Stadium: COURT VIKTOR TROICKI Round: 29 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/09/16 08:00 | Luka Pavlovic v Svyatoslav Gulin | 1-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/09/15 07:55 | Stefan Popovic v Svyatoslav Gulin | 5-7,4-6 |
| ITF M15 Kursumlijska Banja | 2023/09/14 10:15 | Gorazd Srbljak v Svyatoslav Gulin | 3-6,4-6 |
| ITF M15 Kursumlijska Banja | 2023/09/12 11:45 | Sergei Pogosian v Svyatoslav Gulin | 1-6,4-6 |
| ITF M15 Haren | 2023/09/07 09:00 | Svyatoslav Gulin v Kai Lemstra | 3-6,6-7 |
| ITF M15 Haren | 2023/09/06 11:00 | Svyatoslav Gulin v Pepijn Bastiaansen | 7-5,6-4 |
| ITF M25 Santander | 2023/08/26 11:20 | Vilius Gaubas v Svyatoslav Gulin | 7-6,4-6,4-6 |
| ITF M25 Santander | 2023/08/25 09:30 | Svyatoslav Gulin v Benjamin Winter Lopez | 7-5,6-0 |
| ITF M15 Kursumlijska Banja | 2023/09/16 08:30 | Francesco Ferrari v Dusan Obradovic | 2-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/09/15 09:00 | Vlad Andrei Dancu v Dusan Obradovic | 6-3,3-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/09/14 10:20 | Dusan Obradovic v Nicolas Buitrago | 6-2,6-2 |
| ITF M15 Kursumlijska Banja | 2023/09/13 13:20 | Dusan Obradovic v Milan Drinic | 7-5,3-6,6-1 |
| ITF M15 Pirot | 2023/09/09 10:30 | Filip Cristian Jianu v Dusan Obradovic | 6-3,6-1 |
| ITF M15 Pirot | 2023/09/08 09:50 | Antonio Massara v Dusan Obradovic | 2-6,2-6 |
| ITF M15 Pirot | 2023/09/07 07:30 | Francesco Ferrari v Dusan Obradovic | 1-6,2-6 |
| ITF M15 Pirot | 2023/09/06 07:30 | Petr Bar Biryukov v Dusan Obradovic | 6-7,4-6 |