| ITF Poland F3 Qual | 2015/08/24 09:50 | Maciej Rajski v Kamil Gajewski | 6-1,6-2 |
| ITF Poland F7 | 2017/07/28 09:00 | Kamil Gajewski v Colin Van Beem | 1-6,6-7 |
| ITF Poland F6 | 2017/07/18 10:25 | Richard Gabb v Kamil Gajewski | 6-4,0-6,6-4 |
| ITF Poland F4 | 2017/07/04 17:05 | Kamil Gajewski v Thibault Cancel | 5-7,6-4,3-6 |
| ITF Poland F1 | 2017/06/14 09:00 | Kamil Gajewski v Zdenek Kolar | 1-6,3-6 |
| ITF Poland F1 | 2017/06/13 12:45 | Kamil Gajewski v Michal Mikula | 4-6,7-5,6-4 |
| ITF Egypt F15 | 2017/04/25 08:00 | Olexiy Kolisnyk v Kamil Gajewski | 7-6,6-2 |
| ITF Egypt F14 | 2017/04/16 08:00 | Kamil Gajewski v Kristjan Tamm | 6-7,6-3,6-7 |
| ITF Egypt F13 | 2017/04/11 08:00 | David Pichler v Kamil Gajewski | 6-2,6-3 |
| Challenger Poznan | 2017/07/17 16:30 | Maciej Rajski v Ruben Ramirez-Hidalgo | 4-6,1-6 |
| Challenger Poznan Qual | 2017/07/16 09:00 | Vladimir Ivanov v Maciej Rajski | 1-6,4-6 |
| Challenger Poznan Qual | 2017/07/15 11:30 | Marcin Gawron v Maciej Rajski | 6-4,5-7,6-7 |
| ITF Poland F4 | 2017/07/05 15:30 | Maciej Rajski v Thibault Cancel | 0-6,2-6 |
| ITF Poland F4 | 2017/07/03 11:10 | Maciej Rajski v Olexiy Kolisnyk | 6-3,6-4 |
| ITF Poland F3 | 2017/06/27 16:15 | Maciej Rajski v Bastian Wagner | 6-4,3-6,2-6 |
| ITF Poland F2 | 2017/06/22 13:20 | Maciej Rajski v Evan Furness | 6-3,5-7,5-7 |
| ITF Poland F2 | 2017/06/20 13:00 | Dante Gennaro v Maciej Rajski | 4-6,4-6 |