Ground: Hardcourt outdoor
| ITF M15 Belgrade | 2023/06/28 12:30 | Miljan Zekic v Gabriel Donev | 6-4,6-3 |
| ITF M15 Kursumlijska Banja | 2023/06/17 17:15 | Gabriel Donev v Marat Sharipov | 3-6,4-6 |
| ITF M15 Kursumlijska Banja | 2023/06/17 12:00 | Lautaro Midon v Gabriel Donev | 0-6,5-7 |
| ITF M15 Kursumlijska Banja | 2023/06/13 15:55 | Iliyan Radulov v Gabriel Donev | 2-6,4-6 |
| ITF M15 Pazardzhik | 2023/05/25 08:30 | Simone Roncalli v Gabriel Donev | 6-1,6-1 |
| ITF M15 Pazardzhik | 2023/05/24 10:25 | Kane Bonsach Ganley v Gabriel Donev | 3-6,1-6 |
| ITF M15 Pazardzhik | 2023/05/20 07:00 | Gabriel Donev v Denis Klok | 6-7,5-7 |
| ITF M15 Pazardzhik | 2023/05/19 07:50 | Filip Cristian Jianu v Gabriel Donev | 4-6,5-7 |
| ITF M15 Wroclaw | 2023/06/28 10:15 | Kirill Kivattsev v Maciej Rajski | 4-6,6-4,6-4 |
| UTR Pro California | 2023/04/23 17:00 | Karue Sell v Maciej Rajski | 7-6,7-6 |
| UTR Pro California | 2023/04/22 18:30 | Kalman Boyd v Maciej Rajski | 2-6,0-6 |
| UTR Pro California | 2023/04/21 21:22 | Maciej Rajski v Jett Middleton | 6-1,6-3 |
| UTR Pro California | 2023/04/20 17:00 | Maciej Rajski v Rahul Sachdev | 6-1,6-1 |
| UTR Pro California | 2023/04/19 17:00 | Lucas Gomez v Maciej Rajski | 3-6,6-3,3-6 |
| UTR Pro California | 2023/04/18 17:00 | Oleksiy Arovin v Maciej Rajski | 3-6,2-5 |
| ITF M25 Calabasas | 2023/03/23 21:10 | Toby Alex Kodat v Maciej Rajski | 6-1,6-4 |