Stadium: Wisla Centrum 2 Round: 26 Ground: Clay
| ITF Poland F2 | 2018/05/07 11:00 | David Poljak v Luca Gelhardt | 4-6,2-6 |
| ITF Poland F1 | 2018/05/03 09:00 | Luca Gelhardt v Pascal Meis | 3-6,3-6 |
| ITF Poland F1 | 2018/05/01 09:45 | Maciej Smola v Luca Gelhardt | 6-4,4-6,0-6 |
| Challenger Lille Qual | 2018/03/17 17:45 | Gabor Borsos v Luca Gelhardt | 6-4,6-0 |
| ITF Greece F2 | 2018/03/05 07:30 | Luca Gelhardt v Corrado Summaria | 4-6,3-6 |
| ITF Greece F2 | 2018/03/04 08:00 | Luca Gelhardt v Michalis Sakellaridis | 6-1,7-5 |
| ITF Greece F2 | 2018/03/03 07:30 | Luca Gelhardt v Aria Harajchi | 6-3,6-3 |
| ITF Greece F1 | 2018/02/27 08:00 | Ioannis Stergiou v Luca Gelhardt | 6-3,6-4 |
| ITF Poland F2 | 2018/05/08 10:00 | Marvin Netuschil v Wojciech Marek | 6-2,6-4 |
| ITF Turkey F13 | 2018/04/04 08:30 | Marvin Netuschil v Felipe Meligeni Rodrigues Alves | 6-3,1-6,6-7 |
| ITF Turkey F12 | 2018/03/28 08:40 | Marvin Netuschil v Oscar Jose Gutierrez | 4-6,0-6 |
| ITF Turkey F10 | 2018/03/16 07:30 | Dennis Novak v Marvin Netuschil | 7-5,6-3 |
| ITF Turkey F10 | 2018/03/15 07:30 | Marvin Netuschil v Peter Torebko | 5-7,7-5,7-5 |
| ITF Turkey F10 | 2018/03/13 09:45 | Marvin Netuschil v Maciej Smola | 6-3,6-3 |
| ITF Turkey F9 | 2018/03/08 09:05 | Marvin Netuschil v Dennis Novak | 6-4,5-7,4-6 |
| ITF Turkey F9 | 2018/03/06 07:30 | Ilya Vasilyev v Marvin Netuschil | 4-6,2-6 |