Stadium: Court 1 Round: 28 Ground: Clay
| ITF - M15 Olavarria | 2023/09/08 14:05 | Mariano Kestelboim v Guido Ivan Justo | 6-3,3-6,1-6 |
| ITF - M15 Olavarria | 2023/09/07 17:30 | Thiago Cigarran v Guido Ivan Justo | 1-6,3-6 |
| ITF - M15 Olavarria | 2023/09/06 14:50 | Ignacio Carou v Guido Ivan Justo | 2-6,1-6 |
| Challenger - Lima | 2023/08/22 18:45 | Guido Ivan Justo v Pedro Sakamoto | 4-6,6-7 |
| Challenger - Lima | 2023/08/21 15:00 | Guido Ivan Justo v Alejandro H Franco | 0-6,6-2,6-1 |
| Challenger - Lima | 2023/08/20 15:00 | Guido Ivan Justo v Noah Schachter | 6-7,6-3,6-3 |
| ITF - M15 Belem | 2023/08/16 17:00 | Guido Ivan Justo v Pedro Rodrigues | 1-6,2-6 |
| ITF - M15 Arequipa | 2023/08/12 17:00 | Alvaro G Meza v Guido Ivan Justo | 6-4,6-3 |
| ITF - M15 Olavarria | 2023/09/08 15:45 | Gilbert S K Junior v Lautaro Midon | 3-6,2-6 |
| ITF - M15 Olavarria | 2023/09/07 20:10 | Santiago Bramajo v Lautaro Midon | 2-6,1-6 |
| ITF - M15 Olavarria | 2023/09/06 16:15 | Lorenzo Gagliardo v Lautaro Midon | 6-7,4-6 |
| ITF - M15 Buenos Aires | 2023/09/03 14:00 | Gilbert S K Junior v Lautaro Midon | 6-2,6-1 |
| ITF - M15 Buenos Aires | 2023/09/02 16:25 | Bruno Kuzuhara v Lautaro Midon | 4-6,2-6 |
| ITF - M15 Buenos Aires | 2023/09/01 15:25 | Lautaro Midon v Adolfo Daniel Vallejo | 6-3,6-4 |
| ITF - M15 Buenos Aires | 2023/08/31 13:00 | Lautaro Midon v Alejo Lorenzo Lingua Lavallen | 4-6,6-2,6-2 |
| ITF - M15 Buenos Aires | 2023/08/30 15:50 | Lautaro Midon v Tomas Martinez | 6-0,6-2 |