| ITF Chile F1 | 11/13 15:50 | 25 | Grimolizzi, Gaston-Arturo v Panta Herreros, Jorge Brian | 6-3,6-7,5-7 | |
| ITF Chile F1 | 11/10 16:30 | 44 | Yapur, Jose Elias v Grimolizzi, Gaston-Arturo | 1-6,0-6 | |
| ITF Argentina F7 | 09/09 17:30 | 62 | Grimolizzi, Gaston-Arturo v Espin Busleiman, Geronimo | 4-6,1-6 | |
| ITF Argentina F6 | 09/02 12:00 | 54 | Grimolizzi, Gaston-Arturo v Arreche, Nicolas Alberto | 3-6,6-4,2-6 | |
| ITF Argentina F5 | 08/29 13:00 | 25 | Grimolizzi, Gaston-Arturo v Vernier, Michel | 7-6,6-7,2-6 | |
| ITF Argentina F1 | 06/06 19:35 | 25 | Grimolizzi, Gaston-Arturo v Zukas, Matias | Retired | |
| Turkey F12, Singles Qualifying | 03/30 09:05 | 26 | Marsel Ilhan v Grimolizzi, Gaston-Arturo | 6-4,6-3 | |
| Turkey F12, Singles Qualifying | 03/29 08:50 | 25 | Kirill Kivattsev v Grimolizzi, Gaston-Arturo | 6-7,4-6 | |
| ITF Turkey F11 | 03/20 07:30 | 62 | Grimolizzi, Gaston-Arturo v Kirill Kivattsev | 1-6,0-6 | |
| ITF Turkey F11 | 03/19 07:00 | 62 | Grimolizzi, Gaston-Arturo v Mert Naci Turker | 6-0,6-4 | |
| Turkey F10, Singles Qualifying | 03/13 07:00 | 62 | Grimolizzi, Gaston-Arturo v Felipe Meligeni Rodrigues Alves | 6-7,5-7 | |
| ITF Turkey F13 | 03/04 07:00 | 62 | Adrian Andreev v Grimolizzi, Gaston-Arturo | 7-5,6-4 | |
| ITF Chile F6 | 12/06 19:15 | 25 | Grimolizzi, Gaston-Arturo v Juan Pablo Paz | 3-6,3-6 | |
| ITF Argentina F13 | 11/08 16:10 | 25 | Olivieri, Genaro Alberto v Grimolizzi, Gaston-Arturo | Retired | |
| ITF Argentina F12 | 11/01 23:00 | 26 | Severino, Carlos Eduardo v Grimolizzi, Gaston-Arturo | 6-3,6-3 | |
| ITF Argentina F12 | 10/31 23:00 | 25 | Grimolizzi, Gaston-Arturo v Hidalgo, Gabriel Alejandro | 6-4,6-3 | |
| ITF Argentina F11 | 10/26 14:30 | 26 | Grimolizzi, Gaston-Arturo v Gonzalo Villanueva | 6-4,3-6,2-6 | |
| ITF Argentina F11 | 10/25 15:50 | 25 | Grimolizzi, Gaston-Arturo v Vittar, Francisco | 7-5,2-6,6-3 | |
| Challenger Santiago 2 Qual | 10/15 13:30 | 45 | Juan Pablo Ficovich v Grimolizzi, Gaston-Arturo | 6-2,6-3 | |
| ITF Egypt F27 | 10/06 16:00 | 26 | Grimolizzi, Gaston-Arturo v Lloyd Harris | 1-6,2-6 | |
| ITF Egypt F27 | 10/04 16:00 | 25 | Grimolizzi, Gaston-Arturo v Winkler, Georg | 6-1,6-1 | |
| ITF Egypt F26 | 09/29 09:30 | 26 | Grimolizzi, Gaston-Arturo v Pospisil, Jaroslav | 2-6,0-6 | |
| ITF Egypt F26 | 09/28 08:55 | 25 | Feitt, Franco v Grimolizzi, Gaston-Arturo | 1-6,0-6 | |
| ITF Egypt F25 | 09/21 07:30 | 25 | Grimolizzi, Gaston-Arturo v Pospisil, Jaroslav | 1-6,4-6 | |
| ITF Egypt F24 | 09/17 08:00 | 28 | Pospisil, Jaroslav v Grimolizzi, Gaston-Arturo | 6-4,6-7,6-3 | |
| ITF Egypt F24 | 09/16 08:00 | 27 | Grimolizzi, Gaston-Arturo v Abdel-Aziz, Mohamed | 6-4,6-1 | |
| ITF Egypt F24 | 09/15 08:00 | 26 | Sorour, Mohamed v Grimolizzi, Gaston-Arturo | 0-6,0-6 | |
| ITF Egypt F24 | 09/14 09:40 | 25 | El Sayed, Ashraf v Grimolizzi, Gaston-Arturo | 0-6,0-6 | |
| Challenger Cali 2 Qual | 07/03 14:30 | 45 | Grimolizzi, Gaston-Arturo v Montero, Jorge | 3-6,1-6 | |
| ITF Colombia F3 | 06/30 16:00 | 27 | Gonzalo Villanueva v Grimolizzi, Gaston-Arturo | 6-0,7-6 |