Stadium: Court 10 Round: 62 Ground: Clay
| ITF Serbia F4 | 2018/08/25 10:00 | Marko Pavlovic v Luka Markovic | 2-6,0-6 |
| ITF Serbia F3 | 2018/08/19 08:00 | Luka Markovic v Petar Pjevcevic | 1-6,6-3,4-6 |
| ITF Serbia F3 | 2018/08/18 07:00 | Nino Portales v Luka Markovic | 4-6,3-6 |
| ITF Hungary F5 Qual | 2018/06/17 10:30 | Matvey Khomentovskiy v Luka Markovic | 6-0,6-0 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/14 09:05 | Luka Markovic v Stefan Micov | 2-6,0-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/12 11:30 | Pavle Daljev v Luka Markovic | 6-7,6-2,6-7 |
| ITF Serbia F4 | 2018/08/25 11:00 | Kaiwei Wang v Klim Ivanov | 4-6,4-6 |
| ITF Serbia F3 | 2018/08/18 09:30 | Thomas Bosancic v Klim Ivanov | 6-4,6-3 |
| ITF Serbia F2 | 2018/08/11 09:30 | Klim Ivanov v Pavle Daljev | 1-6,2-6 |
| ITF Serbia F1 Qual | 2018/08/05 08:00 | Marko Novak v Klim Ivanov | 6-1,6-1 |
| ITF Ukraine F1 | 2018/05/05 07:00 | Aleksandr Braynin v Klim Ivanov | 6-0,6-0 |
| ITF Egypt F12 | 2018/03/31 10:30 | Francesco Denicoloi v Klim Ivanov | 6-1,6-3 |
| ITF Egypt F11 | 2018/03/24 12:30 | Alessandro Coppini v Klim Ivanov | 6-1,6-0 |
| ITF Egypt F10 | 2018/03/17 10:00 | Hady Habib v Klim Ivanov | 6-0,6-0 |