Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/05/31 10:20 | Alexandar Balj v Gorazd Srbljak | 5-7,4-6 |
| ITF M15 Kursumlijska Banja | 2023/05/23 14:00 | Kristjan Tamm v Alexandar Balj | 6-4,6-3 |
| ITF M25 Kursumlijska Banja | 2023/05/14 09:30 | Pavle Daljev v Alexandar Balj | 6-1,6-0 |
| ITF M25 Kursumlijska Banja | 2023/05/08 12:20 | Chukang Wang v Alexandar Balj | 6-4,6-4 |
| ITF M25 Kursumlijska Banja | 2023/05/07 08:00 | Alexandar Balj v Filip Cebic | 6-4,6-4 |
| ITF M25 Split | 2023/04/18 09:45 | Luka Miklavcic v Alexandar Balj | 1-6,6-0,10-6 |
| ITF M15 Antalya | 2023/04/02 07:00 | Federico Mirgone v Alexandar Balj | 7-5,6-4 |
| ITF M15 Monastir | 2022/12/04 10:00 | Alexis Canter v Alexandar Balj | 6-2,6-0 |
| UTR Pro Thessaloniki | 2023/04/28 05:00 | Christos Keisidis v Andreas Loizas | 2-5 |
| UTR Pro Thessaloniki | 2023/04/27 05:00 | Christos Keisidis v Samuel Kyjaci | 3-6,2-6 |
| UTR Pro Thessaloniki | 2023/04/26 09:43 | Ivan Kremenchutskyi v Christos Keisidis | 2-6,7-6,7-6 |
| UTR Pro Thessaloniki | 2023/04/25 06:30 | Vasile Antonescu v Christos Keisidis | 6-4,6-3 |
| UTR Pro Beograd | 2023/04/22 07:30 | Christos Keisidis v Matija Samardzic | 3-6,0-5 |
| UTR Pro Beograd | 2023/04/21 08:46 | Christos Keisidis v Petr Nesterov | 3-6,4-0 |
| UTR Pro Beograd | 2023/04/20 06:00 | Christos Keisidis v Vanja Hodzic | 6-2,6-2 |
| UTR Pro Beograd | 2023/04/19 08:05 | Radomir Tomic v Christos Keisidis | 6-0,6-2 |