Stadium: Court 21 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/12/05 06:00 | Michel Hopp v Daniil Gusev | 7-5,6-3 |
| ITF M15 Antalya | 2021/11/29 14:15 | Daniil Gusev v Richard Zusman | 2-6,1-6 |
| ITF M15 Antalya | 2021/11/29 08:00 | Matija Zugic v Daniil Gusev | 2-6,6-2,4-10 |
| ITF M15 Kazan | 2021/11/23 10:30 | Alexander Zgirovsky v Daniil Gusev | 6-1,6-1 |
| ITF M15 Kazan | 2021/11/22 08:10 | Victor Nasyrov v Daniil Gusev | 2-6,1-6 |
| ITF M15 Antalya | 2021/10/25 07:00 | Sebastian Gima v Daniil Gusev | 6-1,6-0 |
| ITF M15 Antalya | 2021/10/24 07:00 | Zac Osborne v Daniil Gusev | 4-6,4-6 |
| ITF M15 Antalya | 2021/10/18 07:00 | Daniil Gusev v Antonin Bolardt | 0-6,0-6 |
| ITF M15 Antalya | 2021/12/07 08:30 | Svyatoslav Ilnytskyy v Obrad Markovski | 6-7,2-6 |
| ITF M15 Antalya | 2021/12/05 06:00 | Maksim Maslov v Svyatoslav Ilnytskyy | 0-6,0-6 |
| ITF M25 Prague | 2021/10/03 13:00 | Boris Fassbender v Svyatoslav Ilnytskyy | 7-5,6-4 |
| ITF M25 Budapest | 2021/09/29 10:30 | Svyatoslav Ilnytskyy v Peter Fajta | 2-6,0-6 |
| ITF M25 Budapest | 2021/09/27 12:10 | Edward Hubner v Svyatoslav Ilnytskyy | 5-7,4-6 |
| 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 |