Ground: Hardcourt indoor
| Challenger Campinas | 2025/04/01 14:00 | Mariano Kestelboim v Guido Ivan Justo | 7-5,6-1 |
| Challenger Concepcion | 2025/03/28 14:00 | Guido Ivan Justo v Nicolas Kicker | 4-6,6-1,1-6 |
| Challenger Concepcion | 2025/03/26 16:05 | Guido Ivan Justo v Renzo Olivo | 7-5,6-4 |
| Challenger Concepcion | 2025/03/25 16:15 | Yuki Mochizuki v Guido Ivan Justo | 3-6,1-6 |
| Challenger Asuncion | 2025/03/18 22:20 | Juan Pablo Varillas v Guido Ivan Justo | 6-3,6-4 |
| Challenger Santiago | 2025/03/10 16:30 | Guido Ivan Justo v Daniel Antonio Nunez | 6-3,6-1 |
| Challenger Santiago | 2025/03/09 21:25 | Guido Ivan Justo v Conner Huertas Del Pino | 6-3,7-6 |
| Challenger Cordoba | 2025/03/04 15:05 | Daniel Elahi Galan v Guido Ivan Justo | 6-2,6-2 |
| ITF M15 Villa Maria | 2025/03/21 14:00 | Juan Manuel La Serna v Tomas Martinez | 6-4,6-4 |
| ITF M15 Villa Maria | 2025/03/20 14:30 | Tomas Martinez v Sekou Bangoura | 2-6,6-2,6-2 |
| ITF M15 Villa Maria | 2025/03/19 13:00 | Tomas Martinez v Enzo Lima | 6-2,5-3 |
| ITF M25 Asuncion | 2025/03/13 12:30 | Tomas Martinez v Ezequiel Monferrer | 6-4,2-6,2-6 |
| ITF M25 Asuncion | 2025/03/12 11:30 | Hernan Casanova v Tomas Martinez | 6-2,6-7,4-6 |
| ITF M25 Asuncion | 2025/03/10 12:00 | Nicolas Bruna v Tomas Martinez | 2-6,6-1,0-1 |
| ITF M25 Tucuman | 2025/02/26 12:30 | Tomas Martinez v Nicolas Bruna | 6-4,2-6,5-7 |
| ITF M25 Tucuman | 2025/02/24 13:30 | Tomas Martinez v Tadeo David Ramirez | 7-5,6-1 |