Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Pinamar | 2019/04/05 13:00 | Guido Ivan Justo v Manuel Pena Lopez | 1-6,0-6 |
| ITF M25 Lima | 2020/02/11 15:00 | Pedro Sakamoto v Manuel Pena Lopez | 6-2,6-1 |
| ITF M25 Lima | 2020/02/07 17:35 | Manuel Pena Lopez v Pedro Sakamoto | 3-6,6-4,2-6 |
| ITF M25 Lima | 2020/02/06 17:10 | Matias Zukas v Manuel Pena Lopez | 4-6,1-6 |
| ITF M25 Lima | 2020/02/05 19:00 | Felipe Meligeni Rodrigues Alves v Manuel Pena Lopez | 6-2,5-7,2-6 |
| ITF M25 Weston | 2020/02/01 16:00 | Manuel Pena Lopez v Gianluigi Quinzi | 6-7,2-6 |
| ITF M25 Weston | 2020/01/31 15:30 | Manuel Pena Lopez v Alexander Ritschard | 3-6,6-3,6-1 |
| ITF M25 Weston | 2020/01/30 15:00 | Manuel Pena Lopez v Cristian Rodriguez | 6-7,6-4,7-5 |
| ITF M25 Weston | 2020/01/29 15:55 | Lucas Gerch v Manuel Pena Lopez | 5-7,5-7 |
| ITF M25 Punta del Este | 2020/02/17 12:00 | Guido Ivan Justo v Santiago Besada | 6-4,6-3 |
| 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 |