Stadium: Court 7 Round: 27 Ground: Clay
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2023/08/31 12:55 | Gonzalo Villanueva v Vitor Leal | 7-5,6-2 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2023/08/29 13:00 | Gonzalo Villanueva v Mateo Barreiros Reyes | 6-4,7-5 |
| Challenger Lima | 2023/08/23 17:35 | Gonzalo Villanueva v Renzo Olivo | 6-0,3-6,4-6 |
| Challenger Lima | 2023/08/22 17:45 | Gonzalo Villanueva v Juan C P Angelo | 6-3,1-6,7-5 |
| ITF M25 Trujillo | 2023/08/17 15:00 | Gonzalo Villanueva v Ignacio Carou | 5-7,2-6 |
| ITF M25 Trujillo | 2023/08/15 14:00 | Gonzalo Villanueva v Fermin Tenti | 6-3,6-1 |
| Cordenons, Italy | 2023/08/08 13:45 | Federico Agustin Gomez v Gonzalo Villanueva | 2-6,6-3,7-6 |
| Cordenons, Italy | 2023/08/07 12:05 | Marcello Serafini v Gonzalo Villanueva | 2-6,1-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2023/08/30 17:05 | Mariano Kestelboim v Soares Klier, Gilbert | 2-6,2-6 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/24 13:55 | Daniel Antonio Nunez v Soares Klier, Gilbert | 7-6,6-2 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/23 16:10 | Lautaro Agustin Corthey v Soares Klier, Gilbert | 4-6,2-6 |
| ITF M15 Belem | 2023/08/20 18:30 | Rodrigo Pacheco Mendez v Soares Klier, Gilbert | 6-1,6-0 |
| ITF M15 Belem | 2023/08/19 19:00 | Mateo Barreiros Reyes v Soares Klier, Gilbert | 2-6,3-6 |
| ITF M15 Belem | 2023/08/18 21:20 | Juan Sebastian Osorio v Soares Klier, Gilbert | 1-6,1-6 |
| ITF M15 Belem | 2023/08/17 19:00 | Miguel Angel Cabrera v Soares Klier, Gilbert | 3-6,1-6 |
| ITF - M15 Monastir | 2023/07/23 08:00 | Yassine Dlimi v Soares Klier, Gilbert | 2-6,5-7 |