Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Sharm El Sheikh | 2019/04/11 08:00 | Daniel Michalski v Piotr Matuszewski | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2019/10/31 09:50 | Julian Cash v Daniel Michalski | 6-3,7-6 |
| ITF M15 Sharm El Sheikh | 2019/10/30 10:15 | Tsung-Hao Huang v Daniel Michalski | 1-6,0-6 |
| ITF M15 Sharm El Sheikh | 2019/10/25 08:00 | Daniel Michalski v Pablo Vivero Gonzalez | 2-6,6-0,1-6 |
| ITF M15 Sharm El Sheikh | 2019/10/24 08:00 | Daniel Michalski v Petr Hajek | 6-2,7-5 |
| ITF M15 Sharm El Sheikh | 2019/10/23 08:00 | Daniel Michalski v Ronald Gabas | 6-0,6-1 |
| ITF M25 Jounieh | 2019/10/02 13:00 | Corentin Denolly v Daniel Michalski | 6-0,6-3 |
| ITF M15 Cairo | 2019/09/27 08:00 | Simon Beaupain v Daniel Michalski | 1-6,6-1,6-3 |
| ITF M15 Cairo | 2019/09/26 09:00 | Dhruv Sunish v Daniel Michalski | 1-6,1-6 |
| ITF M15 Cairo | 2019/11/26 08:00 | Piotr Matuszewski v Nicolo Crespi | 6-3,6-0 |
| ITF M15 Cairo | 2019/11/25 08:00 | Piotr Matuszewski v Ahmed Borai | 6-4,6-1 |
| 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 |