Stadium: Court 1 Round: 54 Ground: Carpet indoor
| ITF Czech Republic F7 | 2018/10/25 11:00 | Michael Vrbensky v Drzewiecki, Karol | 3-6,6-4,6-4 |
| ITF Czech Republic F7 | 2018/10/24 10:05 | Drzewiecki, Karol v Semjan, Marek | 6-1,3-6,6-4 |
| Challenger Almaty 2 | 2018/09/30 06:40 | Bogdan Bobrov v Drzewiecki, Karol | 6-3,7-6 |
| Challenger Almaty 2 | 2018/09/29 06:10 | Sultanbekov, Amal v Drzewiecki, Karol | 6-4,3-6,3-6 |
| Challenger Szczecin | 2018/09/10 15:40 | Drzewiecki, Karol v Quinzi, Gianluigi | 3-6,4-6 |
| ITF Poland F8 | 2018/08/22 09:00 | Dimitar Kuzmanov v Drzewiecki, Karol | 6-2,6-4 |
| ITF Poland F8 | 2018/08/20 09:30 | Drzewiecki, Karol v Zukauskas, Simonas | 4-6,6-3,6-4 |
| ITF Poland F8 | 2018/08/19 11:00 | Drzewiecki, Karol v Bednarek, Tomasz | 6-3,6-4 |
| ITF Czech Republic F7 | 2018/10/22 11:30 | Holis, Evzen v Mikula, Michal | 3-6,4-6 |