Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Oldenzaal | 2021/08/17 10:15 | Dominik Boehler v Oscar Moraing | 4-6,1-6 |
| ITF M15 Oldenzaal | 2021/08/16 10:00 | Dominik Boehler v Louis Allen | 6-1,6-1 |
| ITF M25 Frankfurt am Main | 2021/08/10 10:20 | Dominik Boehler v Benito Sanchez Martinez | 4-6,6-7 |
| ITF M25 Frankfurt am Main | 2021/08/09 14:10 | Dominik Boehler v Julian Worn | 6-2,6-3 |
| ITF M15 Frederiksberg | 2021/08/04 07:50 | Dominik Boehler v August Holmgren | 4-6,6-7 |
| ITF M15 Troisdorf | 2021/05/11 10:00 | Dominik Boehler v Oscar Moraing | 1-6,4-6 |
| ITF M15 Troisdorf | 2021/05/10 12:30 | Dominik Boehler v Paulo Knippling | 6-0,6-2 |
| ITF M15 Troisdorf | 2021/05/09 10:00 | Dominik Boehler v Hasan Ibrahim | 6-3,6-3 |
| ITF M25 Koksijde | 2021/08/18 11:05 | Martin Katz v Aidan Mchugh | 2-6,6-7 |