Stadium: Cancha 2 Round: 19 Ground: Clay
| ITF M15 Santa Cruz | 2023/11/30 23:10 | Juan Carlos Prado Angelo v Guido Ivan Justo | 7-6,6-0 |
| ITF M15 Santa Cruz | 2023/11/28 21:50 | Joao Victor C Loureiro v Guido Ivan Justo | 1-6,3-6 |
| ITF M15 Rosario | 2023/11/07 15:00 | Matias Franco Descotte v Guido Ivan Justo | 6-3,6-3 |
| ITF M15 Monastir | 2023/10/28 08:30 | Guido Ivan Justo v Olaf Pieczkowski | 6-1,6-7,3-6 |
| ITF M15 Monastir | 2023/10/26 12:30 | Jaka Protic Zakelj v Guido Ivan Justo | 1-6,0-6 |
| ITF M15 Monastir | 2023/10/25 12:30 | Noel Larwig v Guido Ivan Justo | 6-7,2-6 |
| ITF M15 Castellon | 2023/10/21 08:40 | Guido Ivan Justo v Miguel Damas | 6-3,6-2 |
| ITF M15 Castellon | 2023/10/20 10:00 | Guido Ivan Justo v Georgii Kravchenko | 7-5,6-4 |
| Challenger Guayaquil | 2023/10/29 15:00 | Marcos L C Baratau v Nicolas Zanellato | 0-6,3-6 |
| Challenger Salinas | 2023/07/23 15:00 | Marcos L C Baratau v Tristan Boyer | 2-6,2-6 |
| Challenger Salinas | 2022/04/03 15:00 | Marcos L C Baratau v Benjamin Lock | 0-6,0-6 |