| ITF Colombia F3 | 06/28 14:30 | 25 | Gaston-Arturo Grimolizzi v Facundo Mena | 6-3,6-4 | |
| ITF Colombia F2 | 06/21 15:00 | 25 | Matias Zukas v Gaston-Arturo Grimolizzi | 6-4,6-2 | |
| ITF Colombia F1 | 06/14 19:25 | 25 | Gaston-Arturo Grimolizzi v Roberto Cid Subervi | 7-5,4-6,2-6 | |
| ITF Argentina F8 | 05/24 22:00 | 26 | Gaston-Arturo Grimolizzi v Federico Coria | Retired | |
| ITF Argentina F8 | 05/23 22:00 | 25 | Gaston-Arturo Grimolizzi v Santiago Villarruel | 6-0,6-1 | |
| ITF Argentina F7 | 05/18 17:30 | 26 | Gabriel Alejandro Hidalgo v Gaston-Arturo Grimolizzi | 6-3,6-2 | |
| ITF Argentina F6 | 05/12 19:00 | 26 | Marcelo Zormann v Gaston-Arturo Grimolizzi | 7-6,6-4 | |
| ITF Argentina F6 | 05/10 15:10 | 25 | Franco Emanuel Egea v Gaston-Arturo Grimolizzi | 2-6,5-7 | |
| ITF Argentina F5 | 05/02 17:00 | 25 | Gaston-Arturo Grimolizzi v Juan Ignacio Galarza | 3-6,3-6 | |
| ITF Argentina F3 | 03/16 16:50 | 26 | Gaston-Arturo Grimolizzi v Tomas Lipovsek Puches | 4-6,6-7 | |
| ITF Argentina F3 | 03/15 15:45 | 25 | Daniel Dutra Da Silva v Gaston-Arturo Grimolizzi | 6-3,6-7,4-6 | |
| ITF Argentina F2 | 03/09 15:40 | 26 | Gaston-Arturo Grimolizzi v Hugo Dellien | 1-6,2-6 | |
| ITF Argentina F2 | 03/08 16:45 | 25 | Gaston-Arturo Grimolizzi v Facundo Juarez | 6-3,6-1 | |
| ITF Italy F31 | 11/07 12:45 | - | Riccardo Sinicropi v Gaston-Arturo Grimolizzi | 6-4,7-6 | |
| ITF Italy F31 | 11/05 10:25 | - | Filippo Borella v Gaston-Arturo Grimolizzi | 1-6,3-6 | |
| ITF Italy F31 | 10/29 08:00 | - | Gaston-Arturo Grimolizzi v Gianluca Mager | 3-6,2-6 | |
| ITF Italy F31 | 10/28 10:40 | - | Gaston-Arturo Grimolizzi v Marco De Rossi | 6-2,6-2 | |
| ITF Italy F36 | 10/15 09:15 | - | Gaston-Arturo Grimolizzi v Antonio Campo | 6-1,3-6,4-6 | |
| ITF Italy F36 | 10/14 12:10 | - | Maxime Hamou v Gaston-Arturo Grimolizzi | 5-7,6-2,2-6 | |
| ITF Italy F35 | 10/07 07:30 | - | Gaston-Arturo Grimolizzi v Maxime Chazal | 4-6,3-6 | |
| ITF Argentina F8 | 09/11 15:40 | - | Nicolas Kicker v Gaston-Arturo Grimolizzi | 6-2,6-1 | |
| ITF Argentina F8 | 09/10 13:00 | - | Gonzalo Villanueva v Gaston-Arturo Grimolizzi | 5-7,6-7 | |
| ITF Argentina F8 | 09/09 13:00 | - | Brian Orradre v Gaston-Arturo Grimolizzi | 0-6,4-6 | |
| ITF Romania F5 | 06/26 07:00 | - | Gaston-Arturo Grimolizzi v Dragos Dima | 3-6,0-6 | |
| ITF Egypt F33 | 05/16 07:30 | - | Gaston-Arturo Grimolizzi v Karim-Mohamed Maamoun | 2-6,3-6 | |
| ITF Egypt F33 | 05/15 07:30 | - | Karim Hossam v Gaston-Arturo Grimolizzi | 3-6,4-6 | |
| ITF Egypt F33 | 05/10 08:00 | - | Pietro Rondoni v Gaston-Arturo Grimolizzi | 7-6,3-6,6-3 | |
| ITF Egypt F33 | 05/09 08:00 | - | Gaston-Arturo Grimolizzi v Riccardo Bonadio | 6-1,6-2 | |
| ITF Egypt F33 | 05/08 09:25 | - | Issam Haitham Taweel v Gaston-Arturo Grimolizzi | 4-6,2-6 | |
| ITF Egypt F33 | 05/06 07:30 | - | Luciano Betella v Gaston-Arturo Grimolizzi | 3-6,0-6 |