Stadium: Ustron 3 Round: 25 Ground: Clay
| ITF Poland F4 | 2018/05/21 07:00 | Kamil Gajewski v Nikolas Lahky | 6-3,6-7,1-6 |
| ITF Poland F4 | 2018/05/20 11:00 | Ilia Tarsunov v Nikolas Lahky | 2-6,1-6 |
| ITF Poland F3 | 2018/05/13 07:00 | Yann Wojcik v Nikolas Lahky | 6-1,6-2 |
| ITF Poland F2 | 2018/05/05 10:00 | Nikolas Lahky v Yann Wojcik | 4-6,6-3,6-7 |
| ITF Croatia F2 | 2018/03/12 08:00 | Charly Zick v Nikolas Lahky | 6-4,7-5 |
| ITF Croatia F1 | 2018/03/04 09:00 | Jakob Aichhorn v Nikolas Lahky | 6-1,6-2 |
| ITF Czech Republic F8 | 2017/11/01 14:25 | Nikolas Lahky v Tadeas Paroulek | 3-6,0-6 |
| ITF Turkey F35 | 2017/09/16 11:00 | Daniel Garza v Nikolas Lahky | 7-6,6-2 |
| ITF Poland F2 | 2018/05/08 08:00 | Janis Podzus v Maciej Rajski | 4-6,6-3,6-3 |
| ITF Italy F9 | 2018/04/23 13:50 | Maciej Rajski v Lukas Klein | 3-6,2-6 |
| ITF Italy F8 | 2018/04/18 12:00 | Filip Horansky v Maciej Rajski | 7-5,6-4 |
| ITF Italy F8 | 2018/04/16 16:20 | Lukas Klein v Maciej Rajski | 0-6,3-6 |
| ITF Italy F7 | 2018/04/09 16:40 | Maciej Rajski v Bruno Santanna | 2-6,7-6,3-6 |
| ITF Italy F6 | 2018/04/03 13:30 | Maciej Rajski v Luca Vanni | 3-6,6-7 |
| ITF Italy F5 | 2018/03/29 13:50 | Maciej Rajski v Martin Cuevas | 5-7,4-6 |
| ITF Italy F5 | 2018/03/28 14:05 | Maciej Rajski v Giovanni Fonio | 7-5,6-3 |