Stadium: Court 1 Round: 25 Ground: Clay
| ITF - M15 Sharm El Sheikh | 2019/04/11 08:00 | Daniel Michalski v Matuszewski, Piotr | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2019/10/31 09:50 | Cash, Julian 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 Vivero Gonzalez, Pablo | 2-6,6-0,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/10/24 08:00 | Daniel Michalski v Hajek, Petr | 6-2,7-5 |
| ITF - M15 Sharm El Sheikh | 2019/10/23 08:00 | Daniel Michalski v Gabas, Ronald | 6-0,6-1 |
| Jounieh, Singles M-ITF-LBN-02A | 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 | Sunish, Dhruv v Daniel Michalski | 1-6,1-6 |
| ITF M15 Cairo | 2019/11/26 08:00 | Matuszewski, Piotr v Crespi, Nicolo | 6-3,6-0 |
| ITF M15 Cairo | 2019/11/25 08:00 | Matuszewski, Piotr v Borai, Ahmed | 6-4,6-1 |
| ITF - M15 Sharm El Sheikh | 2019/11/06 09:10 | Grigelis, Laurynas v Matuszewski, Piotr | 6-1,7-6 |
| ITF - M15 Sharm El Sheikh | 2019/10/30 10:30 | Ocleppo, Julian v Matuszewski, Piotr | 4-6,7-6,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/10/29 09:55 | Matuszewski, Piotr v Lukas H Lilleengen | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/10/28 10:00 | Matuszewski, Piotr v Presuhn, Bastien | 7-6,6-1 |
| ITF - M15 Sharm El Sheikh | 2019/10/23 10:30 | Bava, Haadin v Matuszewski, Piotr | 7-5,6-3 |
| ITF M25 Falun | 2019/09/30 09:40 | Matuszewski, Piotr v Gustafsson, Carl | 4-6,7-6,6-10 |