| ITF Brazil F3 | 07/17 13:00 | 29 | Gabriel Alejandro Hidalgo v Ricardo Hocevar | 6-3,6-4 | |
| ITF Brazil F3 | 07/16 17:00 | 28 | Fernando Yamacita v Gabriel Alejandro Hidalgo | 3-6,3-6 | |
| ITF Brazil F3 | 07/15 17:00 | 27 | Gabriel Alejandro Hidalgo v Federico Nicolas Bertucci | 7-5,6-0 | |
| ITF Brazil F3 | 07/14 19:45 | 26 | Gabriel Alejandro Hidalgo v Leonardo Civita-Telles | 6-7,6-4,6-4 | |
| ITF Brazil F3 | 07/12 13:00 | 25 | Gabriel Alejandro Hidalgo v Pedro Iamachkine | 6-2,6-1 | |
| ITF Brazil F2 | 07/07 19:45 | 27 | Tiago Lopes v Gabriel Alejandro Hidalgo | 6-2,6-4 | |
| ITF Brazil F2 | 07/05 20:00 | 25 | Gustavo De O Cruz v Gabriel Alejandro Hidalgo | 5-7,3-6 | |
| ITF Brazil F1 | 06/30 14:00 | 27 | Ricardo Hocevar v Gabriel Alejandro Hidalgo | 6-4,6-2 | |
| ITF Brazil F1 | 06/29 13:00 | 26 | Agustin Suarez Gonzalez v Gabriel Alejandro Hidalgo | 7-5,1-6,1-6 | |
| ITF Brazil F1 | 06/28 18:20 | 25 | Fermin Peralta Martinez v Gabriel Alejandro Hidalgo | 2-6,4-6 | |
| ITF Argentina F9 | 05/30 22:00 | 25 | Maximiliano Estevez v Gabriel Alejandro Hidalgo | 6-3,6-4 | |
| ITF Argentina F8 | 05/24 22:00 | 26 | Daniel Dutra Da Silva v Gabriel Alejandro Hidalgo | 6-3,6-0 | |
| ITF Argentina F8 | 05/22 22:00 | 25 | Brian Orradre v Gabriel Alejandro Hidalgo | 3-6,5-7 | |
| ITF Argentina F7 | 05/19 16:15 | 27 | Hernan Casanova v Gabriel Alejandro Hidalgo | 6-4,6-2 | |
| ITF Argentina F7 | 05/18 17:30 | 26 | Gabriel Alejandro Hidalgo v Gaston-Arturo Grimolizzi | 6-3,6-2 | |
| ITF Argentina F7 | 05/17 15:50 | 25 | Gerardo Irarrazabal v Gabriel Alejandro Hidalgo | 3-6,5-7 | |
| ITF Argentina F6 | 05/12 18:10 | 26 | Gabriel Alejandro Hidalgo v Juan Ignacio Galarza | 4-6,4-6 | |
| ITF Argentina F6 | 05/10 13:10 | 25 | Rafael Matos v Gabriel Alejandro Hidalgo | 3-6,4-6 | |
| ITF Argentina F5 | 05/06 18:10 | 28 | Gabriel Alejandro Hidalgo v Juan Ignacio Galarza | 6-4,2-6,4-6 | |
| ITF Argentina F5 | 05/05 13:00 | 27 | Nicolas Santos v Gabriel Alejandro Hidalgo | 7-5,6-7,4-6 | |
| ITF Argentina F5 | 05/04 14:45 | 26 | Camilo Ugo Carabelli v Gabriel Alejandro Hidalgo | 3-6,3-6 | |
| ITF Argentina F5 | 05/02 17:30 | 25 | Gabriel Alejandro Hidalgo v Andrea Collarini | 6-3,6-4 | |
| ITF Argentina F3 | 03/15 12:00 | 25 | Gabriel Alejandro Hidalgo v Juan Pablo Paz | 7-6,6-7,2-6 | |
| ITF Argentina F3 | 03/14 12:00 | 62 | Gabriel Alejandro Hidalgo v Federico Moreno | 7-6,6-4 | |
| ITF Argentina F3 | 03/13 13:00 | 62 | Gabriel Alejandro Hidalgo v David Fleming | Retired | |
| ITF Argentina F2 | 03/07 15:30 | 25 | Gabriel Alejandro Hidalgo v Juan Ignacio Galarza | 1-6,0-6 | |
| ITF Brazil F9 | 11/17 12:00 | 25 | Jose Pereira v Gabriel Alejandro Hidalgo | 6-4,6-3 | |
| ITF Brazil F8 | 11/10 13:50 | 25 | Gabriel Alejandro Hidalgo v Daniel Dutra Da Silva | 2-6,2-6 | |
| ITF Brazil F7 | 11/05 13:00 | 26 | Carlos E. Severino v Gabriel Alejandro Hidalgo | 6-2,3-6,6-3 | |
| ITF Brazil F7 | 11/03 12:00 | 25 | Augusto Laranja v Gabriel Alejandro Hidalgo | 6-7,6-7 |