Stadium: Court 1 Round: 25
| Challenger Lima Qual | 2016/10/23 15:30 | Juan Ignacio Londero v Pedro Sakamoto | 6-4,6-7,6-0 |
| Challenger Braunschweig Qual | 2017/07/09 09:00 | George Von Massow v Pedro Sakamoto | 6-0,6-2 |
| Challenger Braunschweig Qual | 2017/07/08 08:00 | Ramazan Nureev v Pedro Sakamoto | 2-6,2-6 |
| Challenger Marburg Qual | 2017/07/01 13:30 | Joao Pedro Sorgi v Pedro Sakamoto | 6-3,7-5 |
| Challenger Marburg Qual | 2017/07/01 08:00 | Jan Simon Vrbsky v Pedro Sakamoto | 2-6,4-6 |
| ITF Romania F4 | 2017/06/25 08:00 | Michiel de Krom v Pedro Sakamoto | 1-6,3-6 |
| ITF Romania F4 | 2017/06/24 11:05 | Pedro Sakamoto v Sebastien Boltz | 6-2,6-2 |
| ITF Romania F4 | 2017/06/23 09:40 | Pedro Sakamoto v Claudio Fortuna | 6-0,6-3 |
| ITF Romania F4 | 2017/06/21 12:25 | Pedro Sakamoto v Dan Alexandru Tomescu | 6-2,3-6,6-3 |
| Challenger Bastad | 2017/07/10 08:00 | Kamil Majchrzak v Juan Ignacio Londero | 4-6,6-2,6-3 |
| Challenger Bastad Qual | 2017/07/09 08:00 | Juan Ignacio Londero v Jurgen Zopp | 7-6,6-4 |
| Challenger Bastad Qual | 2017/07/08 13:10 | Juan Ignacio Londero v Sam Taylor | 6-4,6-2 |
| Challenger Marburg Qual | 2017/07/01 11:15 | Juan Ignacio Londero v Matthias Bachinger | 1-6,3-6 |
| Challenger Milan | 2017/06/30 11:45 | Marco Cecchinato v Juan Ignacio Londero | 6-2,6-3 |
| Challenger Milan | 2017/06/29 10:50 | Juan Ignacio Londero v Andrea Collarini | 3-6,7-5,6-4 |
| Challenger Milan | 2017/06/27 09:20 | Lorenzo Frigerio v Juan Ignacio Londero | 3-6,1-6 |
| Challenger Milan Qual | 2017/06/26 08:30 | Frederico Ferreira Silva v Juan Ignacio Londero | 5-7,4-6 |