Stadium: Clay 3 Round: 44 Ground: Hardcourt outdoor
| ITF Bulgaria F1 | 2018/05/13 07:00 | Ruslan Khunarikov v Cosmin Ontica | 3-6,6-7 |
| ITF Bulgaria F1 | 2018/05/12 07:00 | Valentin Ivanov v Ruslan Khunarikov | 2-6,2-6 |
| ITF Turkey F17 | 2018/05/01 13:25 | Ruslan Khunarikov v Riccardo Bonadio | 1-6,2-6 |
| ITF Turkey F17 | 2018/04/29 07:30 | Andres Haefele v Ruslan Khunarikov | 2-6,3-6 |
| ITF Turkey F17 | 2018/04/28 07:30 | Ruslan Khunarikov v Leonid Mazo | 6-7,7-6,6-3 |
| ITF Turkey F16 | 2018/04/21 07:30 | Ruslan Khunarikov v Santiago Besada | 6-7,5-7 |
| ITF Croatia F3 | 2018/03/18 08:30 | Gabriel Huber v Ruslan Khunarikov | 7-5,6-4 |
| ITF Croatia F2 | 2018/03/12 13:00 | Antun Vidak v Ruslan Khunarikov | 6-1,6-3 |
| ITF Kuwait F3 | 2018/11/11 07:00 | Stefan Micov v Karlo Cubelic | 2-6,6-3,6-2 |
| ITF Kuwait F3 | 2018/11/10 09:15 | Philipp Sikorski v Karlo Cubelic | 2-6,1-6 |
| ITF Kuwait F2 | 2018/11/06 07:30 | Alec Adamson v Karlo Cubelic | 6-1,6-3 |
| ITF Kuwait F2 | 2018/11/04 08:20 | Karlo Cubelic v Shunsuke Wakita | 6-3,2-6,6-3 |
| ITF Germany F16 | 2018/10/22 10:00 | Johann Willems v Karlo Cubelic | 6-3,6-4 |
| ITF Germany F16 | 2018/10/21 10:30 | Karlo Cubelic v Jordi Walder | 6-4,3-6,7-6 |
| ITF Germany F16 | 2018/10/21 08:00 | Nenad Vladusic v Karlo Cubelic | 2-6,5-7 |
| ITF Germany F15 | 2018/10/11 15:25 | Stefan Seifert v Karlo Cubelic | 6-4,6-7,6-2 |