Stadium: Centre Court Round: 26 Ground: Clay
| ITF Argentina F13 | 2016/11/10 13:00 | Mariano Kestelboim v Juan Ignacio Galarza | 5-7,6-2,3-6 |
| ITF Argentina F8 | 2016/05/24 22:00 | Mariano Kestelboim v Juan Ignacio Galarza | 1-6,6-1,1-6 |
| ITF Argentina F9 | 2015/08/20 16:45 | Mariano Kestelboim v Juan Ignacio Galarza | 3-6,2-6 |
| ITF Argentina F4 | 2015/05/06 13:00 | Juan Ignacio Galarza v Mariano Kestelboim | 2-6,6-4,4-6 |
| ITF Chile F5 | 2015/04/22 13:30 | Mariano Kestelboim v Juan Ignacio Galarza | 0-6,5-7 |
| ITF M25 Ueberlingen | 2021/08/17 15:00 | Mariano Kestelboim v Ryan Harrison | 3-6,6-4,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/13 09:50 | Mariano Kestelboim v Yshai Oliel | 2-6,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/12 11:10 | Taiyo Yamanaka v Mariano Kestelboim | 2-6,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 13:15 | Mariano Kestelboim v Valentin Royer | 6-4,7-6 |
| ITF M25 Wetzlar | 2021/08/04 08:00 | Mariano Kestelboim v Mats Rosenkranz | 5-7,2-6 |
| ITF M25 Gandia | 2021/07/24 15:00 | Antoine Escoffier v Mariano Kestelboim | 5-7,6-4,6-2 |
| ITF M25 Gandia | 2021/07/23 08:00 | Facundo Juarez v Mariano Kestelboim | 4-6,6-4,2-6 |
| ITF M25 Gandia | 2021/07/21 07:30 | Imanol L Morillo v Mariano Kestelboim | 7-5,3-6,4-6 |
| ITF M15 Perugia | 2021/07/22 11:45 | Marcello Serafini v Juan Ignacio Galarza | 6-3,7-5 |
| ITF M15 Perugia | 2021/07/20 13:30 | Emiliano Maggioli v Juan Ignacio Galarza | 3-6,6-7 |
| ITF M15 L'Aquila | 2021/07/15 08:30 | Juan Ignacio Galarza v Federico Arnaboldi | 4-6,2-6 |
| ITF M15 L'Aquila | 2021/07/14 10:20 | Juan Ignacio Galarza v Remy Bertola | 5-7,6-3,7-5 |
| ITF M15 Bergamo | 2021/06/25 12:00 | Riccardo Balzerani v Juan Ignacio Galarza | 6-3,6-3 |
| ITF M15 Bergamo | 2021/06/24 10:40 | Juan Ignacio Galarza v Juan Pablo Paz | 6-3,7-6 |
| ITF M15 Bergamo | 2021/06/23 18:35 | Juan Ignacio Galarza v Lorenzo Bocchi | 6-2,6-2 |
| ITF M15 Genova | 2021/06/17 09:55 | Juan Ignacio Galarza v Dragos Nicolae Madaras | 4-6,0-6 |