| ITF Poland F11 | 2017/08/31 14:30 | Drzewiecki, Karol v Pawel Juszczak | 3-6,4-6 |
| ITF Poland F5 | 2017/07/13 12:30 | Drzewiecki, Karol v Pawel Juszczak | 4-6,4-6 |
| ITF - M15 Porec | 2020/03/12 09:00 | Vit Kopriva v Pawel Juszczak | 6-4,6-1 |
| ITF - M15 Porec | 2020/03/11 10:40 | Pawel Juszczak v Colin Sinclair | 6-2,6-4 |
| ITF - M15 Porec | 2020/03/10 08:55 | Pawel Juszczak v Gorazd Srbljak | 6-4,6-2 |
| ITF - M15 Porec | 2020/03/09 09:00 | Pawel Juszczak v Ivanovski, Kalin | 1-6,6-3,10-3 |
| ITF - M15 Porec | 2020/03/08 10:15 | Pawel Juszczak v Zimbrek-Turkovic, Gaspar | 6-0,6-1 |
| ITF - M15 Manacor | 2020/01/14 09:00 | Pawel Juszczak v Coppini, Alessandro | 2-6,5-7 |
| ITF - M15 Manacor | 2020/01/13 10:30 | Pawel Juszczak v Hersey, Jake | 4-6,6-1,10-8 |
| ITF - M15 Manacor | 2020/01/12 11:30 | Pawel Juszczak v Fillat Gimenez, Oriol | 7-5,6-4 |
| Polish National Tour | 2020/06/17 07:00 | Drzewiecki, Karol v Galus, Piotr | 6-1,7-5 |
| Palm Coast, Singles M-ITF-USA-05A | 2020/02/03 18:00 | Pla Malfeito, Jaume v Drzewiecki, Karol | 6-4,6-3 |
| ITF M25 Weston | 2020/01/28 14:00 | Gomez, Alejandro v Drzewiecki, Karol | 7-5,6-3 |
| ITF M25 Weston | 2020/01/27 15:30 | Michael Zhu v Drzewiecki, Karol | 6-2,1-6,5-10 |
| ITF M25 Weston | 2020/01/26 15:30 | Drzewiecki, Karol v Bergevi, Filip | 6-3,6-2 |
| ITF M25 Rancho Santa Fe | 2020/01/14 17:30 | Facundo Diaz Acosta v Drzewiecki, Karol | 6-2,6-4 |
| ITF M25 Rancho Santa Fe | 2020/01/13 18:00 | Drzewiecki, Karol v Rapp, Austin | 6-4,6-4 |
| Los Angeles, Singles M-ITF-USA-01A | 2020/01/08 21:40 | Drzewiecki, Karol v Facundo Diaz Acosta | 3-6,3-6 |