Estádio: Court 3 Round: 44 Ground: Clay
| 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 | Taiyo Yamanaka v Dominique Graf | 7-6,1-6,8-10 |
| ITF - M25 Prostějov | 2021/08/17 11:40 | Lucas Miedler v Dominique Graf | 6-4,6-2 |
| ITF - M25 Prostějov | 2021/08/16 08:00 | Dominique Graf v Jakub Kroslak | 6-2,6-4 |
| ITF - M25 Prostějov | 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 Poznan | 2021/08/24 08:00 | Marcel Politowicz v Adrian Oetzbach | 3-6,2-6 |
| ITF - M15 Oldenzaal | 2021/08/16 10:00 | Adrian Oetzbach v Karlo Cubelic | 5-7,7-5,3-10 |
| ITF - M15 Oldenzaal | 2021/08/15 10:15 | Adrian Oetzbach v Mark Simons | 6-1,6-2 |
| ITF - M25 Frankfurt am Main | 2021/08/11 11:15 | Adrian Oetzbach v Taiyo Yamanaka | 5-7,5-7 |
| ITF - M25 Frankfurt am Main | 2021/08/10 08:25 | Lenny Hampel v Adrian Oetzbach | 2-6,6-0,2-10 |
| ITF - M25 Frankfurt am Main | 2021/08/09 09:00 | Adrian Oetzbach v Oscar Moraing | 6-4,3-6,10-6 |
| ITF - M15 Frederiksberg | 2021/08/04 12:05 | Jonathan Mridha v Adrian Oetzbach | 6-2,6-3 |
| ITF - M15 Frederiksberg | 2021/08/02 10:20 | Adrian Oetzbach v Carl Emil Overbeck | 6-3,1-6,10-4 |