Stadium: Ustron 1 Round: 44 Ground: Hardcourt outdoor
| ITF Great Britain F2 | 2018/02/04 17:00 | Recci, Mason v Drzewiecki, Karol | 7-6,6-7,6-4 |
| ITF Great Britain F1 | 2018/01/28 14:00 | Drzewiecki, Karol v Jack Draper | 1-6,2-6 |
| ITF Egypt F38 | 2017/12/14 08:00 | Drzewiecki, Karol v Slobodchikov, Ronald | 1-6,5-7 |
| ITF Egypt F38 | 2017/12/13 08:30 | Drzewiecki, Karol v Samaha, Giovani | 6-3,6-4 |
| ITF Egypt F37 | 2017/12/05 09:30 | Statzberger, Thomas v Drzewiecki, Karol | 6-3,6-3 |
| ITF Egypt F36 | 2017/11/30 09:10 | Drzewiecki, Karol v Hossam, Youssef | 6-4,3-6,6-7 |
| ITF Egypt F36 | 2017/11/29 07:30 | Weidinger, Dominic v Drzewiecki, Karol | 6-4,2-6,1-6 |
| ITF Czech Republic F10 | 2017/11/15 12:15 | Konecny, Michal v Drzewiecki, Karol | 6-2,6-3 |
| ITF Poland F2 | 2018/05/05 12:30 | Steinberger, Max v Mlazga, Adam | 6-4,5-7,6-3 |
| ITF Poland F1 | 2018/04/28 07:00 | Mlazga, Adam v Wojcik, Yann | 2-6,6-2,2-6 |
| ITF Poland F11 | 2017/08/26 08:00 | Bedra, Michal v Mlazga, Adam | 3-6,6-4,6-0 |
| ITF Poland F10 Qual | 2017/08/21 09:30 | Mlazga, Adam v Maroszek, Bartlomiej | 4-6,3-6 |
| ITF Poland F10 Qual | 2017/08/20 08:00 | Kozielski, Lukasz v Mlazga, Adam | 3-6,0-6 |
| ITF Poland F9 Qual | 2017/08/13 10:30 | Luke Simkiss v Mlazga, Adam | 3-6,6-1,7-6 |
| ITF Poland F8 Qual | 2017/07/30 12:00 | Uzhylovsky, Vladimir v Mlazga, Adam | 6-2,6-2 |
| ITF Poland F7 Qual | 2017/07/23 11:00 | Uzhylovsky, Vladimir v Mlazga, Adam | 6-3,6-0 |