Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Sharm-el-Sheikh | 2019/04/10 09:45 | Daniel Michalski v Dominik Nazaruk | 6-7,6-3,6-4 |
| ITF - M15 Sharm-el-Sheikh | 2019/04/07 08:00 | Daniel Michalski v Lukas Klein | 2-6,3-6 |
| ITF - M15 Sharm-el-Sheikh | 2019/04/06 08:00 | Youssef Hossam v Daniel Michalski | 6-3,5-7,5-7 |
| ITF - M15 Sharm-el-Sheikh | 2019/04/05 08:00 | Daniel Michalski v Robert Strombachs | 6-4,6-0 |
| ITF - M15 Sharm-el-Sheikh | 2019/04/04 08:00 | Daniel Michalski v Timur Kiyamov | 7-6,6-1 |
| ITF - M15 Sharm-el-Sheikh | 2019/04/03 09:00 | Daniel Michalski v Dominik Nazaruk | 6-4,6-2 |
| ITF - M15 Sharm-el-Sheikh | 2019/03/28 09:40 | Gilbert S K Junior v Daniel Michalski | 7-6,6-4 |
| ITF - M15 Sharm-el-Sheikh | 2019/03/27 11:55 | Timur Kiyamov v Daniel Michalski | 4-6,6-7 |
| ITF - M15 Sharm-el-Sheikh | 2019/04/10 08:00 | Piotr Matuszewski v Timur Kiyamov | 6-4,6-7,7-6 |
| ITF - M15 Sharm-el-Sheikh | 2019/04/09 09:45 | Piotr Matuszewski v Marius Ruzgas | 7-6,6-3 |
| ITF M15 Oslo | 2019/03/05 09:00 | Bart Stevens v Piotr Matuszewski | 2-6,6-1,10-8 |
| ITF M15 Oslo | 2019/03/04 09:00 | Piotr Matuszewski v Christoffer Solberg | 7-6,6-4 |
| ITF M15 Kaarst | 2019/02/06 13:15 | Piotr Matuszewski v Vadym Ursu | 6-7,0-6 |
| ITF M15 Kaarst | 2019/02/04 16:30 | Marco De Rossi v Piotr Matuszewski | 7-6,0-6,7-10 |
| ITF M15 Kaarst | 2019/02/04 08:30 | Mats Hermans v Piotr Matuszewski | 6-4,2-6,8-10 |
| ITF M15 Bagnoles-de-l'Orne | 2019/01/09 09:00 | Piotr Matuszewski v Hugo Voljacques | 4-6,5-7 |