| ITF Túnez F22 | 09/08 09:00 | 26 | Fabrizio Ornago v Mariano Kestelboim | 7-6,2-6,7-5 | |
| ITF Túnez F22 | 09/06 11:10 | 25 | Eros Siringo v Mariano Kestelboim | 4-6,6-2,3-6 | |
| ITF Romania F15 | 08/31 07:00 | 25 | Nicolas Jarry v Mariano Kestelboim | 6-3,6-2 | |
| ITF Rumanía F9 | 07/21 11:30 | 27 | Mariano Kestelboim v Gabor Borsos | 4-6,5-7 | |
| ITF Rumanía F9 | 07/20 06:00 | 26 | Mariano Kestelboim v Razvan Bobleaga | 6-2,5-7,6-2 | |
| ITF Rumanía F9 | 07/19 12:15 | 25 | Mariano Kestelboim v Daniel Cozma | 6-1,6-0 | |
| ITF Turquía F28 | 07/15 13:00 | 27 | Mariano Kestelboim v Julien Dubail | 6-2,6-2 | |
| ITF Turquía F28 | 07/14 13:00 | 26 | Mariano Kestelboim v Alp Sentay | 6-0,6-3 | |
| ITF Turquía F28 | 07/12 13:00 | 25 | Mariano Kestelboim v Scott Puodziunas | 6-7,6-3,6-2 | |
| ITF Turquía F27 | 07/07 13:00 | 26 | Martin Beran v Mariano Kestelboim | 7-5,6-3 | |
| ITF Turquía F27 | 07/06 15:45 | 25 | Mauricio A-Guzman v Mariano Kestelboim | Retired | |
| ITF Rumanía F8 | 07/01 08:00 | 27 | Dragos Dima v Mariano Kestelboim | 6-1,6-1 | |
| ITF Rumanía F8 | 06/30 08:35 | 26 | Vasco Mensurado v Mariano Kestelboim | 3-6,4-6 | |
| ITF Rumanía F8 | 06/28 08:35 | 25 | Alexandru Vasile Manole v Mariano Kestelboim | 1-6,3-6 | |
| ITF Rumanía F7 | 06/25 08:00 | 29 | Carlos Taberner v Mariano Kestelboim | 6-1,5-7,6-4 | |
| ITF Rumanía F7 | 06/24 07:00 | 28 | Mariano Kestelboim v Martin Cuevas | Retired | |
| ITF Rumanía F7 | 06/23 07:00 | 27 | Mariano Kestelboim v Vladyslav Manafov | Retired | |
| ITF Rumanía F7 | 06/22 06:30 | 26 | Albert Alcaraz Ivorra v Mariano Kestelboim | 2-6,3-6 | |
| ITF Argentina F9 | 05/31 22:00 | 25 | Francisco Cerundolo v Mariano Kestelboim | 4-6,6-7 | |
| ITF Argentina F8 | 05/24 22:00 | 26 | Mariano Kestelboim v Juan Ignacio Galarza | 1-6,6-1,1-6 | |
| ITF Argentina F8 | 05/22 22:00 | 25 | Alexandre Tsuchiya v Mariano Kestelboim | 0-6,0-6 | |
| ITF Argentina F7 | 05/18 15:30 | 26 | Daniel Dutra Da Silva v Mariano Kestelboim | 6-2,6-3 | |
| ITF Argentina F7 | 05/16 13:30 | 25 | Mariano Kestelboim v Andre Miele | 6-4,6-1 | |
| ITF Argentina F6 | 05/12 13:00 | 26 | Joao Pedro Sorgi v Mariano Kestelboim | 6-3,6-3 | |
| ITF Argentina F6 | 05/09 19:45 | 25 | Michel Vernier v Mariano Kestelboim | 6-7,6-7 | |
| ITF Argentina F5 | 05/05 13:00 | 27 | Federico Coria v Mariano Kestelboim | 6-3,6-3 | |
| ITF Argentina F5 | 05/04 13:00 | 26 | Franco Emanuel Egea v Mariano Kestelboim | 1-6,4-6 | |
| ITF Argentina F5 | 05/03 18:00 | 25 | Gonzalo Villanueva v Mariano Kestelboim | 4-6,4-6 | |
| ITF Túnez F9 | 03/09 08:30 | 25 | Mariano Kestelboim v Lenny Hampel | 5-7,4-6 | |
| ITF Túnez F8 | 03/06 09:00 | 29 | Mariano Kestelboim v Pol Toledo Bague | 4-6,2-6 |