| ITF - M25 Palm Coast | 2020/02/03 18:00 | Jaume Pla Malfeito v Karol Drzewiecki | 6-4,6-3 |
| ITF - M25 Weston | 2020/01/28 14:00 | Alejandro Gomez v Karol Drzewiecki | 7-5,6-3 |
| ITF - M25 Weston | 2020/01/27 15:30 | Michael Zhu v Karol Drzewiecki | 6-2,1-6,5-10 |
| ITF - M25 Weston | 2020/01/26 15:30 | Karol Drzewiecki v Filip Bergevi | 6-3,6-2 |
| ITF - M25 Rancho Santa Fe | 2020/01/14 17:30 | Facundo Diaz Acosta v Karol Drzewiecki | 6-2,6-4 |
| ITF - M25 Rancho Santa Fe | 2020/01/13 18:00 | Karol Drzewiecki v Austin Rapp | 6-4,6-4 |
| ITF - Los Angeles - M25 | 2020/01/08 21:40 | Karol Drzewiecki v Facundo Diaz Acosta | 3-6,3-6 |
| ITF - Los Angeles - M25 | 2020/01/07 18:00 | Karol Drzewiecki v Isaiah Strode | 6-4,6-3 |
| ITF - M15 Sharm El Sheikh | 2020/02/26 10:00 | Piotr Galus v Soichiro Moritani | 4-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2020/02/25 08:00 | Oleg Khotkov v Piotr Galus | 2-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/24 09:00 | Piotr Galus v Dylan Salton | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/02/16 11:00 | Hanyi Liu v Piotr Galus | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2019/11/20 08:00 | Piotr Galus v Mariano Alberto Hasenkopf | 4-6,6-3,3-6 |
| ITF - M15 Sharm El Sheikh | 2019/11/19 08:00 | Piotr Galus v Bastien Presuhn | 6-1,6-2 |
| ITF - M15 Sharm El Sheikh | 2019/11/18 08:00 | Lasse Muscheites v Piotr Galus | 2-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2019/11/17 08:00 | Piotr Galus v Ammar Al-Shaikh | 6-0,6-0 |