Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Bad Waltersdorf | 2021/08/30 09:00 | Edward Hubner v Matic Dimic | 3-6,3-6 |
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | Edward Hubner v Lorenzo Rottoli | 6-4,1-6,4-10 |
| ITF M25 Most | 2021/05/25 10:15 | Kai Lemstra v Edward Hubner | 6-1,6-1 |
| ITF M25 Most | 2021/05/24 09:00 | Niklas Waldner v Edward Hubner | 4-6,3-6 |
| ITF M25 Most | 2021/05/23 14:00 | Martin Benes v Edward Hubner | 4-6,4-6 |
| ITF M15 Antalya | 2021/04/11 07:00 | Daniil Gusev v Edward Hubner | 4-6,7-6,5-10 |
| ITF M15 Antalya | 2021/04/06 07:00 | Michel Vernier v Edward Hubner | 5-7,6-0,12-10 |
| ITF M15 Antalya | 2021/04/05 07:00 | Edward Hubner v Taiyo Yamanaka | 6-7,6-2,10-5 |
| ITF M15 Vyshkovo | 2021/09/20 07:00 | Federico Campana v Svyatoslav Ilnytskyy | 6-1,6-1 |
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Jasza Szajrych v Svyatoslav Ilnytskyy | 4-6,4-6 |
| ITF M15 Chornomorsk | 2021/08/30 07:00 | Artem Podorozhnyi v Svyatoslav Ilnytskyy | 6-3,6-4 |
| ITF M25 Poznan | 2021/08/24 08:00 | Dominique Graf v Svyatoslav Ilnytskyy | 6-4,2-6,10-6 |
| ITF M25 Poznan | 2021/08/22 08:00 | Svyatoslav Ilnytskyy v Matteo Meneghetti | 6-2,6-3 |
| ITF M15 Lodz | 2021/08/15 08:00 | Svyatoslav Ilnytskyy v Mikolaj Borkowski | 4-6,6-3,5-10 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Svyatoslav Ilnytskyy v Antonin Bolardt | 4-6,5-7 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Svyatoslav Ilnytskyy v Bartlomiej Andrzejczak | 6-2,6-0 |