Ground: Clay
| Challenger Santiago | 2025/03/10 16:30 | Guido Ivan Justo v Daniel Antonio Nunez | 6-3,6-1 |
| ITF M15 Neuquen | 2024/05/16 13:00 | Daniel Antonio Nunez v Guido Ivan Justo | 4-6,2-6 |
| ITF M15 Arequipa | 2023/08/11 21:00 | Daniel Antonio Nunez v Guido Ivan Justo | 6-7,4-6 |
| 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 |
| Challenger Campinas | 2025/04/01 14:00 | Daniel Antonio Nunez v Gonzalo Bueno | 2-6,6-4,3-6 |
| Challenger Campinas | 2025/03/31 15:25 | Joao Eduardo Schiessl v Daniel Antonio Nunez | 0-6,5-7 |
| Challenger Campinas | 2025/03/30 17:55 | Ignacio Carou v Daniel Antonio Nunez | 2-6,2-6 |
| Challenger Concepcion | 2025/03/23 15:30 | Pedro Boscardin Dias v Daniel Antonio Nunez | 6-1,6-4 |
| Challenger Santiago | 2025/03/10 16:30 | Guido Ivan Justo v Daniel Antonio Nunez | 6-3,6-1 |
| Challenger Santiago | 2025/03/09 19:20 | Daniel Antonio Nunez v Jose Pereira | 4-6,7-5,6-4 |
| ITF M15 Santiago | 2025/01/18 13:00 | Hernan Casanova v Daniel Antonio Nunez | 5-7,6-3,6-4 |
| ITF M15 Santiago | 2025/01/17 14:30 | Lorenzo Joaquin Rodriguez v Daniel Antonio Nunez | 7-5,3-6,4-6 |