Stadium: Court 2 Round: 25 Ground: Clay
| ITF Peru F2 | 2018/10/03 15:30 | Mariano Kestelboim v Tomas Farjat | 6-1,6-1 |
| ITF M15 Monastir | 2021/07/22 10:10 | Santiago Rodriguez Taverna v Tomas Farjat | 7-6,7-6 |
| ITF M15 Monastir | 2021/07/21 13:30 | Tomas Farjat v Evgeny Philippov | 2-6,6-2,6-3 |
| ITF M15 Monastir | 2021/07/15 10:15 | Kazuma Kawachi v Tomas Farjat | 6-2,1-6,7-6 |
| ITF M15 Monastir | 2021/07/06 08:00 | Terence Atmane v Tomas Farjat | 7-6,6-4 |
| ITF M15 Monastir | 2021/07/01 13:00 | Tomas Farjat v Ryota Tanuma | 6-3,6-1 |
| ITF M15 Monastir | 2021/06/30 13:00 | Tomas Farjat v August Holmgren | 7-6,7-6 |
| ITF M15 Monastir | 2021/06/28 14:00 | Tomas Farjat v Dylan Salton | 6-3,7-6 |
| ITF M15 Monastir | 2021/06/28 09:00 | Tomas Farjat v Cesar Bourgois | 6-2,7-6 |
| 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 Eupen | 2021/09/08 07:30 | Mariano Kestelboim v Niklas Schell | 6-3,6-3 |
| 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 |