Stadium: Court 4 Round: 25 Ground: Clay
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/06 08:00 | Kosinski, Patryk v Langmajer, Dominik | 7-6,1-6,10-12 |
| ITF Czech Republic F12 | 2018/11/26 11:00 | Langmajer, Dominik v Nazaruk, Dominik | 2-6,4-6 |
| Czech Republic F11, Singles | 2018/11/21 13:55 | Langmajer, Dominik v Niels Lootsma | 4-6,3-6 |
| ITF Czech Republic F10 | 2018/11/14 10:15 | Diarra, Gibril v Langmajer, Dominik | 6-2,6-4 |
| ITF Czech Republic F9 | 2018/11/06 10:25 | Langmajer, Dominik v Maciej Rajski | 2-6,3-6 |
| ITF Czech Republic F8 | 2018/10/31 11:50 | Langmajer, Dominik v Selecky, Michal | 1-6,6-7 |
| ITF Czech Republic F7 | 2018/10/23 11:50 | Hodor, Samuel v Langmajer, Dominik | 4-6,6-2,6-3 |
| ITF Germany F15 | 2018/10/07 09:00 | Langmajer, Dominik v Galus, Piotr | 5-7,7-5,2-6 |
| ITF M25 Porto | 2019/07/24 15:30 | Roumane, Rayane v Matuszewski, Piotr | 6-7,7-6,6-1 |
| ITF M25 Porto | 2019/07/23 09:00 | Matuszewski, Piotr v Bauvy, Romain | 6-2,6-3 |
| ITF M25 Porto | 2019/07/22 13:30 | Matuszewski, Piotr v Almeida, Eduardo Lobo Da Rosa de | 6-2,6-3 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/27 10:00 | Gorodynskyi, Vladyslav v Matuszewski, Piotr | 2-6,7-6,15-13 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/27 06:30 | Hulyanich, Demian v Matuszewski, Piotr | 3-6,2-6 |
| ITF M15 Tbilisi | 2019/05/01 11:00 | Matuszewski, Piotr v Bothwell, Peter | 7-6,1-6,4-6 |
| ITF M15 Tbilisi | 2019/04/30 06:00 | Matuszewski, Piotr v Martinez, Mikel | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/04/11 08:00 | Daniel Michalski v Matuszewski, Piotr | 6-2,6-1 |