Stadium: Court 3 Round: 25 Ground: Clay
| ITF Serbia F4 Qual | 2017/08/28 08:00 | Goran Zivotic v Franjo Raspudic | 2-6,1-6 |
| ITF Serbia F4 Qual | 2017/08/27 08:00 | Darko Jandric v Goran Zivotic | 1-6,1-6 |
| ITF M15 Plovdiv | 2019/06/06 07:00 | Evgeny Tyurnev v Gabriel Donev | 6-1,3-6,6-1 |
| ITF M15 Plovdiv | 2019/06/05 07:00 | Aliaksandr Liaonenka v Gabriel Donev | 3-6,0-6 |
| ITF M15 Heraklion | 2019/05/24 07:00 | Gabriel Donev v Jonas Trinker | 1-6,1-6 |
| ITF M15 Heraklion | 2019/05/22 09:30 | Pablo Vivero Gonzalez v Gabriel Donev | 4-6,4-6 |
| ITF M15 Heraklion | 2019/05/20 11:00 | Gabriel Donev v Moritz Thiem | 0-6,6-3,10-7 |
| ITF M15 Heraklion | 2019/05/20 07:00 | Gabriel Donev v Vasilios Caripi | 6-1,6-0 |
| ITF M15 Heraklion | 2019/05/16 10:05 | Marek Jaloviec v Gabriel Donev | 6-3,6-2 |
| ITF M15 Heraklion | 2019/05/15 11:55 | Brandon Murphy v Gabriel Donev | 3-6,3-6 |