Stadium: Court 1 Round: 62 Ground: Clay
| ITF M25 Zlatibor | 2023/09/27 07:00 | Zekai Li v Drazen Petrovic | 6-3,3-6,3-10 |
| ITF M25 Zlatibor | 2023/09/26 09:30 | Drazen Petrovic v Marko Maric | 7-6,6-2 |
| ITF M15 Kursumlijska Banja | 2023/09/17 10:30 | Drazen Petrovic v Aleksandar Mihailovic | 3-6,7-5,11-13 |
| ITF M15 Kursumlijska Banja | 2023/09/11 07:00 | Drazen Petrovic v Francesco Ferrari | 2-6,7-6,7-10 |
| ITF M15 Kursumlijska Banja | 2023/09/10 07:00 | Drazen Petrovic v Boris Stojanovic | 6-3,6-2 |
| ITF M15 Pirot | 2023/09/04 07:30 | Drazen Petrovic v Francesco Ferrari | 2-6,4-6 |
| ITF M15 Kursumlijska Banja | 2023/08/28 09:30 | Nicolo Pozzani v Drazen Petrovic | 6-4,6-4 |
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | Dominique Graf v Drazen Petrovic | 6-3,6-7,10-5 |
| ITF M25 Zlatibor | 2023/09/27 11:00 | Aleksandar Ljubojevic v Hernando J E Isnardi | 6-4,1-6,8-10 |
| ITF M15 Kursumlijska Banja | 2023/09/20 07:00 | Hernando J E Isnardi v Erik Arutiunian | 2-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/09/19 09:10 | Hernando J E Isnardi v Yuquan Jin | 1-6,6-3,10-5 |
| ITF M15 Kursumlijska Banja | 2023/09/18 09:30 | Hernando J E Isnardi v Jerko Brkic | 6-3,6-4 |
| ITF M15 Kursumlijska Banja | 2023/09/12 07:00 | Hernando J E Isnardi v Aleksei Khomich | 6-1,2-6,12-14 |
| ITF M15 Kursumlijska Banja | 2023/09/11 09:30 | Hernando J E Isnardi v Nikola Mitrovic | 6-2,6-4 |
| UTR Pro Sofia | 2023/09/09 08:52 | Hernando J E Isnardi v Gabriel Donev | 2-6,3-6 |
| UTR Pro Sofia | 2023/09/08 06:30 | Ioannis Xilas v Hernando J E Isnardi | 2-6,2-6 |