Stadium: Quadra 3 Round: 14 Ground: Clay
| ITF M15 Concepcion | 2023/12/16 13:00 | Gonzalo Villanueva v Facundo Mena | 6-3,6-4 |
| ITF M15 Concepcion | 2023/12/15 13:00 | Gonzalo Villanueva v Ignacio A B Otarola | 6-0,6-1 |
| ITF M15 Concepcion | 2023/12/14 16:05 | Gonzalo Villanueva v Diego F Flores | 6-0,7-6 |
| ITF M15 Concepcion | 2023/12/13 15:05 | Gonzalo Villanueva v Miguel Angel Cabrera | 6-3,6-1 |
| ITF M15 Concepcion | 2023/12/11 18:00 | Gonzalo Villanueva v Fernando Cavallo | 6-2,6-0 |
| ITF M15 Concepcion | 2023/12/08 14:00 | Gonzalo Villanueva v Nicolas Kicker | 3-6,7-6,3-6 |
| ITF M15 Concepcion | 2023/12/07 16:35 | Gonzalo Villanueva v Manuel Mouilleron Salvo | 6-1,7-6 |
| ITF M15 Concepcion | 2023/12/05 14:00 | Gonzalo Villanueva v Nicolas Villalon | 6-1,6-3 |
| ITF M15 Sao Paulo | 2023/08/23 22:35 | Fernando Yamacita v Ignacio A B Otarola | 5-7,6-7 |
| ITF M15 Belem | 2023/08/18 19:00 | Mateo Barreiros Reyes v Fernando Yamacita | 6-4,6-4 |
| ITF M15 Belem | 2023/08/17 17:00 | Daniel Antonio Nunez v Fernando Yamacita | 6-7,0-6 |
| ITF M15 Belem | 2023/08/15 21:10 | Lautaro Agustin Corthey v Fernando Yamacita | 3-6,3-6 |
| ITF M25 Bolzano | 2023/08/02 08:00 | Fernando Yamacita v Nikolay Vylegzhanin | 7-6,3-6,2-6 |
| ITF M25 Bolzano | 2023/08/01 07:00 | Fernando Yamacita v Iacopo Sada | 6-3,6-1 |
| ITF M15 Perugia | 2023/07/28 16:10 | Luca Castagnola v Fernando Yamacita | 6-4,4-6,6-3 |
| ITF M15 Perugia | 2023/07/27 14:40 | Federico Bondioli v Fernando Yamacita | 1-6,4-6 |