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