Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2023/07/31 07:00 | Daniil Ostapenkov v Leon Formella | 6-1,6-2 |
| ITF M15 Novi Sad | 2023/07/23 07:00 | Daniil Ostapenkov v Dusan Milanovic | 3-6,2-6 |
| ITF M15 Tianjin | 2023/07/08 01:30 | Zhe Li v Daniil Ostapenkov | 6-3,6-4 |
| ITF M15 Tianjin | 2023/07/07 01:30 | Daniil Ostapenkov v Chukang Wang | 6-7,6-4,6-4 |
| ITF M15 Tianjin | 2023/07/06 01:30 | Aliaksandr Liaonenka v Daniil Ostapenkov | 1-6,2-6 |
| ITF M15 Tianjin | 2023/07/04 07:35 | Ye Cong Mo v Daniil Ostapenkov | 2-6,4-6 |
| ITF M15 Tbilisi | 2023/05/02 08:20 | Blake Ellis v Daniil Ostapenkov | 6-4,7-6 |
| ITF M25 Tbilisi | 2023/05/01 06:00 | Daniil Ostapenkov v Berk Ilkel | 7-5,6-7,10-3 |
| ITF M15 Novi Sad | 2023/07/31 07:00 | Dusan Milanovic v Samuel Puskar | 6-4,6-7,9-11 |
| ITF M15 Novi Sad | 2023/07/24 14:10 | Bautista Vilicich v Samuel Puskar | 5-7,6-1,10-8 |
| ITF M15 Novi Sad | 2023/07/23 13:00 | Tilen Kovac v Samuel Puskar | 0-6,2-6 |
| ITF M25 Telfs | 2023/07/17 07:00 | Samuel Puskar v Edoardo Cherie Ligniere | 5-7,2-6 |
| ITF M25 Telfs | 2023/07/16 09:00 | Samuel Puskar v Erwin Troebinger | 6-7,6-0,10-8 |
| ITF M15 Sarajevo | 2023/06/07 08:50 | Samuel Puskar v Nikola Basic | 5-7,6-3,3-6 |
| ITF M15 Sarajevo | 2023/06/05 11:00 | Dzenan Bakovic v Samuel Puskar | 2-6,0-6 |
| ITF M25 Kiseljak | 2023/06/01 08:55 | Samuel Puskar v Gonzalo Villanueva | 3-6,4-6 |