Stadium: Cancha 1 Round: 14 Ground: Clay
| ITF M15 Monastir | 2020/10/08 08:00 | Guido Ivan Justo v Laurynas Grigelis | 3-6,3-6 |
| ITF M15 Monastir | 2020/10/06 12:30 | Guido Ivan Justo v Aliaksandr Liaonenka | 6-2,6-4 |
| ITF M15 Cancun | 2020/03/11 16:25 | Alejandro Mendoza v Guido Ivan Justo | 3-6,6-7 |
| ITF M25 Rio Cuarto | 2020/02/25 13:00 | Guido Ivan Justo v Leonardo Lopez Linquet | 6-7,6-3,12-10 |
| ITF M25 Rio Cuarto | 2020/02/24 16:00 | Guido Ivan Justo v Lucio Carnevalle | 7-6,6-4 |
| ITF M25 Rio Cuarto | 2020/02/23 13:00 | Guido Ivan Justo v Matias Riva | 6-0,6-0 |
| ITF M25 Punta del Este | 2020/02/19 17:50 | Guido Ivan Justo v Mariano Navone | 2-6,1-6 |
| ITF M25 Punta del Este | 2020/02/18 21:15 | Manuel Pena Lopez v Guido Ivan Justo | 7-5,3-6,4-6 |
| ITF M15 Curtea de Arges | 2020/09/16 12:55 | Mariano Kestelboim v Franco Agamenone | 3-6,2-6 |
| ITF M25 Hurlingham | 2020/03/05 15:00 | Mariano Kestelboim v Facundo Arguello | 3-6,2-6 |
| ITF M25 Hurlingham | 2020/03/04 16:05 | Alex Barrena v Mariano Kestelboim | 4-6,3-6 |
| ITF M25 Rio Cuarto | 2020/02/28 16:30 | Mariano Kestelboim v Franco Agamenone | 5-7,5-7 |
| ITF M25 Rio Cuarto | 2020/02/25 15:50 | Daniel Dutra Da Silva v Mariano Kestelboim | 6-7,6-3,3-6 |
| ITF M25 Punta del Este | 2020/02/19 16:25 | Mariano Kestelboim v Gonzalo Villanueva | 1-6,7-6,2-6 |
| ITF M25 Punta del Este | 2020/02/18 17:30 | Alejo Vilaro v Mariano Kestelboim | 2-6,6-4,2-6 |
| ITF M25 Lima | 2020/02/15 15:00 | Tomas Barrios Vera v Mariano Kestelboim | 6-3,4-6,7-5 |