Ground: Hardcourt outdoor
| ITF M25 Poznan | 2024/08/22 11:05 | Daniil Ostapenkov v Guy Den Ouden | 2-6,5-7 |
| ITF M25 Poznan | 2024/08/21 17:10 | Kacper Szymkowiak v Daniil Ostapenkov | 1-6,6-3,1-6 |
| ITF M15 Bielsko Biala | 2024/08/14 10:10 | Olaf Pieczkowski v Daniil Ostapenkov | 6-2,6-4 |
| ITF M15 Antalya | 2024/05/15 08:35 | Daniil Ostapenkov v Marsel Ilhan | 6-7,0-6 |
| ITF M15 Antalya | 2024/05/11 10:00 | Marlon Vankan v Daniil Ostapenkov | 6-3,6-2 |
| ITF M15 Antalya | 2024/05/09 06:45 | Daniil Ostapenkov v Michael Agwi | 6-0,0-6,6-3 |
| ITF M15 Antalya | 2024/05/07 10:40 | Matteo Rozo Torres v Daniil Ostapenkov | 1-6,1-6 |
| ITF M15 Antalya | 2024/05/01 09:55 | Kuzey Cekirge v Daniil Ostapenkov | 6-3,6-4 |