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