Stadium: Hard Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Curtea de Arges | 2020/09/17 11:05 | Duje Ajdukovic v Gabriel Donev | 7-5,7-6 |
| ITF M15 Curtea de Arges | 2020/09/16 07:00 | Gabriel Donev v Dembek, Michal | 6-3,6-1 |
| ITF M15 Curtea de Arges | 2020/09/15 08:40 | Gabriel Donev v Valentin Vanta | 6-2,6-1 |
| ITF M15 Curtea de Arges | 2020/09/14 08:30 | Gabriel Donev v Gabi Adrian Boitan | 6-2,6-0 |
| ITF - M15 Doha | 2020/03/11 15:10 | Wattanakul, Pol v Gabriel Donev | 6-1,6-2 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/09 13:45 | Gabriel Donev v Alexandar Lazarov | 7-5,2-6,5-7 |
| ITF M15 Chornomorsk | 2019/09/26 09:10 | Strelchenko, Daniil v Gabriel Donev | 3-6,2-6 |
| ITF M15 Chornomorsk | 2019/09/24 07:00 | Mladenov, Vasko v Gabriel Donev | 4-6,4-6 |
| ITF - M15 Héraklion | 2019/12/02 09:30 | Daniil Glinka v Sergis Kyratzis | 4-6,6-2,10-7 |
| ITF - M15 Héraklion | 2019/11/12 08:30 | Sergis Kyratzis v Simon, Sahar | 6-0,3-6,6-10 |
| ITF - M15 Héraklion | 2019/11/11 08:00 | Sergis Kyratzis v Jack Gibbens | 6-4,7-5 |
| ITF - M15 Héraklion | 2019/11/10 07:30 | Alexandros Skorilas v Sergis Kyratzis | 4-6,4-6 |
| ITF - M15 Héraklion | 2019/11/03 10:00 | Moroni, Filippo v Sergis Kyratzis | 6-4,6-1 |
| Jounieh, Singles Qualifying M-ITF-LBN-02A | 2019/09/29 10:15 | Lazar Vojinovic v Sergis Kyratzis | 6-1,6-7,10-7 |
| Jounieh, Singles M-ITF-LBN-02A | 2019/09/25 15:35 | Sergis Kyratzis v Goldsteiner, Peter | 1-6,7-6,1-6 |
| Jounieh, Singles M-ITF-LBN-02A | 2019/09/24 08:45 | Sergis Kyratzis v Aristotelis Thanos | 5-7,7-6,12-10 |