| ITF M25 Rosario | 03/27 15:00 | 62 | Gabriel Alejandro Hidalgo v Ignacio Cuzzani | 6-4,6-1 | |
| ITF M15 Lambare | 12/19 11:55 | 29 | Gabriel Alejandro Hidalgo v Ignacio Monzon | 6-1,6-3 | |
| ITF M15 Lambare | 12/18 13:50 | 28 | Valerio Aboian v Gabriel Alejandro Hidalgo | 4-6,4-6 | |
| ITF M15 Lambare | 12/17 20:35 | 27 | Juan Borba v Gabriel Alejandro Hidalgo | 6-7,1-6 | |
| ITF M15 Lambare | 12/16 13:00 | 26 | Francisco Llanes v Gabriel Alejandro Hidalgo | 4-6,3-6 | |
| ITF M15 Lambare | 12/15 18:20 | 25 | Ezequiel Simonit v Gabriel Alejandro Hidalgo | 3-6,6-2,2-6 | |
| ITF M25 Rio Cuarto | 12/10 16:00 | 26 | Gabriel Alejandro Hidalgo v Juan Bautista Torres | 2-6,2-6 | |
| ITF M25 Rio Cuarto | 12/08 18:40 | 25 | Gabriel Alejandro Hidalgo v Ignacio Monzon | 7-6,5-7,6-2 | |
| ITF M25 Villa Allende | 11/30 14:30 | 25 | Gabriel Alejandro Hidalgo v Mariano Navone | 3-6,1-6 | |
| ITF M15 Cordoba | 11/25 14:30 | 26 | Gabriel Alejandro Hidalgo v Mariano Navone | 2-6,6-2,1-6 | |
| ITF M15 Cordoba | 11/23 16:00 | 25 | Gabriel Alejandro Hidalgo v Luciano Emanuel Ambrogi | 6-4,6-4 | |
| ITF M15 Oldenzaal | 08/18 15:00 | 25 | Petros Tsitsipas v Gabriel Alejandro Hidalgo | 7-5,6-2 | |
| ITF M15 Oldenzaal | 08/17 08:15 | 62 | Gabriel Alejandro Hidalgo v Felipe Derdoy | 6-2,6-1 | |
| ITF M15 Oldenzaal | 08/15 12:00 | 62 | Gabriel Alejandro Hidalgo v Roland Stuurman | 6-2,2-6,10-4 | |
| ITF M25 Wetzlar | 08/04 09:55 | 25 | Dayne Kelly v Gabriel Alejandro Hidalgo | 6-7,6-2,6-4 | |
| ITF M25 Wetzlar | 08/03 08:55 | 54 | Gabriel Alejandro Hidalgo v Dominik Recek | 6-2,6-3 | |
| ITF M25 Wetzlar | 08/02 09:30 | 54 | Gabriel Alejandro Hidalgo v Julien Penzlin | 6-1,7-5 | |
| ITF M15 Esch/Alzette | 07/23 09:00 | 28 | Gabriel Alejandro Hidalgo v Nicholas D Ionel | 4-6,0-6 | |
| ITF M15 Esch/Alzette | 07/22 10:00 | 27 | Gabriel Alejandro Hidalgo v Alexander Weis | 6-2,6-7,7-5 | |
| ITF M15 Esch/Alzette | 07/21 08:55 | 26 | Dan Added v Gabriel Alejandro Hidalgo | 6-2,4-6,4-6 | |
| ITF M15 Esch/Alzette | 07/19 16:00 | 25 | Gabriel Alejandro Hidalgo v Ugo Nastasi | Retired | |
| ITF M15 Cordoba | 04/07 15:15 | 25 | Francisco Comesana v Gabriel Alejandro Hidalgo | Retired | |
| ITF M25 Hurlingham | 03/03 13:00 | 44 | Gabriel Alejandro Hidalgo v Jose Pereira | 2-6,6-7 | |
| ITF M25 Hurlingham | 03/01 13:00 | 44 | Gabriel Alejandro Hidalgo v Louroi Martinez | 6-2,6-4 | |
| ITF M25 Rio Cuarto | 02/27 23:00 | 26 | Gabriel Alejandro Hidalgo v Facundo Arguello | 3-6,2-6 | |
| ITF M25 Rio Cuarto | 02/26 16:30 | 25 | Gabriel Alejandro Hidalgo v Felipe Derdoy | 6-2,6-2 | |
| ITF M25 Rio Cuarto | 02/25 13:00 | 44 | Gabriel Alejandro Hidalgo v Lautaro Agustin Falabella | 6-2,6-3 | |
| ITF M25 Rio Cuarto | 02/24 17:30 | 44 | Gabriel Alejandro Hidalgo v Bautista Vilicich | 6-2,6-4 | |
| ITF M15 Maldonado | 11/30 13:30 | 28 | Gabriel Alejandro Hidalgo v Santiago F R Taverna | 4-6,7-6,3-6 | |
| ITF M15 Maldonado | 11/29 13:00 | 27 | Santiago Besada v Gabriel Alejandro Hidalgo | 4-6,2-6 |