| ITF Germany F5 | 2018/06/25 08:00 | Gabriel Donev v Karlo Cubelic | 6-2,6-2 |
| UTR Pro Tennis Series Dubai | 2022/12/02 05:00 | Gabriel Donev v Tomislav Jotovski | 6-0,6-3 |
| UTR Pro Tennis Series Dubai | 2022/11/30 06:30 | Gabriel Donev v Simon Roberts | 4-6,6-2,6-3 |
| UTR Pro Tennis Series Dubai | 2022/11/29 05:00 | Gabriel Donev v Bogdan Bobrov | 2-6,6-2,5-7 |
| UTR Pro Tennis Series Dubai | 2022/11/28 08:00 | Ivan Denisov v Gabriel Donev | 2-6,3-6 |
| ITF M15 Sozopol | 2022/10/20 11:25 | Gabriel Donev v Maks Kasnikowski | 0-6,6-7 |
| ITF M15 Sozopol | 2022/10/19 07:00 | Gabriel Donev v Gabriel Matuszewski | 6-0,6-0 |
| ITF M15 Sozopol | 2022/10/13 07:00 | Maks Kasnikowski v Gabriel Donev | 6-4,6-4 |
| ITF M15 Sozopol | 2022/10/11 07:00 | Gabriel Donev v Petr Nesterov | 6-3,7-6 |
| UTR Pro Tennis Series Dubai | 2022/12/02 05:00 | Novak Novakovic v Karlo Cubelic | 4-6,4-6 |
| UTR Pro Tennis Series Dubai | 2022/12/01 06:30 | Maxime Hamou v Karlo Cubelic | 3-6,7-5,6-1 |
| UTR Pro Tennis Series Dubai | 2022/11/29 05:00 | Besir Durguti v Karlo Cubelic | 2-6,0-0 |
| UTR Pro Tennis Series Dubai | 2022/11/28 08:00 | Karlo Cubelic v Andres Gabriel Ciurletti | 4-6,6-4,6-3 |
| UTR Pro Tennis Series Blaricum | 2022/11/19 11:21 | Karlo Cubelic v Jarno Jans | 6-7,3-6 |
| UTR Pro Tennis Series Blaricum | 2022/11/18 07:00 | Karlo Cubelic v Aloys J W Van Baal | 6-2,3-2 |
| UTR Pro Tennis Series Blaricum | 2022/11/17 10:00 | Karlo Cubelic v Jesse Timmermans | 6-1,6-2 |
| UTR Pro Tennis Series Blaricum | 2022/11/16 07:00 | Christian Hansen v Karlo Cubelic | 4-6,6-7 |