Stadion: Court 3 Round: 54 Ground: Clay
| ITF - M15 - Orange Park | 2023/05/01 14:00 | Lazar Markovic v Ryan Haviland | 6-7,3-6 |
| ITF - M15 - Tacarigua | 2023/04/24 18:00 | Leo Vithoontien v Lazar Markovic | 6-1,6-1 |
| ITF - M15 - Tacarigua | 2023/04/23 20:30 | Maxwell Weishan v Lazar Markovic | 3-6,1-6 |
| ITF - M15 - Sharm El Sheikh | 2023/03/26 08:00 | Lazar Markovic v Karim Ibrahim | 5-7,5-7 |
| ITF - M25 - Palmanova | 2023/03/20 14:00 | Lazar Markovic v Peetu Pohjola | 6-7,1-6 |
| ITF - M25 - Palmanova | 2023/03/12 12:00 | Lazar Markovic v Marcel Politowicz | 5-7,2-6 |
| ITF - M15 - Jakarta - Qualifikation | 2023/01/22 02:30 | Sam Ryan Ziegann v Lazar Markovic | 6-1,6-4 |
| ITF - M15 - Jakarta | 2023/01/15 05:20 | Ega Uneputty v Lazar Markovic | 6-4,1-6,10-3 |
| ITF - M15 - Monastir | 2023/03/26 08:30 | Zhan Zheng v Alexey Dubinin | 6-2,6-0 |
| ITF - M15 - Kish Island | 2023/03/14 08:00 | Samyar Elyasi v Alexey Dubinin | 6-1,5-7,10-7 |
| ITF - M15 - Kish Island | 2023/03/12 14:00 | Matteo Meneghetti v Alexey Dubinin | 6-0,4-6,7-10 |
| ITF - M15 - Kish Island | 2023/03/05 10:00 | Moein Moazam v Alexey Dubinin | 6-1,2-6,10-4 |
| ITF - M15 - Monastir | 2023/02/19 11:30 | Federico Marchetti v Alexey Dubinin | 6-2,6-1 |
| ITF - M25 - Monastir | 2023/02/12 10:30 | Vito Dell'Elba v Alexey Dubinin | 6-4,6-2 |
| ITF - M25 - Monastir | 2023/02/05 08:30 | Alexey Dubinin v Xin Gao | 2-6,3-6 |
| ITF - M25 - Monastir | 2023/01/30 10:40 | Alexey Dubinin v Timofey Stepanov | 3-6,2-6 |