Stadium: Court 3 Round: 54 Ground: Clay
| ITF M15 Forbach | 2021/10/01 10:00 | Boris Fassbender v Luke Johnson | 3-6,5-7 |
| ITF M15 Forbach | 2021/09/30 16:20 | Boris Fassbender v Marlon Vankan | 6-2,6-4 |
| ITF M15 Forbach | 2021/09/29 15:35 | Gauthier Onclin v Boris Fassbender | 4-6,4-6 |
| ITF M25 Angers | 2021/04/18 11:00 | Simon Reveniau v Boris Fassbender | 6-4,4-6,10-6 |
| ITF M15 Poitiers | 2021/03/14 13:20 | Hugo Voljacques v Boris Fassbender | 7-6,7-5 |
| ITF M15 Grenoble | 2021/02/07 08:30 | Pierre Delage v Boris Fassbender | 6-4,6-2 |
| ITF M15 Sarreguemines | 2020/10/25 12:30 | Dominik Boehler v Boris Fassbender | 3-6,6-4,10-4 |
| ITF M15 Forbach | 2020/09/29 11:00 | Boris Fassbender v Michael Geerts | 3-6,3-6 |
| 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 |
| 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 |