Stadium: Court 6 Round: 27 Ground: Clay
| ITF M25 Punta del Este | 2024/02/08 13:00 | Eduardo Ribeiro v Guido Ivan Justo | 6-7,2-6 |
| ITF M25 Punta del Este | 2024/02/06 16:30 | Ignacio Monzon v Guido Ivan Justo | 4-6,6-4,2-6 |
| ITF M15 Santa Cruz | 2023/11/30 23:10 | Juan C P 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 M25 Punta del Este | 2024/02/08 15:05 | Daniel Dutra Da Silva v Gonzalo Bueno | 6-2,2-6,3-6 |
| ITF M25 Punta del Este | 2024/02/07 14:55 | Joaquin Aguillar Cardozo v Gonzalo Bueno | 2-6,0-6 |
| Challenger Punta del Este | 2024/01/21 19:20 | Carlos Sanchez Jover v Gonzalo Bueno | 3-6,6-4,6-2 |
| Challenger Buenos Aires | 2024/01/17 18:35 | Mariano Navone v Gonzalo Bueno | 6-3,6-2 |
| Challenger Buenos Aires | 2024/01/14 16:00 | Dmitry Popko v Gonzalo Bueno | 4-6,6-2,6-7 |
| Challenger Buenos Aires | 2024/01/13 14:00 | Gonzalo Bueno v Joao Lucas Reis da Silva | 6-4,6-4 |
| Challenger Buenos Aires | 2024/01/12 14:55 | Gonzalo Bueno v Max Houkes | 6-1,6-4 |
| Challenger Buenos Aires | 2024/01/11 16:15 | Renzo Olivo v Gonzalo Bueno | 5-7,2-6 |