| ITF Tunisia F10 | 03/15 11:20 | 26 | Nico Mertens v Mariano Kestelboim | 4-6,2-6 | |
| ITF Tunisia F10 | 03/14 12:45 | 25 | Jacopo Stefanini v Mariano Kestelboim | 4-6,0-6 | |
| ITF Tunisia F8 | 03/02 08:30 | 27 | Mariano Kestelboim v Tak Khunn Wang | 1-6,3-6 | |
| ITF Tunisia F8 | 03/01 10:10 | 26 | Mariano Kestelboim v Samm Butler | 6-3,6-1 | |
| ITF Tunisia F8 | 02/27 09:00 | 25 | Mariano Kestelboim v Filip Duda | 2-6,7-5,6-3 | |
| ITF Tunisia F7 | 02/23 09:30 | 27 | Matteo Martineau v Mariano Kestelboim | 5-7,6-0,7-6 | |
| ITF Tunisia F7 | 02/22 10:45 | 26 | Nicolas Alberto Arreche v Mariano Kestelboim | 7-5,6-7,0-6 | |
| ITF Tunisia F7 | 02/20 14:10 | 25 | Samm Butler v Mariano Kestelboim | 4-6,2-6 | |
| ITF Tunisia F6 | 02/15 10:55 | 26 | Mariano Kestelboim v Anis Ghorbel | 2-6,2-6 | |
| ITF Tunisia F6 | 02/14 09:00 | 25 | Mariano Kestelboim v Muhammet Haylaz | 6-4,6-3 | |
| ITF Tunisia F5 | 02/09 09:00 | 27 | Roberto Marcora v Mariano Kestelboim | 5-7,6-1,6-1 | |
| ITF Tunisia F5 | 02/08 11:50 | 26 | Thomas Setodji v Mariano Kestelboim | 2-6,4-6 | |
| ITF Tunisia F5 | 02/07 09:00 | 25 | Muhammet Haylaz v Mariano Kestelboim | 2-6,1-6 | |
| ITF Chile F3 | 12/08 13:00 | 28 | [453] Marcelo Tomas Barrios Vera v Mariano Kestelboim [409] | 6-4,6-1 | |
| ITF Chile F3 | 12/07 14:00 | 27 | [420] Orlando Luz v Mariano Kestelboim [409] | 2-6,3-6 | |
| ITF Chile F3 | 12/06 15:45 | 26 | Caio Silva v Mariano Kestelboim | 0-6,0-6 | |
| ITF Chile F3 | 12/05 13:00 | 25 | Luciano Doria v Mariano Kestelboim | 5-7,1-6 | |
| ITF Chile F2 | 11/29 15:00 | 26 | Luciano Doria v Mariano Kestelboim | 6-3,6-2 | |
| ITF Chile F2 | 11/28 17:05 | 25 | Laelson Rodrigues v Mariano Kestelboim | 1-6,2-6 | |
| ITF Chile F1 | 11/26 14:00 | 29 | [460] Mariano Kestelboim v Gonzalo Lama [432] | Retired | |
| ITF Chile F1 | 11/25 14:15 | 28 | Juan Carlos Saez v Mariano Kestelboim | 4-6,3-6 | |
| ITF Chile F1 | 11/24 14:30 | 27 | Mariano Kestelboim v Leonardo Aboian | 6-4,6-3 | |
| ITF Chile F1 | 11/23 16:05 | 26 | Mariano Kestelboim v Hugo Largo | 5-7,6-1,6-1 | |
| ITF Chile F1 | 11/22 14:30 | 25 | Mariano Kestelboim v Nicolas Bianchi | 2-6,6-3,6-3 | |
| ITF Argentina F9 | 11/16 16:10 | 27 | Mariano Kestelboim v Martin Cuevas | 4-6,2-6 | |
| ITF Argentina F9 | 11/15 16:40 | 26 | Mariano Kestelboim v Gonzalo Villanueva | 6-3,2-6,7-6 | |
| ITF Argentina F9 | 11/14 15:25 | 25 | Mariano Kestelboim v Alejo Vilaro | 6-0,2-6,6-1 | |
| Challenger Montevideo Qual | 11/05 16:15 | 46 | Mariano Kestelboim v Juan Ignacio Londero | 6-7,3-6 | |
| Challenger Montevideo Qual | 11/04 15:35 | 45 | [460] Mariano Kestelboim v Pedro Sakamoto [469] | 7-6,4-6,6-4 | |
| Challenger Guayaquil Qual | 10/29 18:15 | 54 | Gonzalo Lama v Mariano Kestelboim | 6-2,6-2 |