Stadium: Court 9 Round: 44 Ground: Clay
| 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 | Petr 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 M15 Junin | 2019/10/22 12:00 | Matias Riva v Alan Postay | 4-6,6-1,8-10 |
| ITF M15 Junin | 2019/10/21 12:00 | Lautaro Agustin Falabella v Matias Riva | 4-6,5-7 |
| ITF M15 Buenos Aires | 2019/09/16 15:00 | Matias Riva v Felipe Derdoy | 6-4,3-6,2-10 |
| ITF M15 Buenos Aires | 2019/09/15 15:30 | Matias Riva v Lautaro Agustin Falabella | 4-6,7-6,14-12 |
| ITF M15 Koksijde | 2019/08/12 12:40 | Matias Riva v Shunsuke Wakita | 1-6,4-6 |
| ITF M15 Targu Mures | 2019/08/05 09:00 | Andrea Picchione v Matias Riva | 6-2,2-6,10-6 |
| ITF M15 Chitila | 2019/07/29 12:00 | Matias Riva v Felipe Derdoy | 0-6,3-6 |
| ITF Chile F3 | 2018/11/25 14:00 | Federico Moreno v Matias Riva | 6-1,6-2 |