| ITF - M15 Bragado | 03/25 12:30 | 44 | Hidalgo, Gabriel Alejandro v Nicolas Bruna | 6-7,6-2,5-10 | |
| ITF M15 Trier | 08/22 12:35 | 25 | Hidalgo, Gabriel Alejandro v Hazem Naw | 2-6,6-4,0-6 | |
| ITF M25 Wetzlar | 08/03 10:35 | 25 | Jakub Nicod v Hidalgo, Gabriel Alejandro | 6-1,7-6 | |
| UTR Pro Hilversum | 06/11 06:00 | - | Sander Jong v Hidalgo, Gabriel Alejandro | 6-1,5-0 | |
| UTR Pro Hilversum | 06/10 10:30 | - | Stijn Pel v Hidalgo, Gabriel Alejandro | 3-6,3-6 | |
| UTR Pro Hilversum | 06/09 09:50 | - | Hidalgo, Gabriel Alejandro v Roland Stuurman | 7-5,6-3 | |
| UTR Pro Hilversum | 06/08 06:00 | - | Hidalgo, Gabriel Alejandro v van Baal, Aloys Johannes Willem | 6-1,6-4 | |
| UTR Pro Hilversum | 06/07 08:13 | - | Jip Van Assendelft v Hidalgo, Gabriel Alejandro | 2-6,3-6 | |
| UTR Pro Hilversum | 06/06 08:09 | - | Mika Berghaus v Hidalgo, Gabriel Alejandro | 6-0,6-4 | |
| UTR Pro Tigre | 04/01 16:30 | - | [473] Hidalgo, Gabriel Alejandro v Franco Emanuel Egea [418] | 2-6,2-5 | |
| UTR Pro Tigre | 03/31 13:30 | - | Mariano Kestelboim v Hidalgo, Gabriel Alejandro | 3-6,3-6 | |
| UTR Pro Tigre | 03/30 13:30 | - | Rocco, Jeremias v Hidalgo, Gabriel Alejandro | 2-6,4-6 | |
| UTR Pro Tigre | 03/28 16:26 | - | [466] Facundo Juarez v Hidalgo, Gabriel Alejandro [473] | 5-7,6-2,0-6 | |
| UTR Pro Tigre | 03/27 18:10 | - | Hidalgo, Gabriel Alejandro v Lautaro Agustin Falabella | 6-4,6-1 | |
| UTR Pro Tigre | 03/23 19:00 | - | Guido Ivan Justo v Hidalgo, Gabriel Alejandro | 6-2,6-2 | |
| UTR Pro Tigre | 03/22 17:30 | - | Hidalgo, Gabriel Alejandro v Lorenzo Joaquin Rodriguez | 6-4,3-6,6-1 | |
| UTR Pro Tigre | 03/21 19:02 | - | Hidalgo, Gabriel Alejandro v Hernando J E Isnardi | 6-4,6-4 | |
| UTR Pro Tigre | 03/20 16:17 | - | Hidalgo, Gabriel Alejandro v Alexander Stater | 6-4,6-3 | |
| ITF M25 Rio Cuarto | 03/08 13:00 | 25 | Hidalgo, Gabriel Alejandro v Murkel Dellien | 1-6,6-7 | |
| ITF M25 Rio Cuarto | 03/07 12:00 | 62 | Hidalgo, Gabriel Alejandro v Paulo A S Dos Santos | 6-4,6-4 | |
| ITF M25 Rio Cuarto | 03/06 14:30 | 62 | Hidalgo, Gabriel Alejandro v Derdoy, Felipe | 6-0,6-2 | |
| ITF M25 Rio Cuarto | 03/05 18:30 | 62 | Hidalgo, Gabriel Alejandro v Postay, Alan | 6-2,6-4 | |
| ITF - M25 Tucuman | 03/02 16:10 | 26 | Thiago Agustin Tirante v Hidalgo, Gabriel Alejandro | 6-7,6-2,6-1 | |
| ITF - M25 Tucuman | 02/28 15:00 | 25 | Nicolas Villalon v Hidalgo, Gabriel Alejandro | 1-6,2-6 | |
| ITF - M25 Tucuman | 02/27 16:00 | 54 | Hidalgo, Gabriel Alejandro v Vitor Leal | 6-3,6-3 | |
| ITF - M25 Tucuman | 02/26 18:00 | 54 | Hidalgo, Gabriel Alejandro v Mateo Del Pino | 7-5,7-6 | |
| ITF M15 Tucuman | 02/24 20:10 | 27 | Genaro Alberto Olivieri v Hidalgo, Gabriel Alejandro | 6-2,6-3 | |
| ITF M15 Tucuman | 02/23 18:15 | 26 | Hidalgo, Gabriel Alejandro v Zukas, Matias | 6-4,5-7,6-4 | |
| ITF M15 Tucuman | 02/22 13:00 | 25 | Hidalgo, Gabriel Alejandro v Lucio Ratti | 7-5,6-2 | |
| UTR Pro Tigre | 02/05 14:30 | - | Hidalgo, Gabriel Alejandro v Guido Ivan Justo | 3-6,7-6,6-1 |