Estadio: Court 4 Round: 54 Ground: Clay
| ITF Argentina F5 | 2017/08/27 13:00 | Guido Ivan Justo v Santiago Besada | 6-7,7-5,3-6 |
| ITF M15 Maldonado | 2019/11/28 13:00 | Federico Moreno v Guido Ivan Justo | 6-3,6-4 |
| ITF M15 Maldonado | 2019/11/27 13:45 | Facundo Arias Bisso v Guido Ivan Justo | 5-7,0-6 |
| ITF M15 Junin | 2019/10/25 12:00 | Hernan Casanova v Guido Ivan Justo | 6-3,6-3 |
| ITF M15 Junin | 2019/10/24 14:15 | Luciano Carraro v Guido Ivan Justo | 6-7,6-2,1-6 |
| ITF M15 Junin | 2019/10/22 14:30 | Federico Moreno v Guido Ivan Justo | 2-6,2-6 |
| ITF M15 Santiago | 2019/10/03 12:30 | Thiago Agustin Tirante v Guido Ivan Justo | 6-4,6-1 |
| ITF M15 Santiago | 2019/10/02 18:45 | Pedro Iamachkine v Guido Ivan Justo | 6-7,7-5,4-6 |
| ITF M15 Buenos Aires | 2019/09/21 14:00 | Maximiliano Estevez v Guido Ivan Justo | 6-1,6-4 |
| ITF M25 Punta del Este | 2020/02/16 12:00 | Bautista Vilicich v Santiago Besada | 4-6,1-6 |
| ITF M15 Maldonado | 2019/11/29 13:00 | Santiago Besada v Gabriel Alejandro Hidalgo | 4-6,2-6 |
| ITF M15 Maldonado | 2019/11/28 13:00 | Thiago Cigarran v Santiago Besada | 3-6,2-6 |
| ITF M15 Maldonado | 2019/11/26 16:45 | Gian M Di Natale v Santiago Besada | 2-6,2-6 |
| ITF M15 Junin | 2019/10/24 14:00 | Hernan Casanova v Santiago Besada | 6-0,6-2 |
| ITF M15 Junin | 2019/10/22 14:30 | Santiago Besada v Francisco Comesana | 7-6,2-6,6-1 |
| ITF M15 Santiago | 2019/10/03 12:30 | Maximiliano Estevez v Santiago Besada | 6-2,6-7,6-4 |
| ITF M15 Santiago | 2019/10/02 18:00 | Agustin Riquelme Coppari v Santiago Besada | 5-7,1-6 |