Stadium: Clay 7 Round: 62 Ground: Hardcourt outdoor
| ITF Netherlands F3 | 2018/07/07 07:30 | Sean Collins v Noah Prehn | 6-2,6-4 |
| ITF Germany F4 | 2018/06/16 10:30 | Patrick Mayer v Noah Prehn | 6-1,6-1 |
| ITF Turkey F22 | 2018/06/02 07:30 | Cengiz Aksu v Noah Prehn | 6-0,6-1 |
| ITF Poland F3 Qual | 2018/05/14 07:30 | Grzegorz Panfil v Noah Prehn | 6-0,6-0 |
| ITF Turkey F9 | 2018/03/03 07:00 | Noah Prehn v Vladislav Melnic | 1-6,6-3,3-6 |
| ITF Turkey F8 | 2018/02/24 09:30 | Noah Prehn v Igor Solomatin | 3-6,0-6 |
| ITF Turkey F4 | 2018/01/27 07:30 | Noah Prehn v Polat Gulcur | 6-7,6-3,5-7 |
| ITF Turkey F36 | 2017/09/23 07:00 | Rimpei Kawakami v Noah Prehn | 6-0,6-0 |
| ITF Germany F13 | 2018/08/19 08:00 | Jim Walder v Jordi Walder | 0-6,6-2,1-6 |
| ITF Turkey F14 | 2018/04/07 09:30 | Orlando Luz v Jim Walder | 6-1,6-1 |
| ITF Turkey F13 | 2018/03/31 08:30 | Jim Walder v Tomas Gerini | 2-6,1-6 |
| ITF Germany F3 Qual | 2018/01/28 18:00 | Christoph Negritu v Jim Walder | 6-3,7-6 |
| ITF Turkey F15 | 2017/04/15 07:00 | Jim Walder v Manuel Pena Lopez | 1-6,3-6 |