| Challenger Buenos Aires | 09/24 15:30 | 25 | [161] Sumit Nagal v Pedro Sakamoto [366] | 6-7,6-4,6-3 | |
| Challenger Buenos Aires | 09/23 13:30 | 24 | Sebastian Baez v Pedro Sakamoto | 7-6,2-6,6-7 | |
| Challenger Seville | 09/12 20:20 | 26 | [384] Pedro Sakamoto v Alejandro Davidovich Fokina [109] | 3-6,2-6 | |
| Challenger Seville | 09/11 11:10 | 25 | [269] Pedro Cachin v Pedro Sakamoto [384] | 4-6,2-6 | |
| Challenger Seville | 09/09 16:00 | 24 | Daniel Munoz-De La Nava v Pedro Sakamoto | 6-2,1-6,6-7 | |
| ITF M25 Oviedo | 09/03 08:30 | 25 | [381] Pedro Sakamoto v Diego Hidalgo [444] | 3-6,4-6 | |
| ITF M25 Gyor | 08/28 13:45 | 25 | Lenny Hampel v Pedro Sakamoto | 2-6,6-1,6-3 | |
| ITF M25 Poznan | 08/22 10:20 | 26 | Jonathan Mridha v Pedro Sakamoto | 7-6,6-0 | |
| ITF M25 Poznan | 08/21 10:00 | 25 | Dominik Nazaruk v Pedro Sakamoto | 3-6,3-6 | |
| Challenger Augsburg | 08/05 14:00 | 24 | [237] Emil Ruusuvuori v Pedro Sakamoto [348] | 6-2,6-1 | |
| Challenger Sopot | 07/29 15:00 | 24 | [372] Pedro Sakamoto v Jeremy Jahn [420] | 3-6,3-6 | |
| Challenger Prague | 07/23 13:15 | 25 | [371] Pedro Sakamoto v Constant Lestienne [196] | 4-6,5-7 | |
| Challenger Prague | 07/22 13:00 | 24 | [426] Tom Jomby v Pedro Sakamoto [371] | 1-6,2-6 | |
| Challenger San Benedetto | 07/17 12:50 | 25 | [375] Pedro Sakamoto v Federico Gaio [171] | 6-7,6-4,1-6 | |
| Challenger San Benedetto | 07/15 16:15 | 24 | [297] Roberto Cid Subervi v Pedro Sakamoto [378] | 6-2,2-6,2-6 | |
| ITF M25 Casinalbo | 07/12 19:00 | 27 | [423] Gijs Brouwer v Pedro Sakamoto [377] | 6-3,3-6,6-1 | |
| ITF M25 Casinalbo | 07/11 11:25 | 26 | Antonio Massara v Pedro Sakamoto | 7-6,2-6,4-6 | |
| ITF M25 Casinalbo | 07/10 08:30 | 25 | Wilson Leite v Pedro Sakamoto | 4-6,6-4,4-6 | |
| Challenger Blois | 06/18 08:00 | 24 | [377] Pedro Sakamoto v Geoffrey Blancaneaux [402] | 3-6,6-3,4-6 | |
| ITF M25 Huelva | 06/16 10:00 | 29 | [445] Bastian Malla v Pedro Sakamoto [378] | 2-6,6-2,6-7 | |
| ITF M25 Huelva | 06/15 16:00 | 28 | Pol M Tiffon v Pedro Sakamoto | 2-6,2-6 | |
| ITF M25 Huelva | 06/14 17:00 | 27 | Jules Okala v Pedro Sakamoto | 4-6,4-6 | |
| ITF M25 Huelva | 06/13 15:00 | 26 | Pablo Llamas Ruiz v Pedro Sakamoto | 4-6,4-6 | |
| ITF M25 Huelva | 06/11 11:50 | 25 | [423] Fred Gil v Pedro Sakamoto [378] | 4-6,6-7 | |
| Challenger Prostejov | 06/02 10:40 | 24 | [376] Pedro Sakamoto v Corentin Denolly [429] | 6-7,2-6 | |
| Challenger Rome | 05/08 15:20 | 25 | [382] Pedro Sakamoto v Paolo Lorenzi [104] | 2-6,6-2,1-6 | |
| Challenger Rome | 05/07 08:00 | 24 | [324] Dragos Dima v Pedro Sakamoto [382] | 2-6,5-7 | |
| ITF M25 Vero Beach | 05/03 23:35 | 27 | Pedro Sakamoto v Dmitry Popko | 4-6,3-6 | |
| ITF M25 Vero Beach | 05/02 14:00 | 26 | Pedro Sakamoto v Jose Olivares | 7-5,6-2 | |
| ITF M25 Vero Beach | 05/01 16:00 | 25 | Pedro Sakamoto v Isaac Stoute | 6-4,6-2 |