Stadium: Court 6 Round: 44 Ground: Clay
| ITF M15 Kaarst | 2019/02/04 08:30 | Mats Hermans v Piotr Matuszewski | 6-4,2-6,8-10 |
| ITF M25 Poznan | 2019/08/21 10:00 | Piotr Matuszewski v Filip Kolasinski | 2-6,6-4,5-7 |
| ITF M25 Bydgoszcz | 2019/08/15 08:00 | Camilo Ugo Carabelli v Piotr Matuszewski | 6-3,6-2 |
| ITF M25 Bydgoszcz | 2019/08/14 09:45 | Dominik Recek v Piotr Matuszewski | 4-6,6-1,2-6 |
| ITF M25 Bydgoszcz | 2019/08/13 08:00 | Piotr Matuszewski v Arvid Nordquist | 3-6,6-3,10-2 |
| ITF M25 Bydgoszcz | 2019/08/12 08:00 | Piotr Matuszewski v Mikolaj Szmyrgala | 7-6,6-1 |
| ITF M15 Koszalin | 2019/08/09 08:00 | Ivan Nedelko v Piotr Matuszewski | 7-6,7-5 |
| ITF M15 Koszalin | 2019/08/07 10:55 | Dominik Langmajer v Piotr Matuszewski | 0-6,1-6 |
| ITF M25 Porto | 2019/07/24 15:30 | Rayane Roumane v Piotr Matuszewski | 6-7,7-6,6-1 |
| ITF M25 Schlieren | 2019/08/19 15:25 | Dominik Recek v Mats Hermans | 6-0,6-1 |
| ITF M25 Schlieren | 2019/08/19 10:00 | Adrien Guye v Mats Hermans | 1-6,0-6 |
| ITF M15 Oldenzaal | 2019/08/13 07:30 | Mats Hermans v Herman Meeuwes Mattheo Knoop | 6-7,3-6 |
| ITF M15 Oldenzaal | 2019/08/12 07:30 | Mats Hermans v Bjorn Nareyka | 6-3,6-0 |
| ITF M15 Tabarka | 2019/07/29 13:30 | Anze Arh v Mats Hermans | 6-3,6-4 |
| ITF M15 Tabarka | 2019/07/29 07:30 | Zakaria B Brahim v Mats Hermans | 2-6,1-6 |
| ITF M15 Tabarka | 2019/07/25 08:00 | Benjamin Dhoe v Mats Hermans | 7-5,5-7,6-2 |
| ITF M15 Tabarka | 2019/07/24 09:25 | Mats Hermans v Ameur Ben Hassen | 6-1,6-0 |