| ITF M15 Heraklion | 2023/03/14 07:00 | Niccolo Catini v Gabriel Donev | 6-3,6-3 |
| ITF M15 Antalya | 2023/03/08 08:50 | Rrezart Cungu v Gabriel Donev | 6-3,7-5 |
| ITF M15 Antalya | 2023/03/07 08:50 | Gabriel Donev v Joao Eduardo Schiessl | 6-4,7-5 |
| ITF M15 Antalya | 2023/03/06 12:55 | Gabriel Donev v Aleksandar Mitric | 6-3,6-0 |
| ITF M15 Antalya | 2023/03/05 06:30 | Gabriel Donev v Enzo Lima | 6-4,6-1 |
| ITF M15 Antalya | 2023/03/03 08:30 | Edoardo Lavagno v Gabriel Donev | 6-2,6-3 |
| ITF M15 Antalya | 2023/03/02 06:45 | Gabriel Donev v Adolfo Daniel Vallejo | 6-2,6-3 |
| ITF M15 Antalya | 2023/03/01 07:00 | Gabriel Donev v Matthias Ujvary | 6-4,4-6,6-4 |
| ITF M25 Heraklion | 2022/11/21 08:00 | Christos Keisidis v Raz Haviv | 6-4,6-2 |
| ITF M25 Heraklion | 2022/11/20 09:00 | Thomas George Brun v Christos Keisidis | 2-6,3-6 |
| UTR Pro Tennis Series Montrouge | 2022/11/11 08:30 | Christos Keisidis v Rayane Oumaouche | 3-6,3-6 |
| UTR Pro Tennis Series Montrouge | 2022/11/10 08:30 | Yanais Laurent v Christos Keisidis | 6-4,6-3 |
| UTR Pro Tennis Series Montrouge | 2022/11/09 08:30 | Christos Keisidis v Heiner Tadault | 6-0,6-7,6-7 |
| UTR Pro Tennis Series Montrouge | 2022/11/08 11:30 | Arthur Bonnaud v Christos Keisidis | 6-2,6-1 |
| UTR Pro Tennis Series Easton | 2022/11/06 10:30 | Christos Keisidis v Sahej Maker | 5-7,4-6 |
| UTR Pro Tennis Series Easton | 2022/11/05 08:00 | Christos Keisidis v Max Benaim | 6-4,7-5 |