Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Antalya | 2023/02/22 07:00 | Gabriel Donev v Andrey Chepelev | 7-5,4-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/09/20 09:10 | Andrey Chepelev v Zoran Ludoski | 3-6,6-1,6-1 |
| ITF M15 Kursumlijska Banja | 2023/09/14 11:20 | Andrey Chepelev v Luka Pavlovic | 2-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/09/13 09:50 | Andrey Chepelev v Viktor Jovic | 3-6,7-5,7-6 |
| Challenger Tulln | 2023/09/03 09:15 | Mats Moraing v Andrey Chepelev | 6-2,6-0 |
| ITF M15 Vienna | 2023/09/01 08:00 | Andrey Chepelev v Milos Karol | 4-6,6-4,6-7 |
| ITF M15 Vienna | 2023/08/31 08:00 | Andrey Chepelev v Giovanni Calvano | 6-7,6-2,7-5 |
| ITF M15 Vienna | 2023/08/30 12:45 | Andrey Chepelev v Stepan Mruzek | 4-6,6-1,6-3 |
| ITF M15 Caslano | 2023/08/26 09:00 | Andrey Chepelev v Andrea Picchione | 4-6,6-1,6-7 |
| 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 |
| UTR Pro Sofia | 2023/09/08 05:00 | Gabriel Donev v Milen Ianakiev | 6-3,5-2 |
| UTR Pro Sofia | 2023/09/07 06:30 | Gabriel Donev v Christos Keisidis | 6-3,6-2 |
| UTR Pro Sofia | 2023/09/06 05:00 | Janos Fekete v Gabriel Donev | 0-6,6-3,3-6 |
| UTR Pro Sofia | 2023/09/05 09:02 | Sergo Sikharulidze v Gabriel Donev | 0-6,3-6 |
| ITF M15 Kursumlijska Banja | 2023/08/30 09:05 | Gabriel Donev v Alessandro Bellifemine | 3-6,6-4,2-6 |