Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2019/10/28 10:00 | Piotr Matuszewski v Bastien Presuhn | 7-6,6-1 |
| ITF M15 Sharm El Sheikh | 2019/10/23 10:30 | Haadin Bava v Piotr Matuszewski | 7-5,6-3 |
| ITF M25 Falun | 2019/09/30 09:40 | Piotr Matuszewski v Carl Gustafsson | 4-6,7-6,6-10 |
| ITF M25 Falun | 2019/09/29 11:00 | Piotr Matuszewski v Piotr Galus | 3-6,6-2,10-7 |
| ITF M25 Stockholm | 2019/09/24 10:35 | Elmer Moller v Piotr Matuszewski | 6-7,6-2,10-8 |
| ITF M25 Stockholm | 2019/09/23 09:00 | Daniel Svensson v Piotr Matuszewski | 5-7,5-7 |
| ITF M15 Varna | 2019/09/10 08:00 | Quentin Folliot v Piotr Matuszewski | 6-2,6-3 |
| ITF M15 Haren | 2019/08/28 11:20 | Juan Ignacio Galarza v Piotr Matuszewski | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2019/10/28 10:00 | Kevin Portmann v Lukas H Lilleengen | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2019/10/23 11:40 | Timur Kiyamov v Lukas H Lilleengen | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2019/10/22 08:00 | Michael-John Every v Lukas H Lilleengen | 6-4,3-6,7-10 |
| ITF M15 Sharm El Sheikh | 2019/10/21 08:00 | Arthur Bernabe v Lukas H Lilleengen | 6-7,2-6 |
| ITF M15 Sharm El Sheikh | 2019/10/20 10:00 | Alejandro Hastings v Lukas H Lilleengen | 3-6,0-6 |
| ITF M15 Antalya | 2019/10/02 10:30 | Peter Heller v Lukas H Lilleengen | 6-2,6-0 |
| ITF M15 Antalya | 2019/10/01 07:00 | Lukas H Lilleengen v Oleksandr Bielinskyi | 2-6,7-6,10-4 |
| ITF M15 Antalya | 2019/09/30 07:30 | Lukas H Lilleengen v Thomas Brechemier | 5-7,6-0,10-3 |