Stadium: Cancha 5 Round: 26 Ground: Clay
| ITF M15 Antalya | 2021/07/01 06:30 | Ignacio Carou v Mariano Kestelboim | 3-6,5-7 |
| ITF M15 Antalya | 2021/06/25 06:50 | Mariano Kestelboim v Ignacio Carou | 7-6,6-3 |
| ITF M25 Villa Allende | 2021/12/01 13:00 | Mariano Kestelboim v Leonardo Aboian | 7-5,6-3 |
| ITF M15 Cordoba | 2021/11/24 16:15 | Tomas Farjat v Mariano Kestelboim | 2-6,6-4,6-4 |
| Challenger Buenos Aires | 2021/10/18 15:00 | Mariano Kestelboim v Ignacio Monzon | 1-6,2-6 |
| Challenger Buenos Aires | 2021/10/17 15:35 | Mariano Kestelboim v Valerio Aboian | 6-1,6-2 |
| Challenger Murcia | 2021/09/26 09:00 | Mariano Kestelboim v Carlos Sanchez Jover | 3-6,6-2,6-7 |
| ITF M25 Madrid | 2021/09/15 06:50 | Arnaud Bovy v Mariano Kestelboim | 7-6,6-2 |
| ITF M25 Eupen | 2021/09/10 11:30 | Mariano Kestelboim v Maxime Pauwels | 6-7,4-6 |
| ITF M25 Eupen | 2021/09/09 11:45 | Mariano Kestelboim v Juan Ignacio Galarza | 6-4,6-2 |
| ITF M25 Villa Allende | 2021/12/01 14:30 | Ignacio Novo v Ignacio Carou | 1-6,4-6 |
| ITF M15 Cordoba | 2021/11/26 16:15 | Ignacio Carou v Juan Bautista Torres | 3-6,2-6 |
| ITF M15 Cordoba | 2021/11/25 14:30 | Ignacio Carou v Murkel Dellien | 6-3,6-2 |
| ITF M15 Cordoba | 2021/11/24 16:30 | Ignacio Carou v Mateo Labuckas | 6-0,6-2 |
| Challenger Montevideo | 2021/11/07 15:00 | Ignacio Carou v Facundo Juarez | 1-6,7-5,6-7 |
| ITF M25 Rio do Sul | 2021/10/22 14:25 | Wilson Leite v Ignacio Carou | 6-2,6-0 |
| ITF M25 Rio do Sul | 2021/10/21 17:35 | Ignacio Carou v Joao Eduardo Schiessl | 6-4,6-2 |
| ITF M25 Rio do Sul | 2021/10/19 13:00 | Matheus C Bueres v Ignacio Carou | 0-6,1-6 |