Round: 44 Ground: Clay
| ITF M15 - Sharm El Sheikh | 2019/11/06 09:10 | Laurynas Grigelis v Piotr Matuszewski | 6-1,7-6 |
| ITF M15 - Sharm El Sheikh | 2019/10/30 10:30 | Julian Ocleppo v Piotr Matuszewski | 4-6,7-6,6-4 |
| ITF M15 - Sharm El Sheikh | 2019/10/29 09:55 | Piotr Matuszewski v Lukas H Lilleengen | 6-3,6-3 |
| 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 M15 - Cairo | 2019/11/24 10:30 | Omar Magdy Ezzeldin v Ahmed Borai | 1-6,1-6 |