| ITF M15 Budva | 2022/06/07 12:00 | Lazar Vojinovic v Gabriel Donev | 0-6,6-3,3-6 |
| ITF M25 Pazardzhik | 2023/10/06 07:00 | Damien Wenger v Gabriel Donev | 5-7,6-4,7-6 |
| ITF M25 Pazardzhik | 2023/10/05 08:50 | Gabriel Donev v Sebastian Gima | 6-3,6-1 |
| ITF M25 Pazardzhik | 2023/10/03 09:50 | Denis Klok v Gabriel Donev | 0-6,0-6 |
| ITF M25 Pazardzhik | 2023/09/27 11:10 | Gabriel Donev v Clement Tabur | 2-6,6-3,1-6 |
| ITF M15 Kursumlijska Banja | 2023/09/21 09:25 | Andrey Chepelev v Gabriel Donev | 6-4,7-6 |
| ITF M15 Kursumlijska Banja | 2023/09/20 11:35 | Gabriel Donev v Dusan Obradovic | 7-5,6-2 |
| UTR Pro Sofia | 2023/09/10 07:00 | Petr Nesterov v Gabriel Donev | 7-6,3-0 |
| UTR Pro Sofia | 2023/09/09 08:52 | Hernando J E Isnardi v Gabriel Donev | 2-6,3-6 |
| ITF M15 Antalya | 2023/11/06 07:35 | Valerio Perruzza v Lazar Vojinovic | 6-3,6-0 |
| ITF M15 Antalya | 2023/11/05 07:00 | Suleyman Deniz Gursoy v Lazar Vojinovic | 3-6,1-6 |
| UTR Pro Beograd | 2023/10/08 08:04 | Lazar Vojinovic v Tadija Radovanovic | 6-4,6-3 |
| UTR Pro Beograd | 2023/10/07 09:35 | Drazen Petrovic v Lazar Vojinovic | 2-6,2-6 |
| UTR Pro Beograd | 2023/10/06 10:11 | Lazar Vojinovic v Egor Khotchenkov | 6-1,6-4 |
| UTR Pro Beograd | 2023/10/04 09:25 | Lazar Vojinovic v Sasa Markovic | 3-6,4-6 |
| UTR Pro Beograd | 2023/10/03 12:18 | Lazar Vojinovic v Aleksandar Mihailovic | 6-3,6-3 |
| UTR Pro Beograd | 2023/10/02 10:11 | Lazar Vojinovic v Yuquan Jin | 7-5,0-6,3-6 |