Stadium: Cancha Raul Viver Round: 24 Ground: Clay
| ITF Brazil F3 | 2018/05/11 18:25 | Pedro Sakamoto v Oscar Jose Gutierrez | 5-7,6-4,3-6 |
| ITF Brazil F2 | 2018/05/05 00:25 | Oscar Jose Gutierrez v Pedro Sakamoto | 6-3,2-6,6-3 |
| Challenger Campinas Qual | 2017/10/01 14:30 | Pedro Sakamoto v Oscar Jose Gutierrez | 6-4,6-2 |
| Challenger Sopot | 2019/07/29 15:00 | Pedro Sakamoto v Jeremy Jahn | 3-6,3-6 |
| Challenger Prague | 2019/07/23 13:15 | Pedro Sakamoto v Constant Lestienne | 4-6,5-7 |
| Challenger Prague | 2019/07/22 13:00 | Tom Jomby v Pedro Sakamoto | 1-6,2-6 |
| Challenger San Benedetto | 2019/07/17 12:50 | Pedro Sakamoto v Federico Gaio | 6-7,6-4,1-6 |
| Challenger San Benedetto | 2019/07/15 16:15 | Roberto Cid Subervi v Pedro Sakamoto | 6-2,2-6,2-6 |
| ITF M25 Casinalbo | 2019/07/12 19:00 | Gijs Brouwer v Pedro Sakamoto | 6-3,3-6,6-1 |
| ITF M25 Casinalbo | 2019/07/11 11:25 | Antonio Massara v Pedro Sakamoto | 7-6,2-6,4-6 |
| ITF M25 Casinalbo | 2019/07/10 08:30 | Wilson Leite v Pedro Sakamoto | 4-6,6-4,4-6 |
| ITF M25 Lima | 2019/07/20 15:00 | Oscar Jose Gutierrez v Francisco Cerundolo | 4-6,3-6 |
| ITF M25 Lima | 2019/07/19 17:15 | Rafael Matos v Oscar Jose Gutierrez | 4-6,3-6 |
| ITF M25 Lima | 2019/07/18 20:45 | Rodrigo Sanchez v Oscar Jose Gutierrez | 3-6,7-5,1-6 |
| ITF M25 Lima | 2019/07/17 18:40 | Juan Manuel Cerundolo v Oscar Jose Gutierrez | 0-6,7-5,4-6 |
| ITF M15 Lima | 2019/07/14 17:00 | Facundo Juarez v Oscar Jose Gutierrez | 3-6,1-6 |
| ITF M15 Lima | 2019/07/13 15:30 | Matias Soto v Oscar Jose Gutierrez | 6-7,0-6 |
| ITF M15 Lima | 2019/07/12 15:00 | Francisco Comesana v Oscar Jose Gutierrez | 2-6,6-7 |
| ITF M15 Lima | 2019/07/11 16:20 | Rodrigo N M D O Murillo v Oscar Jose Gutierrez | 0-6,1-6 |