Stadium: Court 1 Round: 26 Ground: Clay
| ITF M25 Poznan | 2019/08/21 10:00 | Jonathan Mridha v Manafov, Vladyslav | 3-6,7-6,6-4 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/15 11:35 | Dougaz, Aziz v Jonathan Mridha | 6-4,2-6,7-6 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/13 12:00 | David Pichler v Jonathan Mridha | 6-2,6-7,4-6 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/08 11:00 | Jonathan Mridha v Andrea Bolla | 6-4,6-7,5-7 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/07 10:30 | Jonathan Mridha v Batlle, Carles | 6-4,6-3 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/06 14:25 | Jonathan Mridha v Leopold Zima | 6-2,6-4 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/24 03:50 | Jesse Delaney v Jonathan Mridha | 4-6,2-6 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/17 04:25 | Jonathan Mridha v Yu, Cheng-Yu | 2-6,1-6 |
| ITF M25 Poznan | 2019/08/21 10:00 | Nazaruk, Dominik v Pedro Sakamoto | 3-6,3-6 |
| Challenger - Augsburg | 2019/08/05 14:00 | Emil Ruusuvuori v Pedro Sakamoto | 6-2,6-1 |
| Sopot, Pologne | 2019/07/29 15:00 | Pedro Sakamoto v Jahn, Jeremy | 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 | Jomby, Tom 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 |