Stadium: Court 3 Round: 44 Ground: Clay
| ITF M25 Poznan | 2021/08/22 08:00 | Taiyo Yamanaka v Dominique Graf | 7-6,1-6,8-10 |
| ITF M25 Prostejov | 2021/08/17 11:40 | Lucas Miedler v Dominique Graf | 6-4,6-2 |
| ITF M25 Prostejov | 2021/08/16 08:00 | Dominique Graf v Jakub Kroslak | 6-2,6-4 |
| ITF M25 Prostejov | 2021/08/15 10:00 | Dominique Graf v Roman Postolka | 6-3,5-7,10-7 |
| ITF M25 Bolzano | 2021/08/03 12:15 | Riccardo Balzerani v Dominique Graf | 6-3,6-4 |
| ITF M25 Bolzano | 2021/08/02 14:25 | Horst Rieder v Dominique Graf | 6-7,3-6 |
| ITF M25 Bolzano | 2021/08/01 07:25 | Tobias Kirchlechner v Dominique Graf | 1-6,1-6 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Dominique Graf v Lukas Palovic | 1-6,4-6 |
| 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 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/04 15:00 | Svyatoslav Ilnytskyy v Maks Kasnikowski | 2-6,3-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 14:25 | Svyatoslav Ilnytskyy v Tomas Lanik | 6-3,6-0 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 08:00 | Adam Bronka v Svyatoslav Ilnytskyy | 5-7,0-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 11:30 | Dario Drebenstedt v Svyatoslav Ilnytskyy | 5-7,4-6 |