Round: 62 Ground: Hardcourt outdoor
| ITF Turkey F33 | 2018/10/24 07:00 | Nedelko, Ivan v Gabriel Donev | 7-5,1-6,6-4 |
| ITF Turkey F32 | 2018/10/20 07:00 | Gabriel Donev v Riccardo Bonadio | 4-6,6-7 |
| ITF Turkey F32 | 2018/10/18 07:00 | Gabriel Donev v Nik Razborsek | 6-4,6-4 |
| ITF Turkey F32 | 2018/10/16 07:00 | Gabriel Donev v Codescu, Razvan Marius | 6-1,6-2 |
| ITF Turkey F32 | 2018/10/15 07:00 | Gabriel Donev v Milushev, Plamen | 6-4,6-3 |
| ITF Turkey F32 | 2018/10/14 07:00 | Gabriel Donev v Vicentiu Andrei Niculescu | 2-6,6-1,6-3 |
| ITF Serbia F3 | 2018/08/24 08:00 | Yanais Laurent v Gabriel Donev | 6-4,3-6,7-5 |
| ITF Serbia F3 | 2018/08/23 09:35 | Frawley, James v Gabriel Donev | 4-6,1-6 |
| ITF Turkey F35 | 2018/11/03 09:00 | Martirosian, David v Hermans, Mats | 2-6,1-6 |
| ITF Austria F5 Qual | 2018/07/29 10:30 | Hubner, Edward v Martirosian, David | 3-6,6-3,6-0 |
| ITF Austria F4 Qual | 2018/07/21 07:30 | Torocsik, Adam v Martirosian, David | 6-4,2-6,6-4 |
| ITF Austria F3 | 2018/07/14 07:15 | Wakita, Shunsuke v Martirosian, David | 6-1,7-5 |
| ITF Croatia F3 | 2018/03/19 09:00 | Martirosian, David v Marcell Bartakovics | 2-6,2-6 |