| UTR Pro - Belgrado | 2023/10/10 06:00 | Stefan Popovic v Domagoj Biljesko | 6-0,6-4 |
| UTR Pro - Belgrado | 2023/10/09 12:08 | Stefan Popovic v Tadija Radovanovic | 6-3,7-5 |
| UTR Pro - Belgrado | 2023/10/05 10:02 | Ilya Snitari v Stefan Popovic | 7-6,6-4 |
| UTR Pro - Belgrado | 2023/10/04 13:56 | Stefan Popovic v Egor Khotchenkov | 6-1,6-0 |
| UTR Pro - Belgrado | 2023/10/03 08:20 | Stefan Popovic v Strahinja Rakic | 6-3,6-0 |
| UTR Pro - Belgrado | 2023/10/02 06:00 | Stefan Popovic v Aleksa Pisaric | 6-4,5-4 |
| ITF - M25 Zlatibor | 2023/09/28 07:30 | Stefan Popovic v Matej Dodig | 4-6,3-6 |
| ITF - M15 Kuršumlijska Banja | 2023/09/23 09:40 | Stefan Popovic v Andrej Nedic | 5-7,6-4,4-6 |
| UTR Pro - Belgrado | 2023/10/10 12:40 | Tadija Radovanovic v Christos Keisidis | 4-6,3-6 |
| UTR Pro - Belgrado | 2023/10/08 09:00 | Christos Keisidis v Domagoj Biljesko | 4-6,0-6 |
| UTR Pro - Belgrado | 2023/10/04 08:44 | Christos Keisidis v Ilya Snitari | 2-6,0-6 |
| UTR Pro - Belgrado | 2023/10/03 07:30 | Christos Keisidis v Drazen Petrovic | 2-6,5-7 |
| UTR Pro - Belgrado | 2023/10/02 06:00 | Christos Keisidis v Zoran Ludoski | 4-6,6-7 |
| UTR Pro - Olomouc | 2023/09/17 07:30 | Mikolaj Lis v Christos Keisidis | 1-6,3-6 |
| UTR Pro - Olomouc | 2023/09/16 10:52 | Christos Keisidis v Jakub Novak | 6-4,7-6 |
| UTR Pro - Olomouc | 2023/09/15 06:00 | Christos Keisidis v Oleg Prihodko | 1-6,1-6 |