| Singles | |
|---|---|
| 2024 Città di Como Challenger | |
| Champion |  Gabriel Debru |
| Runner-up |  Ignacio Buse |
| Score | 6–1, 2–6, 6–3 |
Thiago Seyboth Wild was the defending champion [1] but chose not to defend his title.
Gabriel Debru won the title after defeating Ignacio Buse 6–1, 2–6, 6–3 in the final.
Jozef Kovalík (first round)
Stefano Napolitano (first round)
Gustavo Heide (first round) Francesco Passaro (second round) Juan Pablo Varillas (withdrew)
Dmitry Popko (first round)
Benjamin Hassan (first round)
Zsombor Piros (quarterfinals)| Semifinals | Final | ||||||||||||
| Gabriel Debru | 77 | 6 | |||||||||||
| Stefano Travaglia | 64 | 3 | |||||||||||
| Gabriel Debru | 6 | 2 | 6 | ||||||||||
| Ignacio Buse | 1 | 6 | 3 | ||||||||||
| Alt | Alex Molčan | 6 | 2 | 2 | |||||||||
| Ignacio Buse | 4 | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | J Kovalík | 2 | 6 | 4 | |||||||||||||||||||||||
| Q |  N Basilashvili | 6 | 2 | 6 | Q | N Basilashvili | 1 | 1r | |||||||||||||||||||
| PR |  K Nishikori | 6 | 6 | PR | K Nishikori | 6 | 3 | ||||||||||||||||||||
| Samuel Vincent Ruggeri | 2 | 1 | PR | K Nishikori | |||||||||||||||||||||||
 FC Jianu | 7 | 1 | 6 | G Debru | w/o | ||||||||||||||||||||||
| Q |  Svyatoslav Gulin | 5 | 6 | 4 | FC Jianu | 65 | 2 | ||||||||||||||||||||
| G Debru | 6 | 77 | G Debru | 77 | 6 | ||||||||||||||||||||||
| 7 | B Hassan | 2 | 65 | G Debru | 77 | 6 | |||||||||||||||||||||
| 4 | F Passaro | 6 | 4 | 6 | S Travaglia | 64 | 3 | ||||||||||||||||||||
 Filip Jeff Planinšek | 2 | 6 | 4 | 4 | F Passaro | 6 | 4 | 4 | |||||||||||||||||||
| Q |  MH Rehberg | 3 | 63 |  GA Olivieri | 4 | 6 | 6 | ||||||||||||||||||||
| GA Olivieri | 6 | 77 | GA Olivieri | 6 | 5 | 1 | |||||||||||||||||||||
| WC | Federico Bondioli | 7 | 6 | S Travaglia | 3 | 7 | 6 | ||||||||||||||||||||
| Q |  V Sachko | 5 | 2 | WC | F Bondioli | 2 | 4 | ||||||||||||||||||||
| S Travaglia | 6 | 77 | S Travaglia | 6 | 6 | ||||||||||||||||||||||
| 6 | D Popko | 2 | 63 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | Z Piros | 6 | 77 | ||||||||||||||||||||||||
| G Bueno | 1 | 62 | 8 | Z Piros | 6 | 6 | |||||||||||||||||||||
| WC | R Brancaccio | 4 | 78 | 6 | WC | R Brancaccio | 4 | 3 | |||||||||||||||||||
| Q | M Pucinelli de Almeida | 6 | 66 | 2 | 8 | Z Piros | 77 | 3 | 2 | ||||||||||||||||||
 R Bertola | 3 | Alt | A Molčan | 64 | 6 | 6 | |||||||||||||||||||||
| B Paire | 2r | R Bertola | 5 | 6 | 2 | ||||||||||||||||||||||
| Alt | A Molčan | 6 | 6 | Alt | A Molčan | 7 | 3 | 6 | |||||||||||||||||||
| 3 | G Heide | 2 | 2 | Alt | A Molčan | 6 | 2 | 2 | |||||||||||||||||||
| LL | Alexander Weis | 4 | 6 | 4 | I Buse | 4 | 6 | 6 | |||||||||||||||||||
 F Misolic | 6 | 3 | 6 | F Misolic | 4 | 2 | |||||||||||||||||||||
| WC | M Cecchinato | 4 | 1 | I Buse | 6 | 6 | |||||||||||||||||||||
| I Buse | 6 | 6 | I Buse | 4 | 6 | 6 | |||||||||||||||||||||
| Q | V Aboian | 6 | 7 | Q | V Aboian | 6 | 4 | 1 | |||||||||||||||||||
| F Arnaboldi | 4 | 5 | Q | V Aboian | 6 | 6 | |||||||||||||||||||||
| Alt |  A Paulson | 77 | 4 | 6 | Alt | A Paulson | 2 | 1 | |||||||||||||||||||
| 2 | S Napolitano | 64 | 6 | 3 | |||||||||||||||||||||||
Kenneth Raisma and Stefanos Tsitsipas were the defending champions but both players were no longer eligible to participate in junior events.
Juan Carlos Aguilar and Felipe Meligeni Alves were the defending champions, but both players were ineligible to participate.
Ondřej Štyler and Naoki Tajima won the boys' doubles tennis title at the 2018 French Open, defeating Ray Ho and Tseng Chun-hsin in the final, 6–4, 6–4.
Wu Yibing was the defending champion, but was no longer eligible to participate in junior tournaments.
Hsu Yu-hsiou and Wu Yibing were the defending champions, but both players were no longer eligible to participate in junior tournaments.
David Marrero and Fernando Verdasco were the defending champions, but Verdasco chose not to defend the title and Marrero chose to compete in Marseille instead.
Gianluca Mager was the defending champion but chose not to defend his title.
Thiago Seyboth Wild was the defending champion but chose not to defend his title.
Ilya Ivashka was the defending champion but chose not to defend his title.
Diego Schwartzman defeated Francisco Cerúndolo in the final, 6–1, 6–2 to win the men's singles tennis title at the 2021 Argentina Open.
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.
Alexander Zverev defeated top seed Stefanos Tsitsipas in the final, 6–4, 7–6(7–3) to win the men's singles tennis title at the 2021 Mexican Open.
Brandon Nakashima was the defending champion but chose not to defend his title.
Emilio Gómez was the defending champion but chose not to defend his title.
Benoît Paire was the defending champion from when the event was last held in 2019, but chose to participate in Geneva instead.
Andrey Rublev was the defending champion, but chose to not defend his title as he and other Russian Olympic athletes were sent to Yuzhno-Sakhalinsk for training sessions.
Carlos Berlocq was the defending champion but chose not to defend his title.
Casper Ruud defeated the defending champion Diego Schwartzman in the final, 5–7, 6–2, 6–3 to win the singles title at the 2022 Argentina Open.
Cedrik-Marcel Stebe was the defending champion but chose not to defend his title.
Thiago Seyboth Wild was the defending champion but chose not to defend his title.