Stadium: Quadra 3 Round: 14 Ground: Clay
| ITF - M15 Olavarria | 2023/09/06 14:50 | Ignacio Carou v Guido Ivan Justo | 2-6,1-6 |
| Challenger - Concepcion | 2024/04/22 17:45 | Guido Ivan Justo v Juan Pablo Ficovich | 0-6,7-6,3-6 |
| Challenger - San Miguel de Tucuman | 2024/04/18 15:50 | Valerio Aboian v Guido Ivan Justo | 6-4,7-5 |
| Challenger - San Miguel de Tucuman | 2024/04/16 20:00 | Maximo Zeitune v Guido Ivan Justo | 6-4,3-6,0-6 |
| Challenger - Florianopolis | 2024/03/31 15:15 | Daniel V C Rebelo v Guido Ivan Justo | 1-6,0-6 |
| Challenger - São Leopoldo | 2024/03/25 16:35 | Bruno Kuzuhara v Guido Ivan Justo | 7-6,2-6,6-3 |
| Challenger - São Leopoldo | 2024/03/24 17:20 | Gustavo Giudici v Guido Ivan Justo | 0-6,2-6 |
| Challenger - Santiago | 2024/03/11 13:00 | Mariano Kestelboim v Guido Ivan Justo | 6-2,4-6,6-1 |
| Challenger - Santiago | 2024/03/10 15:25 | Nicolas Bruna v Guido Ivan Justo | 0-6,1-6 |
| Challenger - San Miguel de Tucuman | 2024/04/16 14:50 | Mariano Kestelboim v Ignacio Carou | 6-3,6-1 |
| Challenger - San Miguel de Tucuman | 2024/04/15 13:00 | Ignacio Carou v Tobias Franco | 6-7,7-6,6-3 |
| Challenger - San Miguel de Tucuman | 2024/04/14 14:00 | Ignacio Carou v Jose Fernandez | 6-3,6-2 |
| Challenger - Florianopolis | 2024/03/31 16:05 | Daniel Cukierman v Ignacio Carou | 6-1,6-3 |
| Challenger - Asuncion | 2024/03/17 20:55 | Gonzalo Villanueva v Ignacio Carou | 6-1,6-1 |
| ITF - M15 Punta del Este | 2024/03/16 13:00 | Ignacio Carou v Juan Manuel La Serna | 5-7,0-6 |
| ITF - M15 Punta del Este | 2024/03/15 14:15 | Ignacio Carou v Mateo Del Pino | 6-4,7-6 |
| ITF - M15 Punta del Este | 2024/03/13 19:50 | Ignacio Carou v Alberto Odiseo Alvarado Berrospi | 6-4,7-5 |