final, 6–4, 6–2. This was the first Grand Slam junior tournament with all-French semifinalists.
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Shintaro Mochizuki was the defending champion having won the previous edition in 2019. He participated in the men's singles qualifying, but lost to Tallon Griekspoor in the second round.
Diego Hidalgo and Cristian Rodríguez were the defending champions but lost in the final to Pedro Boscardin Dias and João Lucas Reis da Silva.
Nicolás Barrientos and Alejandro Gómez were the defending champions but chose not to defend their title.
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Ruben Gonzales and Reese Stalder were the defending champions but chose not to defend their title.
Jesper de Jong and Max Houkes were the defending champions but chose not to defend their title.
Jesper de Jong and Bart Stevens were the defending champions but chose not to defend their title.
Orlando Luz and Marcelo Zormann were the defending champions but lost in the first round to Mariano Kestelboim and Juan Bautista Torres.
Pedro Boscardin Dias and João Lucas Reis da Silva were the defending champions but lost in the first round to Boris Arias and Federico Zeballos.
Pedro Boscardin Dias and Gustavo Heide were the defending champions but only Boscardin Dias chose to defend his title, partnering Gabriel Roveri Sidney. They lost in the first round to Luís Britto and Paulo André Saraiva dos Santos.
Guido Andreozzi and Guillermo Durán were the defending champions but chose not to defend their title.
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Luca Margaroli and Santiago Rodríguez Taverna were the defending champions but chose not to defend their title.
Luciano Darderi was the defending champion but chose not to defend his title.
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.
Pedro Boscardin Dias and Gustavo Heide were the defending champions but only Boscardin Dias chose to defend his title, partnering Mateus Alves. They withdrew from the tournament before their first round match.