Stadion: Court 4 Round: 54 Ground: Clay
| 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 - 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 - M25 - Bydgoszcz | 2019/08/12 08:00 | Filip Pieczonka v Arvid Nordquist | 0-6,2-6 |
| ITF - M25 - Lasne | 2019/07/02 08:00 | Vasile Antonescu v Arvid Nordquist | 6-1,6-0 |
| ITF - M25 - Lasne | 2019/07/01 08:00 | Glenn Smits v Arvid Nordquist | 4-6,4-6 |
| ITF - M25 - Arlon | 2019/06/24 15:15 | Guillaume Dermiens v Arvid Nordquist | 6-1,6-4 |
| ITF - M15 - Kalmar | 2019/05/13 13:15 | Oliver Johansson v Arvid Nordquist | 7-6,6-2 |
| ITF - M15 - Karlskrona | 2019/05/08 08:15 | Arvid Nordquist v Ronald Slobodchikov | 2-6,6-7 |
| ITF - M15 - Karlskrona | 2019/05/07 08:15 | Arvid Nordquist v Robin Thour | 6-3,6-2 |
| ITF - M15 - Karlskrona | 2019/05/06 09:05 | Arvid Nordquist v Sebastian Zapata | 6-0,6-1 |