Stadium: Clay 5 Round: 26 Ground: Clay
| ITF Turkey F29 | 2018/09/26 08:40 | Cengiz Aksu v Walder, Jordi | 6-7,4-6 |
| ITF Turkey F29 | 2018/09/24 09:00 | Schroll, Philipp v Walder, Jordi | 3-6,2-6 |
| ITF Turkey F29 | 2018/09/23 07:30 | van Nieuwenhove, Jonathan v Walder, Jordi | 0-6,1-6 |
| ITF Turkey F29 | 2018/09/22 07:00 | Walder, Jordi v Schwencke Lindqvist, Thomas | 6-2,6-1 |
| ITF Turkey F28 | 2018/09/20 09:10 | Walder, Jordi v Perchicot, Mathieu | 4-6,2-6 |
| ITF Turkey F28 | 2018/09/18 09:10 | Walder, Jordi v Khaledan, Shahin | 6-4,6-2 |
| 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 Turkey F29 | 2018/09/25 07:30 | Mert Naci Turker v Katic, Dejan | 3-6,4-6 |
| ITF Turkey F28 | 2018/09/18 07:30 | Brechemier, Thomas v Katic, Dejan | 2-6,6-7 |
| Serbia F5, Singles | 2018/09/09 10:00 | Katic, Dejan v Butsch, Justin | 6-4,7-5 |
| Serbia F5, Singles | 2018/09/08 11:00 | Denis Klok v Katic, Dejan | 3-6,6-3,1-6 |
| Serbia F5, Singles | 2018/09/07 09:15 | Katic, Dejan v Daljev, Pavle | 7-6,6-3 |
| Serbia F5, Singles | 2018/09/06 10:50 | Katic, Dejan v Gatev, Maximilian | 6-3,6-1 |
| Serbia F5, Singles | 2018/09/04 08:00 | Katic, Dejan v Liska, Tomas | 7-6,6-1 |
| ITF Serbia F4 | 2018/08/30 11:35 | Duje Ajdukovic v Katic, Dejan | 6-3,7-6 |