Stadium: Court 1 Round: 25 Ground: Clay
| ITF - M15 Kursumlijska Banja | 2023/08/30 11:35 | Petr Bar Biryukov v Nicolo Pozzani | 4-6,3-6 |
| ITF - M15 Belgrade | 2023/06/25 07:00 | Petr Bar Biryukov v Maxence Rivet | 6-4,3-6,5-10 |
| ITF - M15 Kursumlijska Banja | 2023/06/19 08:55 | Petr Bar Biryukov v Louis Tessa | 2-6,2-6 |
| ITF - M15 Kursumlijska Banja | 2023/06/18 11:00 | Petr Bar Biryukov v Darko Kolevski | 6-1,6-1 |
| ITF - M15 Kursumlijska Banja | 2023/06/17 17:15 | Viktor Jovic v Petr Bar Biryukov | 3-6,7-5,6-4 |
| ITF - M15 Kursumlijska Banja | 2023/06/17 12:00 | Petr Bar Biryukov v Rrezart Cungu | 7-6,7-6 |
| ITF - M15 Kursumlijska Banja | 2023/06/13 15:40 | William Grant v Petr Bar Biryukov | 6-7,6-7 |
| ITF - M25 Kursumlijska Banja | 2023/06/06 08:55 | Petr Bar Biryukov v Simone Agostini | 6-3,6-4 |
| ITF - M15 Kursumlijska Banja | 2023/09/03 10:50 | Dusan Obradovic v Luka Pavlovic | 2-6,2-6 |
| ITF - M15 Kursumlijska Banja | 2023/09/02 08:00 | Dusan Obradovic v Giannicola Misasi | 6-1,6-1 |
| ITF - M15 Kursumlijska Banja | 2023/09/01 10:00 | Emile Hudd v Dusan Obradovic | 4-6,5-7 |
| ITF - M15 Kursumlijska Banja | 2023/08/31 11:20 | Ioannis Kountourakis v Dusan Obradovic | 4-6,6-7 |
| ITF - M15 Kursumlijska Banja | 2023/08/30 14:45 | Mihail Ivanov v Dusan Obradovic | 2-6,3-6 |
| ITF - M25 Osijek | 2023/08/11 10:40 | Luka Mikrut v Dusan Obradovic | 7-6,6-3 |
| ITF - M25 Osijek | 2023/08/10 13:10 | Dusan Obradovic v Luca Giacomini | 6-2,7-6 |
| ITF - M25 Osijek | 2023/08/08 11:15 | Dusan Obradovic v Josip Simundza | 6-3,6-4 |