Stadium: Hard Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2019/05/20 07:00 | Gabriel Donev v Caripi, Vasilios | 6-1,6-0 |
| ITF - M15 Héraklion | 2019/05/16 10:05 | Marek Jaloviec v Gabriel Donev | 6-3,6-2 |
| ITF - M15 Héraklion | 2019/05/15 11:55 | Murphy, Brandon v Gabriel Donev | 3-6,3-6 |
| ITF M15 Sozopol | 2019/05/08 08:00 | Gabriel Donev v Boris Pokotilov | 5-7,6-4,6-4 |
| ITF - M15 Sunrise | 2019/04/08 15:00 | Knight, Alexander v Gabriel Donev | 6-4,6-3 |
| ITF M15 Cancun | 2019/03/27 16:30 | Gabriel Donev v Watson, Andrew | 0-6,2-6 |
| ITF M15 Cancun | 2019/03/25 19:00 | Botezan, George v Gabriel Donev | 2-6,2-6 |
| ITF M15 Cancun | 2019/03/25 17:00 | Gonzalez, Wilfredo v Gabriel Donev | 2-6,6-3,8-10 |
| ITF - M15 Héraklion | 2019/05/20 07:00 | Keisidis, Christos v Thiem, Moritz | 2-6,3-6 |
| ITF - M15 Héraklion | 2019/05/15 07:00 | Jonas Trinker v Thiem, Moritz | 6-4,6-1 |
| ITF - M15 Héraklion | 2019/05/14 07:00 | Thiem, Moritz v Hoeveler, Leon | 7-5,6-2 |
| ITF - M15 Héraklion | 2019/05/13 07:00 | Thiem, Moritz v Meehan, Harry David | 6-2,7-6 |
| ITF - M15 Antalya | 2019/05/01 07:15 | Thiem, Moritz v Georgii Kravchenko | 4-6,0-6 |
| ITF - M15 Antalya | 2019/04/30 07:15 | Thiem, Moritz v Khomich, Aleksei | 6-3,6-3 |
| ITF - M15 Antalya | 2019/04/29 06:45 | Thiem, Moritz v Bilgin, Burak | 6-1,6-1 |
| ITF - M15 Antalya | 2019/04/24 10:40 | Thiem, Moritz v Jesper De Jong | 5-7,2-6 |