Stadium: Stadium Round: 29 Ground: Clay
| ITF M15 Arequipa | 2023/08/11 23:30 | Alvaro Guillen Meza v Ignacio A B Otarola | 6-0,6-2 |
| ITF M15 Arequipa | 2023/08/10 16:00 | Alvaro Guillen Meza v Juan Manuel La Serna | 6-4,6-4 |
| ITF M15 Arequipa | 2023/08/09 16:00 | Alvaro Guillen Meza v Josue Guzman | 6-1,6-2 |
| ITF M15 Arequipa | 2023/08/08 14:30 | Alvaro Guillen Meza v Lucio Ratti | 6-2,6-4 |
| Challenger Salinas | 2023/07/25 18:50 | Evgeny Donskoy v Alvaro Guillen Meza | 6-4,2-6,6-3 |
| Challenger Santa Fe | 2023/07/07 16:50 | Francisco Comesana v Alvaro Guillen Meza | 6-0,7-6 |
| Challenger Santa Fe | 2023/07/06 14:40 | Matias Soto v Alvaro Guillen Meza | 3-6,1-6 |
| Challenger Santa Fe | 2023/07/04 17:35 | Alvaro Guillen Meza v Gustavo Heide | 6-4,6-4 |
| ITF M15 Arequipa | 2023/08/11 21:00 | Daniel Antonio Nunez v Guido Ivan Justo | 6-7,4-6 |
| ITF M15 Arequipa | 2023/08/10 16:00 | Guido Ivan Justo v Tomas Farjat | 7-6,3-6,7-6 |
| ITF M15 Arequipa | 2023/08/09 17:00 | Guido Ivan Justo v Juan Estevez | 3-6,6-1,6-1 |
| ITF M15 Arequipa | 2023/08/08 16:10 | Guido Ivan Justo v Nicolas Buitrago | 6-4,6-2 |
| Challenger Santa Fe | 2023/07/04 15:50 | Francisco Comesana v Guido Ivan Justo | 6-2,6-4 |
| ITF M25 Rosario | 2023/06/30 18:40 | Tomas Farjat v Guido Ivan Justo | 3-6,6-3,6-4 |
| ITF M25 Rosario | 2023/06/29 15:20 | Gonzalo Zeitune v Guido Ivan Justo | 1-6,2-6 |
| ITF M25 Rosario | 2023/06/27 17:45 | Juan Manuel La Serna v Guido Ivan Justo | 0-6,6-7 |