Stadium: Clay 5 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F28 | 2018/09/16 07:30 | Prechtel, Sebastian v Walder, Jordi | 3-6,3-6 |
| ITF Romania F13 | 2018/09/09 10:00 | Walder, Jordi v Ramazzoti, Samuele | 0-6,2-6 |
| ITF Germany F13 | 2018/08/22 08:00 | Peter Heller v Walder, Jordi | 7-6,6-3 |
| ITF Germany F13 | 2018/08/20 09:00 | Kai Lemstra v Walder, Jordi | 3-6,6-1,3-6 |
| ITF Germany F13 | 2018/08/19 08:00 | Walder, Jim v Walder, Jordi | 0-6,6-2,1-6 |
| ITF Germany F5 | 2018/06/24 15:00 | Karlo Cubelic v Walder, Jordi | 7-5,3-6,6-2 |
| ITF Germany F4 | 2018/06/17 12:00 | Krohn, Linus v Walder, Jordi | 6-3,6-4 |
| ITF Germany F4 | 2018/06/16 08:00 | Kapric, Denis v Walder, Jordi | 7-6,5-7,4-6 |
| Serbia F5, Singles | 2018/09/08 09:00 | Butsch, Justin v Khaledan, Shahin | 7-5,6-0 |
| Serbia F5, Singles | 2018/09/07 09:50 | Khaledan, Shahin v Shendrit Deari | 6-1,6-4 |
| Serbia F5, Singles | 2018/09/06 12:20 | Khaledan, Shahin v Bosancic, Thomas | 6-1,6-4 |
| Serbia F5, Singles | 2018/09/05 11:50 | Khaledan, Shahin v Horton, Nicholas | 6-1,6-3 |
| ITF Serbia F4 | 2018/08/30 10:55 | Khaledan, Shahin v Gorazd Srbljak | 6-3,2-6,1-6 |
| ITF Serbia F4 | 2018/08/29 10:10 | Kekez, Duje v Khaledan, Shahin | 2-6,3-6 |
| ITF Georgia F2 | 2018/07/22 11:30 | Dubrivnyy, Artem v Khaledan, Shahin | 6-2,2-6,6-2 |
| ITF Georgia F2 | 2018/07/21 10:05 | Koray Kirci v Khaledan, Shahin | 4-6,6-4,3-6 |